...qwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmrtyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmrtyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmrtyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmrtyuiopasdfghjklzxcvbnmqwer...
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...White Noise: The Representation of Technology Technology has become an indivisible part of our modern lives. It is present everywhere one looks and life without it would be impossible. In White Noise, the notion of modern technology is represented through the interaction between people and machines and our dependency on them, the steady flow of media affecting us daily, and the dangers technology poses for humankind. In White Noise, technology makes its presence known in the way we depend on and interact with machines. An example of this is Jack’s use of the ATM machine when his financial calculations are confirmed and a sense of peace and comfort seems to overcome his uncertainty (Sparknotes), “What a pleasing interaction. I sensed that something of deep personal value, but not money, not that at all, had been authenticated and confirmed” (DeLillo 46). An instance where our dependency on the use of cars for transportation is shown at the very beginning of the novel, “The station wagons arrived at noon, a long shining line that coursed through the west campus…The roofs of the station wagons were loaded down with carefully secured suitcases full of light and heavy clothing; with boxes of blankets, boots and shoes…” (DeLillo 3). Another occurrence of people’s dependency on the use of machines is throughout the airborne toxic event when sophisticated equipment and measuring devices need to be used to figure out the contamination levels and to protect the rescue personnel...
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...Ali Rizwan - Calvez Fabien 4.1 - Localization of the source during the time 4.2 - Estimation of the instantaneous speeds 5- Signal Processing Project Signal Processing Project 2D location tracking radar by using sound waves Fourth step: Real-time monitoring of a sound wave 5.1 - Acquisition of a real sound signal 5.2 - Merging of information with another group 6 - Conclusion Ali Rizwan and Calvez Fabien Table of contents: 12Introduction First step: Estimation of arrival direction of sound waves 2.1 - Limits of the detection 2.2 - First method Annex: 7 - Figures 2.3 - Second method 82.4 - Conclusion about the two methods 3Second step: Localization of wave sources in a plane Matlab programming 3.1 - Localization of a sound wave 3.2 - Estimation of the performances 4Third step: Tracking of a sound wave ENSEIRB-MATMECA 1/16 2009-2010 Ali Rizwan - Calvez Fabien 1Introduction Signal Processing Project 2 - First step: Estimation of arrival direction of sound waves The most widespread localization system used by common people is the Global Positioning System (GPS). Yet we cannot use it inside buildings, because of the low reception level of the signals. Instead Wi-Fi waves can be used or even sound waves. This is the second method that is introduced in this project. The goal of this project is to localize a sound source in a simple but realist example the implied issues linked to the design of this system. In this project an algorithm...
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...In this essay I want to examine how postmodernism is used throughout Don Delillo's White Noise and Caryl Churchill's Top Girls. Although each of the texts are very dissimilar they both concentrate on restrictions in society, yet open up a whole new perspective to what these oppressive values really do represent. Postmodern novels are known to be published after the Second World War. It was after the 19th century that modernism was introduced, where the constraints from society's values were rebelled against. However, in the last few decades, there is an evident change that had occurred. Modernism focuses upon values that are oppressing in society, such as class, politics, race and gender. Yet, postmodernism doesn't focus on these aspects in a way that is challenging them; it focuses more on a utopian idea of the world. It is where these constraints are not just acknowledged, but disregarded as they shouldn't seem to matter simply because boundaries in society shouldn't be an issue. Don Delillo's White Noise, was first published in 1984 and it looks into how the world is changing through the medium of popular culture, the media and most importantly, technology. The reader is exposed to this through the eyes of the protagonist, Jack Gladney who is a professor of Hitler studies in a university. A major theme that occurs throughout the novel is the subject of death. We see that Jack has a great fear of death. However, in one of Jacks lectures he unexpectedly confronts this fear by...
