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The Signal-Man By Charles Dickens - The Signal-Man By Charles Dickens Dickens gives a description of the railway cutting with intricate detail and encompasses it with a cloud of gloomy and a depressive mood. He associates places and objects with certain impressions which produce this large image of negative and horrifying vibes and feelings. When the narrating character has the first acquaintance of the railway cutting and signalman's box, Dickens bombards you with adjectives and depictions of a morbid and 'depressing' atmosphere....   [tags: Charles Dickens Signal man Essays] 382 words
(1.1 pages)
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The Signal Man - The Signal Man Through out the story Dickens has created a sense of horror and suspension in his description of the setting, landscape, physical surroundings and the weather conditions. At the start of the story the signal man hears a voice shouting down to him from up above, instead of looking up in the direction he heard the voice coming from, he turned himself about and looked down the line. This seems rather odd as you would normally look to where you heard the voice. The man shouting down to him, was on a high cliff and he was steeped in the angry glow of a sunset and the signal man’s figure was foreshortened and shadowed, down in the deep trench so it was rather awkward for the man to see who he was shout to....   [tags: English Literature] 1784 words
(5.1 pages)
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The Signal Man - Charles Dickens has created this short story by building tension and climax from the start to the end. One of his many ways of building tension is through his descriptive passages and dark-toned speech of the Signal man - and occasionally the narrator. There is a very powerful opening as the Narrator shouts "Halloa. Below there!", which are key words throughout this chilling short story. The exclamation marks at once produces an alarming suspense and raises tension as the reader cannot acknowledge which character speaks....   [tags: English Literature] 1465 words
(4.2 pages)
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The Reference Signal Model - Eye movements are often made over a stationary background, which means that the retinal image contains information about eye velocity. Reference signal models therefore combine extra-retinal, retinal and vestibular information to generate a single compound signal. Since retinal motion generating extra-retinal information is somewhat contradictory, the extra-retinal signal of the classical model is replaced by a reference signal (Wertheim, 1994). Figure 2.3 presents a schematic for a simple reference signal model, which does not include vestibular information....   [tags: Medical Science] 1731 words
(4.9 pages)
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Noninvasive Vital Signal Detector - The purpose of the noninvasive vital signal detector is to detect the heart and respiration rate while displaying the information through wireless technology in your home environment. Compared to the conventional monitoring instruments such as electrocardiograms (ECGs) and apex cardiograms (ACGs), this device must be more affordable and portable while it still maintains a certain degree of accuracy as compared to the ECGs and ACGs. Electrocardiography is a noninvasive recording of the electrical impulses that originates from the sinoatrial node of the heart that is detected by electrodes placed near the heart....   [tags: Medical Science] 2548 words
(7.3 pages)
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The pulse code digitization and companding on a signal - ... RMS of the quantization noise is calculated. Then SNR is calculated as mentioned below. SNR= RMS of signal/RMS of quantization noise SNR (dB) = 10*log10 (SNR) Now plot the graph between amplitude vs SNR. In companding technique, before quantization the signal is amplified using mu law formula. At the receiver reverse mu law formula is used. Now plot the graph between SNR and amplitude. PCM & Voice Digitization The pulse code modulation is used for the sampling and quantizing of the sine wave....   [tags: Technology, Electronics] 1216 words
(3.5 pages)
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Suspense - The Signal Man - Suspense - The Signal Man The author of The Signal Man immediately creates suspense by using anonymous quotes, which gives a sense of mystery. Dickens begins by avoiding using terms that identify ownership, i.e. “When he heard a voice thus calling to him”. The 2nd person in the story is the signal man, who at this point is acting in a very peculiar manner. This produces suspicion amongst the reader and thus generates interest or suspense. Throughout the entire novel, Charles Dickens is using language that is very obviously uncomfortable, i.e....   [tags: English Literature] 623 words
(1.8 pages)
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Traffic Signal/Road Marking Detection and Processing - Traffic Signal/Road Marking Detection and Processing Humans have visual cues that they naturally use to perceive their motion through the environment. There are numerous human factors that are associated with being able to navigate a vehicle safely while adhering to signal lights, signs and other traffic road markings. There needs to be vast improvement in the way that information is presented to drivers for many reasons. One example is that the placing of the sun during a particular part of the day prohibits one from distinguishing whether a traffic light is green or red....   [tags: Driving Traffic Signals Argumentative Essays]
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1871 words
(5.3 pages)
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The Signal-Man and THE MONKEY'S PAW - The Signal-Man and THE MONKEY'S PAW How do the writers create a sense of suspense. Fictional text need to be interesting so that the reader likes it. Many writers use many different things to capture their reader’s interest. Both Charles Dickens and WW Jacobs, in the Signalman and the monkeys paw both use different ways to try and keep the interest of their reader. The Signalman and the Monkey paw, are very similar both are horror stories set in 0ne location with very few characters. Even though they seem similar, they are actually told in different styles....   [tags: English Literature] 1243 words
(3.6 pages)
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Mystery and Menace in Black Veil and Signal Man - If you are setting this submission as Premium, then please enter a short description of what the essay is trying to achieve. Word Count. Compare how Dickens creates a sense of mystery and menace in the ‘Black Veil’ and the ‘Signal Man’. Explain how he uses these theories to explore his theme. The opening of both stories are quite different. The Black Veil is written in the third person and The Signal man is written in the first person narrative. The Black Veil creates an atmosphere of cosiness and warmth which is created by the items of clothing which are worn by the doctor....   [tags: English Literature] 2169 words
(6.2 pages)
