Institute Of Engineering Studies (IES‚Bangalore) Formulae Sheet in ECE/TCE Department Communication Systems Amplitude Modulation : DSB-SC : u (t) = m(t) cos 2π t Power P = Conventioanal AM : u (t) = [1 + m(t)] Cos 2π t . as long as |m(t)| ≤ 1 demodulation is simple . Practically m(t) = a m (t) . () () Modulation index a = ( ) ‚ m (t) = | ( )| Power = + SSB-AM : → Square law Detector SNR = () Square law modulator ↓ = 2a / a → amplitude Sensitivity Envelope Detector R C (i/p) < < 1 / ≥ Frequency
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Tennessee Williams play “Cat on a Hot Tin Roof” is a story that captures a family with problems hidden behind many lies. The setting of the story on a plantation farm in Mississippi on Big Daddy’s‚ the Father of the main characters‚ beautiful estate. Each character in the play desires something completely different. The focus is going to be on Maggie the so called “Cat.” Maggie is driven to have the perfect life with her husband‚ Brick‚ and wanted children on her father-in-laws beautiful estate she
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"Tin Pan Alley" was the nickname given to the street where many music publishers worked during the period of 1880 to 1953. In the late 19th century‚ New York had become the epicenter of songwriting and music publishing‚ and publishers converged on the block of West 28th Street between Broadway and Sixth Avenue in Manhattan. There are several stories about how the block got its name. One that is often repeated tells of a reporter for the New York Herald who was hired to write about the new business
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6 – Empirical Formula of a Compound INTRODUCTION Chemical formulas indicate the composition of compounds. A formula that gives only the simplest ratio of the relative number of atoms in a compound is the empirical formula or simplest formula. The ratio usually consists of small whole numbers. We call a formula that gives the actual numbers of each type of atom in a compound the molecular formula. The numbers in a molecular formula will be whole number multiples of the numbers in an empirical formula
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CHAPTER 1 – Do You Know About Storks? 1. How many children go to the school in Shora? 2. Who is the biggest of the schoolchildren? 3. The author says ‘we really should have started with Lina’. Why does he say that is? 4. What lesson does Lina interrupt to tell the teacher and the class about her story? 5. Why is Lina interested in storks? 6. What do the boys know about storks? 7. What task does the teacher set for the children to do? 8. Why do you think
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Alcoholism: Supported by Empirical Research Ellie Smith Vanderbilt University Abstract Globally‚ alcohol abuse disorders have become a problem for seventy-six million people (Orford‚ Natera‚ Copello‚ Atkinson‚ 2005). Addiction is a disease‚ not merely a social disorder. The disease not only affects the inflicted individuals‚ but can also be detrimental to family members and the greater community. Causes of addiction can be grouped into three categories: psychological traits
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Chebyshev’s Theorem and The Empirical Rule Suppose we ask 1000 people what their age is. If this is a representative sample then there will be very few people of 1-2 years old just as there will not be many 95 year olds. Most will have an age somewhere in their 30’s or 40’s. A list of the number of people of a certain age may look like this: |Age |Number of people | |0 |1 | |1 |2 | |2 |3
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Formula One In May 2009 Max Mosley‚ then President of the Federation Internationale de l’Automobile (FIA)‚ declared that “the sport could survive without Ferrari.”1 Incensed by such brazen disregard of the team’s influence and further angered by proposed changes to the competition’s format‚ Ferrari announced that it did not intend “to enter its cars in the next Formula One world championship.”1 By June‚ eight of the ten F1 teams had declared their intention to join Ferrari’s breakaway championship
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Empirical Rationalism claims that it can be clearly observed that a person’s moral judgements come directly from his or her rational capacity. In other words‚ it claims that based on observation‚ it is evident that our moral judgements come from reason. This opposes to sentimentalists’ theories which claim that our moral judgments come from our emotions. Shaun Nichols affirms that research done on psychopaths proves empirical rationalism wrong. For example‚ he states that psychopaths’ ability to
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Cost‚ Volume‚ and Profit Formulas All businesses require becoming profitable or at some point they will fail. Accounting plays an essential role in determining if the company will become successful and continue to do so over time. Using well-defined formulas in order to assess the exact numbers will facilitate the actions a company needs to carry out in order to maintain its goals. The accounting department would look at the cost-volume-profit analysis to concentrate on the different components
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