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...Signal Processing and Noise Reduction, Second Edition. Saeed V. Vaseghi Copyright © 2000 John Wiley & Sons Ltd ISBNs: 0-471-62692-9 (Hardback): 0-470-84162-1 (Electronic) 2 NOISE AND DISTORTION 2.1 Introduction 2.2 White Noise 2.3 Coloured Noise 2.4 Impulsive Noise 2.5 Transient Noise Pulses 2.6 2.7 2.8 2.9 2.10 Thermal Noise Shot Noise Electromagnetic Noise Channel Distortions Modelling Noise N oise can be defined as an unwanted signal that interferes with the communication or measurement of another signal. A noise itself is a signal that conveys information regarding the source of the noise. For example, the noise from a car engine conveys information regarding the state of the engine. The sources of noise are many, and vary from audio frequency acoustic noise emanating from moving, vibrating or colliding sources such as revolving machines, moving vehicles, computer fans, keyboard clicks, wind, rain, etc. to radio-frequency electromagnetic noise that can interfere with the transmission and reception of voice, image and data over the radio-frequency spectrum. Signal distortion is the term often used to describe a systematic undesirable change in a signal and refers to changes in a signal due to the non–ideal characteristics of the transmission channel, reverberations, echo and missing samples. Noise and distortion are the main limiting factors in communication and measurement systems. Therefore the modelling and removal of the effects of noise and distortion have been...
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...Topic # 3: Random Variables & Processes & Noise T1. B.P. Lathi, Modern Digital and Analog Communication Systems, 3rd Edition, Oxford University Press, 1998: OR 4th Edition 2010 Chapter 8, 9 & 12 T2. Simon Haykin & Michael Moher: Communication Systems; John Wiely, 4th Edition OR 5th Edition, 2010, 5/e. : Chapter 5 R1.DIGITAL COMMUNICATIONS Fundamentals and Applications: ERNARD SKLAR and Pabitra Kumar Ray; Pearson Education 2009, 2/e. : ( Section 5.5) August 11- 18, 2014 1 What is Noise ? Desired Signal : The one that is needed. Effect of Noise : Since the noise adds to the signal, it lives with it. Neither amplification nor the filtering can alleviate the effect of noise on the desired signal. Undesired Signal : The one that gets added to the desired signal when the desired signal is passing through the medium, amplifiers, mixers, filters and other parts of the communication channel between the source and the destination. Noise : The undesired signal that adds to the desired signal and reaches the destination. The only way to keep away from the effects of noise is to see that less amount of noise, relative to the desired signal, is present at the destination Interference: Intentional or unintentional un desired signals that interfere with communication process. 2 ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION Noise Sources Externally Generated Internally Generated Thermal noise : Random Motion of electrons due to temperature in...
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...Impact of Noise on Recall of Advertisements Author(s): Bob T. Wu and Stephen J. Newell Source: Journal of Marketing Theory and Practice, Vol. 11, No. 2 (Spring, 2003), pp. 56-65 Published by: Taylor & Francis, Ltd. Stable URL: http://www.jstor.org/stable/40470111 Accessed: 30-11-2015 10:58 UTC REFERENCES Linked references are available on JSTOR for this article: http://www.jstor.org/stable/40470111?seq=1&cid=pdf-reference#references_tab_contents You may need to log in to JSTOR to access the linked references. Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at http://www.jstor.org/page/ info/about/policies/terms.jsp JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org. Taylor & Francis, Ltd. is collaborating with JSTOR to digitize, preserve and extend access to Journal of Marketing Theory and Practice. http://www.jstor.org This content downloaded from 27.251.83.10 on Mon, 30 Nov 2015 10:58:27 UTC All use subject to JSTOR Terms and Conditions THE IMPACT OF NOISE ON RECALL OF ADVERTISEMENTS Bob T. Wu BowlingGreenStateUniversity J. Stephen Newell Western MichiganUniversity that referred inmarketing to to and is a literature, hasbeenthe Noise,a barrier...
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...What could be in a graveyard? As it turns out, everything. There was the sound of a church bell, and zombies came out and about everywhere. Bats were flying overhead, and I could feel the gust of wind they created, the noise of wings beating. I heard a medley of odd noises. I thought they were the false cries of others, but as it turns out, a medley of noises equated to a medley of really odd gross things. Apart from the zombies and bats, there where ghouls, vampires, weird green things that looked like blobs, and off in the distance, what appeared to be a manticore. At this point, I was beyond screaming and crying and closing my eyes, I was wondering what was wrong with my...