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The 25U Soldier in a Mobilized Army: Job of the Signal Support Systems Specialist - The 25U Soldier’s job title is Signal Support Systems Specialist. Some of that Soldier’s job duties may include: installing, maintaining, and troubleshooting signal support equipment, radio systems, and data distribution systems; provides technical support and training for users. A Noncommissioned Officer’s (NCO) duties may include: supervising, installing, maintaining, and troubleshooting signal support systems, radio systems, and battlefield automated systems; provides training and unit technical assistance; prepares maintenance and supply requests....   [tags: military, army, deployment] 1141 words
(3.3 pages)
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The Darkness Out There - The Signal Man - A comparetive study - The Darkness Out There - The Signal Man - A comparetive study The mood at the beginning of both stories could not contrast any more than it does. 'The Darkness Out There' has a beginning that is summery and fresh. Whereas 'The Signal Man' has a start that is very eerie and creates a sense of fear. A factor that runs all the way through the story. The effect that the beginning of 'The Darkness Out There' has is that Mrs Rutter's story hits the reader when they are not expecting it making it a lot more shocking....   [tags: English Literature] 1032 words
(2.9 pages)
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Signal, Noise, & Silence in The Crying of Lot 49 - Signal, Noise, & Silence in The Crying of Lot 49 Technology has long been recognized as a mixed blessing.Its up/downside nature was illustrated nicely in Walt Disney's Fantasia by the myth of the Sorcerer's Apprentice:not only does the "magic" of the machine produce what you desire, it often gives you much more than you can use--as Oedipa Maas, the heroine of this stark American fable, discovers on her frenetic Californian Odyssey.Information which strains to reveal Everything might well succeed only in conveying nothing, becoming practically indistinguishable from noise.But there is noise, and Noise.Many of the devices Pynchon uses to establish informational patterns in Lot 49 are metaphors for life in a mythic, fractionalized and increasingly noisy modern America....   [tags: Crying Lot 49 Essays] 3743 words
(10.7 pages)
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HOW DOES CHARLES DICKENS CREATE SUSPENSE IN THE SIGNAL MAN? - HOW DOES CHARLES DICKENS CREATE SUSPENSE IN THE SIGNAL MAN. Dickens creates suspense in 'the signal man' by keeping us interested in a number of ways. He portrays the mysterious and deadly setting, the introduction of the signal man and the impression of the narrator fully. He also describes the spooky sight of the first ghost, the unusual second appearance of a ghost and the death aboard the train. Dickens presents the setting of his story vividly. Often, he uses such personification as "angry sunset"; to show that the narrator may be angry as the sun would be blazing down in his eyes....   [tags: English Literature] 1101 words
(3.1 pages)
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Compare the signal man by Charles Dickens and if she bends, she - Compare the signal man by Charles Dickens and if she bends, she breaks by John Gordon Introduction ============ In my essay I intend to compare the similarities and differences of many aspects of 2 short stories. "The signal man" a pre 20th century story by Charles Dickens and "If she bends she breaks" a post 20th century story. By John Gordon. They are naturally different because of their age. The signal man is pre20th century and is typical of the style of story from that era. If she bends she breaks is post 20th century so it has more modern words and is aimed at a younger audience....   [tags: English Literature] 1600 words
(4.6 pages)
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Knowledge Based Expert System in Transportation Engineering and Traffic Adaptive Signal Control System - Knowledge Based Expert System in Transportation Engineering and Traffic Adaptive Signal Control System I. Abstract Advances in computer technologies have been changing transportation field. Based on those, Intelligent Transportation System has been proposed and being developed for the next generation transportation system. This system requires more utilization of Artificial Intelligence, such as Knowledge Based Expert System, than current one. Although Knowledge Based Expert System has not been robustly studied in the field of transportation, it is suggested to be implemented in Traffic Adaptive Signal Control System as a part of Intelligent Transportation System....   [tags: Traffic Control Light Artificial Intelligence]
:: 7 Sources Consulted
1484 words
(4.2 pages)
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Analysis of Sherman Alexie's The Lone Ranger and Tonto Fistfight in Heaven and Smoke Signals - Analysis of Sherman Alexie's 'The Lone Ranger and Tonto Fistfight in Heaven' and 'Smoke Signals'      Sherman Alexie based on some short stories included in his book, 'The Lone Ranger and Tonto Fistfight in Heaven,' wrote the screenplay for the movie 'Smoke Signals.' Both the movie and the book portray problems that Indians had to deal with, and how they dealt with it. The book is far more complex than the movie, showing a wider variation of characters facing different situations.      In the movie there is Victor, the main character, which tries to be the typical Indian, or maybe just a typical man....   [tags: Alexie Lone Ranger Smoke Signals Essays]
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598 words
(1.7 pages)
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Smoke Signals: Opening a New and Better Past - In the movie Smoke Signals, based on a collection of short stories by Sherman Alexie, a young man named Victor must change his ways of thought or be consumed by the rage, sorrow, and depression of his father leaving his mom and him alone on the Coeur d’ alene Indian reservation in Idaho. Numerous years later Victor’s father is reported to have died in his trailer in Phoenix, Arizona. Victor must collect his father’s remains and bring them home. As you read this you will see that this trip will change Victor for the greater good....   [tags: Smoke Signals, ] 666 words
(1.9 pages)
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Future of Signals Analysis - FUTURE OF SIGNALS ANALYSIS Protocols for transferring data, information, or any other signals communication have dramatically changed. Breakthrough technology has changed the way signals are transmitted, collected, analyzed and distributed. Technology has exceeded well beyond first generation robust computers to third and forth generation supercomputers that are small enough to fit in a person’s shirt pocket. Signals analysts are expected to engage and explore the realms of the unknown and conquer it with decisive and accurate analysis....   [tags: essays research papers] 597 words
(1.7 pages)
