Communication Signals and Systems Reference: Chapter 6‚ Communication Systems‚ 4th Edition. by Simon Haykin Institute of Communications Engineering National Sun Yat-sen University Table of Contents 4.1 Representation of Band-Pass Signals and Systems 4.1.1 Representation of Band-Pass Signals 4.1.2 Representation of Linear Band-Pass Systems 4.1.3 Response of a Band-Pass System to a Band-Pass Signal 4.1.4 Representation of Band-Pass Stationary Stochastic Processes 4.2 Signal Space Representations
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Secondhand Smoke Secondhand smoke is dangerous to anyone who breathes it in. There is no safe amount of it. Secondhand smoking is a problem that needs to be stopped because it affects the lives of many innocent people. What is secondhand smoke? According to the American Cancer Society‚ secondhand smoke is defined as‚ "environmental tobacco smoke (ETS). Secondhand Smoke is a mixture of 2 forms of smoke that come from burning tobacco: Sidestream smoke – smoke from the lighted end of a cigarette
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Name: Leung Chun Wai Student no.: G20554292 Topic: (NT3048) Smoke extraction design for large space such as atrium 1. INTRODUCTION Atrium inside a building is an old architectural concept for about two thousand years. This concept has been developed and extended to modern buildings. Current trend of atrium design provides an ‘ideal’ external environment to the occupants with a large undivided space. The major problem for fires in atrium is hot and toxic gases accumulating and go down in the atrium
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SECONDHAND SMOKE Secondhand smoke is defines as the smoke inhaled from a lit cigarette‚ cigar‚ or pipe‚ and the smoke exhaled by a smoker. Non-smokers that inhale second hand smoke actually breathes in almost the same amount of chemicals as a smoker. Tobacco smoke contains more than 4‚000 chemical compounds‚ more than 50 of which are known to cause cancer.6 Chemicals that cause cancer include: Arsenic‚ Benzene‚ Beryllium‚ Butadiene‚ Cadmium‚ Chromium‚ Ethylene Oxide‚ Nickel‚ Polohium-210
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Carlile V Carbolic Smoke ball Company is considered a landmark in English Law of Contract” Analyise the above statement by explaining the facts of the case and by discussing in detail three legal principles which were upheld in the case. In the late 1800’s it was common for English Businesses selling medicinal products to make promises about the various illnesses that their products could cure. One such firm The Carbolic Smoke Ball Company‚ created the “Smoke Ball’ which claimed
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Wireless Signals Michael Rubendall IT/242 February 25th 2013 Benny Lane Wireless Signals Wireless signals are all around us as we walk or drive around the city or town where we live. The four types of wireless technologies that are out there are Wi-Fi‚ Cellular‚ Bluetooth‚ and WiMAX. We will be looking at these types of wireless technologies a little more in depth‚ where are they most commonly used‚ and how they differ from one another. The first wireless technology that we
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in 1923‚ was a hand-cranked‚ manually operated mechanical semaphore signal.[7] His device had two key safety features: having an intermediate "all stop" signal state to give moving traffic time to stop before signaling cross traffic to proceed‚ and having a "half mast" position to indicate general caution at times when the device operator was not present.[7] There is no evidence to support the claim that Morgan’s traffic signal was ever put into service.[9][not in citation given] Despite claims
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ruin your life. It has to be one of the least healthiest things you can do. Smoking causes many different types of cancer and disease‚ such as lung cancer and heart disease‚ both can be fatal. To inspire cigarette smoke‚ even if inhaled by second-hand smoke (inhaling cigarette smoke from another person’s cigarette) can deteriorate your lungs. Smoking also causes loss of brain cells‚ which can be cause to serious injury later. Smoking also makes you look repulsive‚ almost unbearable to look at
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Signal Words--1 Signal Words* 1. Continuation Signals (Warning—there are more ideas to come.) and again a final reason last of all moreover other too also and finally furthermore likewise next secondly with another first of all in addition more one reason similarly 2. Change-of-Direction Signals (Watch out—we’re doubling back.) although despite however in spite of the opposite rather while but different from in contrast nevertheless on the contrary still though conversely even though instead
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Vehicle Density based Traffic Signal Light There has been a need to automatically control things from a distance depending on a certain timing logic. In recent past there had been many instances of accidents on the roads‚ at the crossings near the colonies for the fact that there were no streetlights ON in the night when the visibility of the driver is poor. Even at the junctions such as T-junction‚ Y-junctions or circle we should be able to distribute the traffic in such
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