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...The effects of populations and noise go hand-in-hand, or have a cause and effect relationship. If there are larger amounts of people in a smaller space, there will be more noise. The amount of noise a human can tolerate changes from each person’s own perspective. Most people have a desired level of noise, and a desired amount of personal boundaries. Cultural factors affect the way human beings determine what is appropriate personal space, or what is uncomfortable for each individual. Environment has a huge impact on what one considers privacy. The comfort level in which individuals interpret their own privacy varies, also has to do with how one is brought up and what their personal culture has taught him or her or privacy. For example, in certain cultures the people feel it is appropriate to keep the women covered up as much as possible. Traditional Muslims wear head pieces that cover everything except their eyes. African tribal groups will show their women wearing next to nothing, they may have their breasts exposed or it may be customary for the whole tribal community to wear nothing at all. If there is no stigma taught by the social norms of that society, then the people do not feel as though they are exposing themselves. Individuals are a product of their environment. If what they are doing is taught to be right, then they will not have the feeling that they are doing something wrong. Human territoriality is the predisposed feeling to control one’s own surroundings and...
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...Financial Time Series Analysis Jiajing Sun University of Chinese Academy of Sciences 22 September 2013 J. Sun (UCAS) ARMA(1) 22 September 2013 1 / 23 Review As pointed out in the last week, the objective of studying …nancial time series analysis is to predict future values of some …nancial variable. This objective is achieved by following methodology based on: 1 2 3 4 Model Speci…cation; Model Estimation; Model Validation; Forecasting (or prediction) Note: The model to be used for forecasting is in fact estimated from history, i.e. data from the past is used to make probabilistic statements about future values. J. Sun (UCAS) ARMA(1) 22 September 2013 2 / 23 Stationarity Historical values are used to identify the dynamic properties of the time series (relationship between current and past values) and these are used to forecast the future. A critical assumption behind the methodology that we develop …rst in this course is that such dynamics do not change over time. In a heuristic sense, we require the future to be like the past in a probabilistic sense. This requirement is formalized by the concept of stationarity. J. Sun (UCAS) ARMA(1) 22 September 2013 3 / 23 Stationarity Strict Stationarity A time series Y is strictly stationary if its probabilistic distribution does not change over time. That is, for any k, the joint distribution of (Yt , Yt 1 , ..., Yt k +1 ) does not depend on t. In other words, the joint...
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...order that he may come to a level of acceptance with those who are in the rings of the Inferno. We also see sounds imagery in Canto IV (4). “Breaking the deep sleep that filled my head,/ A heavy clap of thunder startled me up/ As though by force” (Canto IV lines 1-3). Since Dante was not yet accustomed to the Inferno, the Inferno woke him up with a loud clap of thunder in order that he may become better accustomed to the sounds of torture. Dante expected to hear tortured souls, especially because Virgil’s face became white with pity for the pain the virtuous pagans face in the first circle of the Inferno. But, we do not hear any suffering or shrills of torture. “Here we encountered/ No laments that we could hear-except for sighs/ That trembled the timeless air” (Canto IV lines 19-21). Dante describes the first ring of the Inferno as being silent, this represents a second poetic justice to their suffering. Even in silence, pain can be found. Sound imagery is usually a noise, but the beauty of...
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...Noise may be defined as any unwanted form of energy tending to interfere with the proper and easy reception and reproduction of signals. It may be subdivided according to type, source, effect, relation to the speaker, depending on circumstances. 1. External Noise. * Atmospheric Noise – consist of spurious radio components distributed a wide range of frequencies. Majority of these radio signals come from the natural sources of disturbance generally called static. * Extraterrestrial Noise * Solar Noise * Cosmic Noise * Industrial Noise – the intensity of noise made by humans easily outstrips that created by any other source, internal or external to the receiver. 2. Internal Noise * Thermal agitation noise – it is due to the rapid and random motion of molecules, atoms and electrons of which any such resistor is made up. Vn = 4kTδƒ R Example a. An amplifier operating the frequency rate from 18 to 20 MHz has a 10-kΩ input resistor. What is the rms noise voltage at the input to this amplifier if the ambient temperature is 27° C? Vn = 4kTδƒ R =4 x 1.38 x 3 x 2 x 10-11 = 1.82 x 10-5 = 18.2 μV * Shot noise – it is caused by random variations in the arrival of electrons at the output electrode of an amplifying device and thus as a randomly varying noise current superimposed on the output. 1.6 x 10-19 C in =2eip δf * Transmit Time Noise – if the time taken an electron to travel from the emitter to...