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Signs, Symbols and Signals of the Underground Railroad - Signs, Symbols and Signals of the Underground Railroad A journey of hundreds of miles lies before you, through swamp, forest and mountain pass. Your supplies are meager, only what can be comfortably carried so as not to slow your progress to the Promised Land – Canada. The stars and coded messages for guidance, you set out through the night, the path illuminated by the intermittent flash of lightning. Without a map and no real knowledge of the surrounding area, your mind races before you and behind you all at once....   [tags: U.S. History]
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3218 words
(9.2 pages)
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Effectiveness of Signals Intelligence - EFFECTIVENESS OF SIGNALS INTELLIGENCE Signals Intelligence (SIGINT) has access to many traditional and non-traditional dynamic elements that provide superior capabilities to collect and monitor visual, seismic, and acoustic signatures of motorized vehicles. SIGINT is the only system that can be operational and maintainable in any type of climate and terrain, which provides an advantage over the United States’ (U.S.) adversaries. The process of obtaining the intelligence starts with the collection of any type of signal, whether it be infrared, electro-optical, or electronic....   [tags: essays research papers fc]
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1132 words
(3.2 pages)
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Transmission of Pain Signals by the Brain at the Spinal Level - ... The final proposition of the gate control theory is that when the output level of the transmission cells located in the spinal cord goes beyond a critical level, the action system is triggered and the patterns of experience and behavior characteristic of pain are noted (Anderson, 2004, p. 355). When the gate control theory was published, it elicited massive research as it revealed the immense evidence of psychological factors in terms of how humans react to pain; factors that had for a long time been largely dismissed....   [tags: Anatomy, The Central Nervous System] 2035 words
(5.8 pages)
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16QAM and Hexagonal 16QAM Optical Transmitter Using a Dual-Driven IQ Modulator Driven by 4 Binary Signals - ... Fig.1 Operation principle of proposed 16-QAM transmitter using dual-drive IQ modulator. The sub-MZMs in IQ modulator operated in push-pull mode and biased at Null point. Two binary signals with different amplitudes H and L were used as driving signals. So four possible working state (A, B, C, D) can be investigated with driving signal as: H/2 and –L/2, H/2 and L/2 , -H/2 and -L/2, -H/2 and L/2, respectively. Using the transmission function of MZM, we can easily analyze the four modulation points....   [tags: Information Technology ]
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1201 words
(3.4 pages)
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How are nonverbal signals sent by casual dress in the workplace? - How are nonverbal signals sent by casual dress in the workplace. Business Communication Apr 11, 2005 How are nonverbal signals sent by casual dress in the workplace. The phenomenon of casual dress in the business place has come full circle. Many companies are now moving away from casual dress. Many business leaders have come to realize that the nonverbal signals sent by casual dress, conflict with the image the company is attempting to portray. A trend that was seeing more and more companies opting for casual dress, now has companies considering a complete withdraw from this popular business fashion....   [tags: essays research papers] 1123 words
(3.2 pages)
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Smoke Signals - The movie Smoke Signals is based on the series of short stories written by Sherman Alexie. Just like any movie, there is a meaning to it. Before this movie, when I thought of the phrase "Native American" I thought of things like feathers and societies that were impeccable. But after watching the movie, Smoke Signals, it portrays what being a Native American really means. It is not all fun and games. The protagonist, Victor Joseph, has many hard aspects of his life, but throughout it all he grows mentally....   [tags: Movie Review, Film Review] 782 words
(2.2 pages)
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Movie Smoke Signals - Movie Smoke Signals For most of my life, the word “Native American” had immediately made me think of feathers, powwows, and a society uncorrupted by civilization. However, in watching the movie Smoke Signals, a movie that depicts the modern Native American culture, I learned many other things. For one, I learned that many of the customs that modern Native Americans have are very similar to my own. I also saw that the family life of the Native Americans in the film had many of the same problems that my family had undergone in the past years....   [tags: Analysis Movie Film Native Americans Essays] 565 words
(1.6 pages)
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The Smoke Signals Forgiveness - The Smoke Signals Forgiveness Smoke Signals, written by Sherman Alexie and directed by Chris Eyre, begins on July 4, 1976 on the Coeur d’ Alene Reservation. Arnold Joseph (Gary Farmer), drunk while celebrating the "independence", lit off a firework and set the Builds-the-Fire residence on fire, killing the parents of Thomas Builds-the Fire. Many people were already asleep in the house when the fire started, so no one saw Arnold’s mistake, which he kept a secret from the whole reservation. Both Thomas Builds-the-Fire (Evan Adams) and Victor Joseph (Adam Beach), Arnold’s son, were saved from the burning house....   [tags: Sherman Alexie Films Movies Media Essays] 1463 words
(4.2 pages)
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Smoke Signals by Sherman Alexie - Smoke Signals by Sherman Alexie Smoke Signals is a movie written by Sherman Alexie and directed by Chris Eyre that deals with many social issues in modern Native American cultures. The film follows the journey of two Coeur d’Alene Indians, Victor and Thomas, as they travel from their reservation in Oregon to Phoenix, AZ in order to gather the personal artifacts of Victor’s father who has recently died. Along the way, Thomas helps Victor to understand and forgive his father, who left the family when Victor was a young boy....   [tags: Movies Native Americans History Papers] 2631 words
(7.5 pages)
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Analog and Digital Signalling - Part 1: General Review of Signalling a.) Explain the fundamental differences of analog and digital signalling. Baher (2001, p. 2) states that the natural world we live in, as well as most artificial sources, produce signals which we have grown accustomed to consider mainly of the analog type. This means that the signal f (t) is defined, somehow, for all values of the continuous variable t, and its amplitude can assume any value of a continuous range. Such a signal is referred to as an analog signal....   [tags: Signalling, electronics,] 1245 words
(3.6 pages)
