CS3282 Digital Comms 9.1 2 May’06 / BMGC Multi-level digital modulation & demodulation. 9.1. Introduction: So far‚ in looking at carrier modulated data transmission‚ we have concentrated mainly on binary signalling using simple forms of ASK‚ FSK and PSK. With a suitable pulse-shape‚ binary signalling can achieve a bandwidth efficiency of up to 2 bits/second per Hz using real unipolar pulses (base-band equivalent of ASK) or real bipolar pulses (base-band equivalent of PSK) at base-band.
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P9-4A Wall Inc. uses the allowance method to estimate uncollectible accounts receivable. The company produced the following aging of the accounts receivable at year end. Number of Days Outstanding Total 0-30 31-60 61-90 91-120 Over 120 Accounts receivable $375‚000 $220‚000 $90‚000 $40‚000 $10‚000 $15‚000 % uncollectible 1% 4% 5% 8% 10% Calculate the total estimated bad debts based on the above information. Total Accounts receivable % uncollectible Estimated bad debts $375‚000 0-30 $220‚000 1% 31-60
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Reading in a Foreign Language ISSN 1539-0578 October 2010‚ Volume 22‚ No. 2 pp. 242–262 Repeated-reading-based instructional strategy and vocabulary acquisition: A case study of a heritage speaker of Chinese ZhaoHong Han and Cheng-ling Alice Chen Teachers College‚ Columbia University United States Abstract Repeated reading‚ a procedure involving repetition of the same text‚ has received copious attention from first language reading research providing highly converging evidence of its potency
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research methodology to ensure high levels of data quality and these characteristics guarantee a unique report. Synopsis CFM International‚ Inc. (CFM International) is a provider of CFM56 series of jet engines. It offers six engine models; CFM56-7B‚ CFM56-5C‚ CFM56-5B‚ CFM56-5A‚ CFM56-3 and CFM56-2. The companys products find applications in airlines and airframers. Its engines are used in Boeing 737s‚ Airbus A320s‚ DC8s and the AWACS. Over 520 airlines‚ charter operators‚ militaries and leasing
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were spread out at the town of Salem‚ Massachusetts. It was said that Abigail was dancing naked with Betty and others in the forest at night. Parris accused Abigail by saying “My daughter and my niece I discovered dancing like heathen in the forest” (p9.i.II). Abigail denied it by saying “Uncle we did dance; let ybigail said that they were just having fun and the only reason she has a bad name in town is because of Goody Proctor. Abigail told Parris “I will not have it said my name is soiled! Goody
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as the outside environment temperature changes. I also make the prediction that the ectotherm will have much lower metabolic rates than the endotherm. The procedures for this experiment are those that are referred to in Duncan and Townsend‚ 1996 p9-7. In our experiment however‚ each student group chose a temperature of either 5 C‚ 10 C‚ 15 C‚ or 20 C. Each group selected a crayfish‚ and placed it in an
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highlighted and‚ in such cases‚ we made sure that there would only be one object being highlighted. For Expanding Target technique‚ when the cursor pointed into a certain range surrounding the object‚ the object would be scaled up to make it bigger (Figure 7b). We implemented Sticky Ray by selecting the closest object to the current position of the
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My little place I was born and grown up in another country since childhood‚ but in the recent years I got a chance to travel and study in the US. At first‚ I didn’t pay any attention to the US government and its issues‚ until I take a government class. I started to have a strong interest in this subject. Here is a summary of the district I’m currently living on and its representative‚ and my interest on political issue. I’m currently living in the Texas’s 18th Congressional District. It is a small
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Auguste Bartholdi‚ it was built with the cooperation between French and American (Auchincloss P4).The French managed to solve the problem by dismantling the statue into three hundred and fifty pieces and packing them in two hundred and fourteen crates (P9). The pieces finally arrived in the New York Harbor in June 1885 (P1). The collaboration between the United States and France overcame all the difficulties and finished the construction successfully. The Statue of Liberty is
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effectiveness of these leadership approaches P7: (3.3.02): Explain the different motivational theories and their application within the workplace P8: (3.3.03): Assess the relationship between motivation theory and the practice of management P9: (3.4.01): describe the nature of groups and group behaviour within organisations P10: (3.4.02): Investigate the factors that lead to effective teamwork and the influences that threaten success P11 (3.4.03): Evaluate the impact of technology on
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