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...Noise 1. Calculate for the noise power if the temperature of the conductor is 290 K, the bandwidth is 200kHz. PN=kTB PN=1.38x10-23290(200kHz) PN=8.004x10-16 W 2. With a resistance of 200k ohms, a bandwidth of 500khz and a temperature of 500 K calculate for the noise voltage. VN=4kTBR VN=41.38x10-23500(500k) VN=1.17x10-7 V 3. Given a noise power of 3000kW and a bandwidth of 2.5Mhz. Compute for the noise density No=PNB No=3000kW2.5Mhz No=1.2 WHz 4. Given a noise temperature of 350K calculate for the noise factor. Teq=ToF-1 F=TeqTo+1 F=350290+1 F=2.2 5. With a bandwidth of 450 hz and a current of 50mA. Compute for the shot noise. IN=2BIq IN=(2(450)(50mA)(1.6x10-19) IN=2.68 nA 6. Calculate for the Bandwidth if the noise power is 500kW and the temperature is 279K PN=kTB B=PNkT B=500kW1.38x10-23279 B=1.3x1026Hz 7. If the noise voltage is 20V and the resistance and temperature is 200 ohms and 273 K respectively, calculate for the bandwidth. VN=4kTBR B=Vn24TR B=2024200(273) B=1.83x10-3Hz 8. Given a signal voltage of 55V and a noise voltage of 35 V calculate for the signal-to-noise ratio in decibel form. SNdB=20logVsVN SNdB=20log5535 SNdB=3.93 dB 9. Given a signal power 60W and a noise power of 43W. Calculate for the signal-to-noise ratio in decibel form. SNdB=10logPsPN SNdB=10log6043 SNdB=1.45 dB 10. Given a signal power 80W and a noise power of 33W. Calculate for...
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...Name: Tutor: Course: Date: Communication Quistion1 Noise is one of the obstacles to effective listening, and we define noise as any unwanted sound in any environment. Noise is a barrier to effective listening, and we can overcome this obstacle by one avoiding conversations in a noisy place secondly eliminating the source of the noise. Quistion2 Collaboration as a method of conflict management strategy refers to bringing together all the conflicting parties to find out the most appropriate solution to solve the problem. This method of conflict resolution is appropriate since it prevents further conflicts or advancing the level of conflict to a level that will be difficult to solve. Additionally collaboration is effective since it ensures all parties that were involved are satisfied in terms of the decision made to solve the conflict. Quistion3 Nonverbal communication can be used to pass information even without us knowing it, especially about our personality, thus none verbal communication can be used to enhance our self-confidence for example when giving a speech or talking to a single individual maintaining eye contact this shows that you have a strong personality and also a sense of responsibility in terms of believing in yourself. Quistion4 The first type of perceptual processing is sound this is the ability to distinguish sounds by detecting vibrations using our ears. Secondly, we will define speech, and we can say that speech is the process by which the sound...
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...known as central auditory processing disorder (CAPD) is a hearing problem that affects about 5% of school-aged children. They may have a hard time tuning out background noise and find loud noises overwhelming. It may affect your ability to pinpoint a sound, tell which sound comes before another, distinguish similar sounds from one another (such as "seventy" and "seventeen") and enjoy music. DIAGNOSES: A pediatrician rules out other possibilities such as hearing loss related to an ear infection. A speech-language pathologist or school psychologist may also give your child tests that measure receptive language or listening comprehension skills as well as cognitive abilities. But only a trained audiologist can conduct the tests needed to make a diagnosis of APD. No matter how many symptoms of APD a child may have, only careful and accurate diagnostics can determine the underlying cause. It typically isn’t diagnosed until grade school, but there are some warning signs that can be detected in preschool. SIGNS AND SYMPTOMS: Auditory discrimination, auditory figure-ground discrimination, auditory memory, and auditory sequencing. Find it hard to follow spoken directions, especially multi-step instructions, saying “huh?” or “what?” often, easily distracted especially by background noise or loud and sudden noises, trouble with reading and spelling, they struggle with word math problems, trouble following conversation, poor musical ability, trouble learning songs or nursery rhymes...
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