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Receptor Protein - Receptor Protein – Protein that binds to a specific single molecule, enabling the cell to respond to the signal molecule. i.e. – The muscles of a person exercising can not contract without receptor proteins and signal molecules that tell the muscles when to contract and when to relax. Second Messenger – Signal molecule produced in response to the binding of a chemical signal. Acts as a signal molecule in the cytoplasm. Signal Molecule – Carries information throughout the body and to other cells....   [tags: essays research papers] 331 words
(0.9 pages)
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Electronic Design for the Time Measurement of a TV Channel - Electronic Design for the Time Measurement of a TV Channel This paper presents a designing an electronic circuit to measure the total time period of a particular TV channel usage. Thus, this circuit will determine usage time of all the available channels. This is going to be very much important to the TV broadcasters, since they concern about number of customers and maximum usage of their TV programs in every day. All these choices influence whether enough people can be attracted to justify a particular channel....   [tags: Electronics Technology] 1470 words
(4.2 pages)
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Wireless Channel Models - Wireless Channel Models [1][2] Various models have been used to represent the characteristics of wireless channels. Some models treat wireless channels in the same manner wired channels are under strict limitations to obtain high simplicity in the analysis. Other models have higher complexity to accommodate for actual conditions in wireless channels. The most common models used for wireless channels include the Additive White Gaussian Noise (AWGN) channel model, the Rayleigh channel model and the Rician channel model which are shown in figure 1....   [tags: Technology ] 1424 words
(4.1 pages)
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The Communication System From Load Cell to PC - This system illustrates the communication system from load cell to PC. The laboratory’s 6-axis load cell is usually composed of four strain gauges in a Wheatstone bridge form. This device produces an output signal in the order of a few millivolts. Thus, an instrumentation amplifier is used to amplify the signal before feeding it to an ADC. Moreover, this system should use a low-pass filter to pass the low-frequency signals and to avoid interference from high-frequency noises. Afterwards, all the 6 channels are measured simultaneously by time division multiplexing method....   [tags: System Analysis] 1240 words
(3.5 pages)
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Atmosphere in Charles Dickens' The Signalman - Atmosphere in Charles Dickens' The Signalman 'The Signal-man' is a ghostly thriller by Charles Dickens. Based on an apparently hallucinating signal-man and the tales of his hallucinations, the story is seen through the eyes of the narrator, a man told of the signal-mans troubles during conversations with the signal-man himself. From the beginning of the story, the atmosphere is both eerie and gloomy. To produce this type of atmosphere, Dickens had to draw on several different aspects of English literature-mostly through description and use of language....   [tags: Papers] 807 words
(2.3 pages)
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AM Radio Design - Objective: The objective of this lab is to design and AM Radio. Introduction: Am radio uses Amplitude Modulation (AM), which works by varying the strength of the transmitted signal in relation to the information being sent. When you tune into an AM radio station, for example 1560 on the AM dial the transmitter’s sine wave is transmitted the data at 1560,000 hertz. What this number essentially means is that the sine wave repeats every 1560,000 times per second. The data is modulated onto the carrier wave by changing the amplitude of this sine wave....   [tags: Engineering Radio Design ] 1780 words
(5.1 pages)
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Sound Level Meters - Testing and validation are indispensable steps in the development of software platforms designed to emulate hardware components. Since modern sound level meters rely heavily on digital signal processing for sound analysis, it seems reasonable to expect that results of equal or greater accuracy can be realized on computer platforms. Requirements for precision measuring instruments are specified in the international standard IEC 61672-2003 – Electroacoustics – Sound Level Meters. The Standard is applicable to selfcontained or multi-component analogue and digital hardware systems, only briefly mentioning computer software as a provisional part of the instrument for displaying results and limited data manipulation....   [tags: Information Technology ] 1167 words
(3.3 pages)
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The following piece of work is an analysis of the short story called - The following piece of work is an analysis of the short story called the signalman by Charles dickens. “The signal man” is set in the mid 19th century. The main setting is that of right beside a train tunnel where the main character the signal man stays to let trains through etc.The storyline is set mostly in the night time. The story has an eerie effect on me as a reader. While I was reading the signal man I picked up on the tense atmosphere. At one point early on in the story, there’s a moment which brought the tension to the story in a strong way....   [tags: English Literature] 796 words
(2.3 pages)
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Data Transmission - Data Transmission The purpose of this report is to describe some common data transmission terminology. This paper will discuss various data transmission (communication) protocols and how they are used in data communication. Synchronous and Asynchronous: Asynchronous serial transmission is a technique used in serial RS232 communication. The data is framed by a series of control bits known as the start bit, stop bit(s), parity bits and error checking bits. A transmit clock signal is used to clock the data over the transmission line to the receiving end....   [tags: Technology Definition Data Communication Research] 1180 words
(3.4 pages)
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FM Receivers - Abstract This paper will discuss the design of an FM receiver. It will begin with a brief historical backdrop of FM broadcasting and its use in society. It will continue by providing the necessary mathematical background of the modulation process. Furthermore, it will enumerate some of the advantages of FM over other forms of modulation, namely AM. Finally, the paper will discuss the design of a basic FM receiver as well as introduce some circuits and circuit components which the reader may not be familiar with....   [tags: essays research papers] 1746 words
(5 pages)
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Digital Television - Digital Television Television is a medium for recording and transferring images and sound from one point to another. The Image portion of the system is a “ light-To-light system, gathering variations in light at the source via pickup device such as a camera and recreating those variations in light as a visual image via a display device such as cathode ray tube (CRT). Television was initially intended for sports, news and entertainment applications and its now finding application in telecommunications as videoconferencing, for computing as desktop video, for medicine as telemedicine and in education as distance learning, because of this rapid application, digital television gives the development of accurate and detailed picture and sound....   [tags: Papers] 1908 words
(5.5 pages)
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Transmission of Information through a Photonic Link - Transmission of Information through a Photonic Link Introduction As civilizations rose they noticed the sun as they received the light it sent to them, because of this a fascination arose for light. Eventually the human mind and technology progressed to such experiments as those of Alexander Graham’s use of light in a photophone, a transmitter of voice using the sun as a transmitter. However unlike Graham’s experiment, modern technology provides a new level of communication in this experiment....   [tags: Technology Solar Sun] 1200 words
(3.4 pages)
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Very Small Aperture Terminal (VSAT) Communication Networks - ... Using different code, time, frequency and other access schemes allows a large number of signals to be transmitted, identified and differentiated simultaneously. There are two basic types of VSAT networks: Mesh topology networks and star topology networks. A mesh topology network is a point-to-point network consisting of multiple locations and antennas as described above. A star topology network is usually a larger network where multiple equipment sets (antennas and modems) are placed in various locations....   [tags: Technology]
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(5.9 pages)
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Data Communications - Introduction When electronic devices transfer information to another electronic device, the devices need to know when data flow is beginning and ending. This is done with signals for synchronization.i This report will describe the two forms of data communications in terms of the physical interfaces and modes of operation. It will describe the features of data communications equipment in relation to synchronous and asynchronous communication including modems, network terminating units and sending and receiving equipment....   [tags: Information Technology]
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1388 words
(4 pages)
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GPS - Global Positioning System - What is GPS. The Global Positioning System (GPS) was developed by the Department of Defense and consists of a group of 24 satellites which are monitored by five ground stations. It essentially allows you to pinpoint your location anywhere on the surface of the Earth, even in cloudy weather, with the use of a GPS receiver. The GPS receiver is a navigational device that uses these satellites as reference points to calculate your position on the ground. It does this by triangulating your position between at least 3 satellites....   [tags: physics global positioning systems]
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Differences in Telecommunication Terms - This paper will attempt to define and contrast the following terms: a. Synchronous and asynchronous b. Analog and digital c. XON and XOFF d. Simplex and duplex e. Serial and parallel transmission f. Baseband and broadband g. Serial Line Internet Protocol (SLIP) and Point-to-Point Protocol (PPP) h. Hypertext Transfer Protocol (HTTP) and File Transfer Protocol (FTP) i. Transmission Control Protocol (TCP) and Internet Protocol (IP) It will also contain a brief description and analysis of the OSI layers that are used with the TCP/IP protocol stack....   [tags: essays research papers] 2008 words
(5.7 pages)
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compression - Due to compression, TV audio and video require less bandwidth and multiple digital TV channels can fit unto one satellite transponder as oppose to a single analogue channel occupying the whole transmission line. A TV signal is captured by a camera and then manipulated during program production. At this point the video must be at its highest quality and full bandwidth for recording, editing and special effects purposes. Then the TV signal needs to be compressed for economical transmission and storage....   [tags: essays research papers] 453 words
(1.3 pages)
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How a Television Works - How a Television Works The job of a TV set is to turn the electronic signals created by TV cameras and microphones back into pictures and sound. The TV's aerial picks up the signals from the transmitting studios and they then travel down a cable to the aerial socket at the back of the TV. When you switch on the set, the sound and picture signals are separated from each other and from the carrier waves. (The TV signal on its own isn't powerful enough to travel very far so it is mixed with the much more powerful carrier wave and can then travel much larger distances.) The sound is then sent to the TV's loudspeaker....   [tags: Papers] 455 words
(1.3 pages)
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Bus Rapid Transit: A Sustainable Approach to Mass Transit - Bus Rapid Transit: A Sustainable Approach to Mass Transit Transportation accounts for about 25% of fossil fuel consumption. One way to decrease the negative environmental effects of burning fossil fuels (e.g. smog and global warming) is to improve mass transit. An efficient mass transit system speeds travel time, cuts travel costs, and makes service more reliable. Consequently, it discourages the use of private vehicles, reducing fossil fuel consumption and emissions. A type of mass transit that has proven to be environmentally and socially successful in many cities across the world is Bus Rapid Transit....   [tags: Mass Transit Bus Public Transportation Essays]
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Mechanomyography (MMG) - MMG simply stated, is the sound that resonates from the muscle during a stimulated contraction. The act of pulling on a taught string and letting go has been related to model the sound generated by the muscle. This sound can be caused by the cycling of the actin myosin cross bridges, or perhaps by the gross lateral shift of the muscle, or maybe even the brief shock generated by the thickening of several active muscle fibers. These are three of the hypothesis that try to account for the sound emitted from the muscle....   [tags: essays research papers] 1788 words
(5.1 pages)
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ATRAC: Adaptive Transform Acoustic Coding for MiniDisc - ATRAC: Adaptive Transform Acoustic Coding for MiniDisc Abstract -------- ATRAC is an audio coding system based on psychoacoustic principles. The input signal is divided into three subbands which are then transformed into the frequency domain using a variable block length. Transform coefficients are grouped into nonuniform bands to reflect the human auditory system, and then quantized on the basis of dynamic sensitivity and masking characteristics. ATRAC compresses compact disc audio to approximately 1/5 of the original data rate with virtually no loss in sound quality....   [tags: Papers] 1980 words
(5.7 pages)
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Controlling Automobile Traffic - Controlling Automobile Traffic A safe community is comprised of many things. The most important thing to have in a community is correct traffic flow. The flow of traffic can determine how congested the community can be, and even how safe it can be. Parents would not want their children playing near a busy road, nor would they want to live in a community where traffic is constantly a problem. The most effective way to control these problems is through a system of “Signal Control Timings.” The new AUSCI (Adaptive Urban Street Control and Integration) technology automatically adjusts traffic signal timing based on actual traffic flow conditions....   [tags: Exploratory Research Papers]
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534 words
(1.5 pages)
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Comparing "The Red Room" and "The Signalman" - There are many comparisons that can be made with ‘The Red Room’ and ‘The Signal-man’ by H.G. Wells and Charles Dickens respectively. I am going to examine some of these comparisons as well as analyse these two stories. These two stories are both classified in the Gothic genre. This was very well-liked in the Victorian industrial revolution, towards the end of the 1800s. Both were also written around the time of the industrial era. Science, particularly physics, was beginning to take over in working terms; people were now unable to work because most jobs were becoming motorised: thanks to the new technological advances....   [tags: Literary Analysis] 1877 words
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Computers Modulator Demodulators (Modems) are used to change the analogue - Computers Modulator Demodulators (Modems) are used to change the analogue to digital and the other way around Analogue to Digital Conversion Matt Davey Analogue to Digital Conversion is the way of converting a continous analogue signal to a series of digital binary numbers. This is done in many pieces of hardware by taking samples of the analogue signal and then each sample is digitised into a binary code by a microchip. This process is known as Quantization a process where a continuous signal is converted to a series of points at discrete levels....   [tags: Computer Science] 368 words
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Using Electroencephalography as a Method of Computer Input - Abstract — There are a number of people in the world who suffer from disabilities which prevent them from being able to use traditional means to control a computer. For these people, alternate forms of input are required. One potential input device is an Electroencephalography machine which can be used to detect patterns of brain activity and use these patterns to trigger events on a computer such as mouse clicks or keyboard presses. This allows those without the use of their hands to be able to control a computer without invasive surgery....   [tags: Computer Technology]
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RFID-Enabled Applications - RFID-enabled applications have grown at a tremendous rate and hence, it has been one of the major research interests from past few years. RFID, in-particular passive UHF RFID, has been used for a wide variety of applications ranging from the familiar access control to supply chain management, library item tracking, homeland security applications, toll collection, and in aviation industry. Its ability of attaching information to the real-world products cheaply and can be retrieved without requiring physical contact has been the primary reason for its wide range applications....   [tags: Information Technology]
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Wireless Technologies - ... This controller in turn decodes and transmits the data through radio signals to a receiving unit on the other end, usually at another tower or rooftop. This receiving unit then decodes the message and transmits the data to a switch at the receiving location. By doing this, the business can have one ISP connection at the main building but transmit the signal to multiple locations, therefore allowing the business to share the same Internet connection and also share the same data at each location....   [tags: Technology]
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Nissan VSS-From-Instrument Cluster Investigation - ROSTRA PRECISION CONTROLS Nissan VSS-from-instrument cluster investigation Executive Summary: On the Nissan Frontier/Titan applications, VSS is obtainable from a single wire in the instrument cluster and the Controller Area Network (CAN). The instrument cluster VSS wire is not always pre-installed because, in this case, it is not part of a safety critical system; it only used for accessories. Inside the instrument cluster, the VSS generating circuit is configured to be a “open collector/drain”....   [tags: Automobile Investigation] 1883 words
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Exploring Eye Motion and Models of Head Centered Motion Perception - 1.4 Combining Afferent and Efferent Signals: Models of head centred motion perception. Sensory signals relating information about our physical movements, as well as information regarding external object motion, are required in order to preserve a stable and accurate view of the world, and estimate external motion. Space constancy is the visual system’s ability to maintain a view of the outside world that does not jump about and move with an eye movement (Deubel, Bridgeman, & Schneider, 1998; Stark & Bridgeman, 1983)....   [tags: biology] 1508 words
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Modems - Modems The main reason for using a Modem that commercial quality telephone circuit is limited to a bandwidth of 300-3.400 Hz which gives you a bandwidth of 3.1 KHz bandwidth which is not wide enough to transmit digital signals without the introduction of distortion. Therefore the digital signal must be converted into an analogue signal before being transmitted over the telephone network, this also applies to the distant end so the received analogue signal must be converted back into the original digital form....   [tags: Papers] 752 words
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Network Topologies Analysis and Comparison - Network Topologies Analysis and Comparison The bus topology connects several computers, or nodes, with a communication channel, often a single cable. Computers on a bus either transmit data to other computers on the network or listen for data from other computers on the network. They are not responsible for moving data from one computer to the next. Consequently, if one computer fails, it does not affect the rest of the network. Because the data, or electronic signal, is sent to the entire network, it travels from one end of the cable to the other....   [tags: Network Topology] 1022 words
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Comparing The Red Room by H.G. Wells and The Signalman by Charles Dickens - Comparing The Red Room by H.G. Wells and The Signalman by Charles Dickens The aim of this essay is to explore the way in which the two authors respectively create a feeling of suspense and tension in their works. I will be discussing The Red Room, by HG Wells, and The Signalman, By Charles Dickens. The convincing portrayal of suspense and the effective build up of fear, drama and anticipation are the central features or aspects of any piece of work from this genre. I will focus on how the presentation of language, setting, atmosphere achieves this....   [tags: Papers] 393 words
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Radar Detector - Radar Detector Radar, which stands for Radio Detection and Ranging, was developed for military purposes. The British and US military used radar to locate ships and airplanes. However, when they were using this technology annoying blips consistently appeared on its screen. It turned out that these blips were raindrops. They saw this hindrance as a wonderful opportunity and in 1957 created the WSR-57 (weather surveillance, 1957), which became the primary radar for the weather service for nearly 40 years....   [tags: Speeding Technology Essays]
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Attenuation Effects on Data Transmitted through Cable - Attenuation Effects on Data Transmitted through Cable Abstract Attenuation refers to any reduction in the strength of a signal. Attenuation occurs with digital or analog signals. Attenuation is the end result of signals being transmitted extended distances. Attenuation is usually expressed in units called decibels (dBs). The cable type will determine at what point along the length of the cable signal degradation occurs. Repeaters can be inserted along the length of the cable to boost the signal strength which increases the maximum attainable range of data transmitted though the cable....   [tags: essays research papers] 551 words
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Comparative Study of SAR from Mobile Phones With and Without Headset - ... The numbers of cell phones and cell towers are increasing without giving due respect to its disadvantages. Because of this, scientists worldwide are concerned about the potential health risks associated with the use of mobile phones. As we all know, the radiations are nothing but the microwave energy. The range of microwave is 1 to 300Ghz.Usually this word is used for wavelength measured in micron ranges. In revised version microwave frequencies refer to those in the range from1Ghz to 106Ghz....   [tags: Technology]
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The Human Body - ... The impulse is projected and rushed along its way by the myelin sheath, which is a layer of fatty tissue that encases the axon. All neurons recognize signals from numerous other neurons. There are two kinds of signals, one is excitatory, because they energize the neuron toward potentially conveying its own signal. The added excitatory signals a neuron absorbs, the closer the sum will be to the neuron's threshold, and the quicker the neuron will be to firing its signal. As the neuron absorbs excitatory signals, the neurons are energized by the signals, until the threshold is reached....   [tags: Health, Neurons] 865 words
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"Contact": a Critical Review of Bias - In 1997, Carl Sagan’s science fiction novel Contact was finally adapted to film by director Robert Zemeckis. Although originally written as a film in 1980 by Sagan and his wife Ann Druyen, production proved to be troublesome leading Sagan to publish Contact as a novel in 1985. The film portrays humanity’s first contact with extraterrestrials, but unlike most alien encounter stories that concentrate on the direct conflict of humans meeting aliens, Contact focuses on humanity’s cultural struggles when it encounters uncertain extraterrestrial events....   [tags: Carl Sagan, Contact, movies, ] 2531 words
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Staying Focused - Sunlight shining through a window would wake me up from under my downy blankets. After a breakfast of bird nests (eggs fried in a hole in a slice toast), I would take a stroll down the Mission Creekwalk and look at the clouds and mountains. I would come back home and play guitar for a while and learn some new songs. Max Isenberg, a great friend of mine, and I would shoot a skit to upload onto YouTube. After filming, we’d come back to my house to eat lunch and edit the footage. Once Max had left, I would take a nap and be awoken by another friend, calling me to play basketball at Gomes....   [tags: Study Tips] 953 words
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0.5 mm2 All-Digital SAW-less Polar Transmitter for EDGE in 65 nm CMOS - EDGE is currently the most widely used standard for data communications in mobile phones. Its proliferation, supported by its backward compatibility with GSM, has led to a need for low-cost EDGE mobile solutions. The implementation of RF circuits on the nanoscale digital CMOS process with no or minimal process enhancements is one of the key obstacles limiting the complete single-chip integration of cellular radio functionality with digital baseband for mass production. The key challenges for the RF integration in nanoscale CMOS include non-linearity of devices and circuits, device mismatches, process parameter spread, and the increasing potential for self-interference that could be induced by one function in the SoC onto another....   [tags: Research Analysis ]
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Voice Over Internet Protocol Attacks - ... They have a handset, cradle and buttons just like a normal phone has. There are even Wi-Fi phones that allow you to make VoIP calls utilizing any Wi-Fi hot spot. Computer-to-computer Computer to computer is the easiest way to use VoIP. With the exception of paying for the Internet service through a provider, this is a free method of computer to computer calls. Long distance is normally free of charge, no matter how far between calls. Items required for this method of VoIP is the software, Internet connection, a sound card, microphone and speakers....   [tags: Information Technology ]
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Lord Of The Flys - Lord of the Flies "This is an island. At least I think it's and island. That's a reef out in the sea. Perhaps there are not any grownups anywhere." The Lord of the Flies is about a plain full of British boys that get stranded on an island. They start out peaceful and orderly and eventually descend into savagery. Is this book only about boys stranded on an island, or is it about something more. Then a beastie appears into the book things just go from bad to worse and the boy's sink further into savagery....   [tags: William Golding] 1309 words
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How the Heart Works - How the Heart Works The cardiac electrical system The heart generates its own electrical signal, or impulse. This electrical impulse can be recorded by placing electrodes on the skin of the chest, thus producing the electrocardiogram (ECG, or EKG). The heart's electrical impulse arises in the upper portion of the right atrium and spreads across. As it spreads, it triggers the heart muscle to contract in a coordinated fashion. If the electrical signal becomes deranged in some way, the efficient pumping action of the heart may deteriorate, or stop altogether....   [tags: Papers] 418 words
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Bandwith Issues - Since the birth of the World Wide Web, bandwidth has been a concern. Computer users surfing the Web are always in need of more bandwidth. In an effort to attract more surfers, content providers are jazzing up their pages using more multimedia than ever. The new generation of multimedia-laced Web pages contain bigger pictures and have embedded sound files; all these items take more bandwidth to download. The growth of the World Wide Web and its large content pages has led many computer users to seek faster ways of connecting than through analog modems....   [tags: essays research papers fc]
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The Physics of an AM Radio - The Physics of an AM Radio It’s was a beautiful sunny morning and Bill just kissed his wife goodbye and headed out the door on his way to work. As Bill got into his car he realized that he missed the Utah Jazz game the night before because of a late business meeting and fell asleep before the news came on so he couldn’t catch the highlights or even the score. He remembered that he could catch the rundown on AM frequency 930 (Sports News Radio). Many people enjoy listening to AM radio because of how convenient it is to listen and catch up on the sports, weather or just enjoy the entertainment of listen to Rush or Dr....   [tags: Physics Radio Papers]
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How W.W. Jacobs, H.G. Wells and Charles Dickens Create Suspense in their Gothic Horror Stories - How W.W. Jacobs, H.G. Wells and Charles Dickens Create Suspense in their Gothic Horror Stories In these gothic horror stories the authors create suspense two main ways. The first is that they use element of gothic horror in their stories and the second is how they use words and phrases to create tension. The first of these would include features such as darkness or isolation to unnerve the reader and create suspense. The use of darkness shows through all three stories but in different forms....   [tags: Papers] 1280 words
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The Narrative Structure of The Red Room - The Narrative Structure of The Red Room In the beginning of the story, as we know the narrator is very cocky and confident. When the narrator is in the sitting room, we can see that tension starts to build up when he meets the weird and daunting old people. The description of the old people in the sitting room builds up tension, due to the gruesome description of the almost terrifying old people. They also act strange, which also adds to the amount of tension. While the narrator is on his way to the sitting room, we can see that more tension is being built at this stage, due to the explicit description of the surroundings, this increases the amount of tension by ten times, terrifying the reader, keeping the reader on the edge of their seats....   [tags: Papers] 661 words
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Comparing Two Different Signaling Systems Used by Non-Human Animals - Comparing Two Different Signaling Systems Used by Non-Human Animals Animals used several different methods to communicate with each other. Signals are used by animals for a variety of reason, some of these being danger or the location of food. Among the methods used are visual communication and chemical communication.. Visual signals are performed in many different ways for a variety of reasons. It allows information about a variety of topics to be transmitted quickly and easily....   [tags: Papers] 636 words
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Smooth Pursuit Eye Movements - Once a target object is identified, smooth pursuit eye movements are used to track the object as we, or the object, move through the environment. Smooth pursuit eye movements are slow eye movements that follow a target and are used to maintain its position on the fovea. The smooth pursuit eye movements studied here are conjugate with the eyes moving together and the angle between them preserved. A visual stimulus is usually required to initiate a smooth pursuit eye movement (Rashbass, 1961). Although, by degrading the available retinal information, to the extent that perceived motion was either inaccurate or illusory, Steinbach (1976) reported that smooth pursuit only requires an ‘appreciation of the object in motion with respect to the observer, regardless of retinal stimulation’....   [tags: Ophthalmology] 1028 words
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Kinetic Production of Isoborneol through the Oxidation-reduction Sequences of Borneol - Through an oxidation-reduction reaction sequence, Borneol is converted to isoborneol. First, borneol is oxidized through a reaction with sodium hypochlorite at 400C to form camphor. When the camphor is then reduced by sodium borohydride, isoborneol is formed. The percent yeild of isoborneol collected was 56.4%, and the melting point range was found to be between 174.2-179.90C. Through analysis of the product through 1H NMR spectroscopy the percent purity is found to be 77.2% pure isoborneol. Introduction Oxidation-reduction reactions can be used to stereochemically control and produce many different organic molecules....   [tags: Chemistry] 635 words
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Navaids in Aviation - How would pilots ever get around so easily without the help of navigation aides. Navigational aides have been around for almost as long as aircraft have been flying in the skies above us. The first navigation system was composted of just a high intensity-flashing beacon. These beacons were placed on the flight routes that were popularly flown in the mid 1920’s. With more time more of these technologies that help us navigate the world will be even simpler than today. This paper will explain how some navigational aides work and how some of them came into existence....   [tags: essays research papers] 885 words
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Symbols in William Golding's The Lord of the Flies - Symbols in William Golding's The Lord of the Flies In this essay I will be discussing the different types of symbols and their meanings in the book “The Lord of the Flies.” I will be discussing how the signal fire, the conch Shell, and The lord of the Flies are all very important symbols in the novel “The Lord of the Flies.” The first symbol I will talk about is the conch and how it was used and how it is so important to the novel. The conch shell was discovered by Ralph and Piggy on the beach at the start of the novel and they used it to get the boys together after the crash separates them all....   [tags: Papers] 476 words
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