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In Section 3.7 we described line codes for pulse-code modulation In Section 3.7 we described line codes for pulse-code modulation. Referring to the material presented therein, formulate the signal constellations for the following line codes: (a) Unipolar nonreturn-to-zero code (b) Polar nonreturn-to-zero code (c) Unipolar return-to-zero code (d) Manchester code Is this the question you […]

1. Dillner Company uses an activity-based costing system with three activity cost p 1. Dillner Company uses an activity-based costing system with three activity cost pools. The company has provided the following data concerning its costs and its activity based costing system: The “Other” activity cost pool consists of the costs of idle capacity and […]

Single-sideband modulation may be viewed as a hybrid form of Single-sideband modulation may be viewed as a hybrid form of amplitude modulation and frequency modulation. Evaluate the envelope and instantaneous frequency of an SSB wave for the following two cases: (a) When only the upper sideband is transmitted. (b) When only the lower sideband is […]

A DSB-SC modulated signal is demodulated by applying it to a A DSB-SC modulated signal is demodulated by applying it to a coherent detector. (a) Evaluate the effect of a frequency error ?A? in the local carrier frequency of the detector, measured with respect to the carrier frequency of the incoming DSB-SC signal. (b) For […]

A DPCM system uses a linear predictor with a single A DPCM system uses a linear predictor with a single tap. The normalized autocorrelation function of the input signal for a lag of one sampling interval is 0.75. The predictor is designed to minimize the prediction error variance. Determine the processing gain attained by the […]

1. The Corporate Responsibility Report 2010 of Coca-Cola Amatil Company is at http: 1. The Corporate Responsibility Report 2010 of Coca-Cola Amatil Company is at http://ccamatil.com/InvestorRelations/AnnualReports/2009/2010 Sustainability Report.pdf. It mentions four global pillars. Required: Discuss the strategies, programs, and targets of the company in relation to each of those global pillars, as mentioned in the […]

A discrete memory less source has an alphabet of seven A discrete memory less source has an alphabet of seven symbols whose probabilities of occurrence are as described here: Symbol s0 s1s2s3s4s5s6 Probability 0.25 0.25 0.125 0.125 0.125 0.0625 0.0625 Compute the Huffman code for this source, moving a ?ocombined?? symbol as high as possible. […]

A direct sequence spread binary phase-shift keying system uses a A direct sequence spread binary phase-shift keying system uses a feedback shift register of length 19 for the generation of the PN sequence. Calculate the processing gain of the system. Is this the question you were looking for? If so, place your order here to […]

14. Tolla Company is estimating the following sales for the first six months of nex 14. Tolla Company is estimating the following sales for the first six months of next year: January $350,000 February $300,000 March $320,000 April $410,000 May $450,000 June $470,000 Sales at Tolla are normally collected as 70 percent in the month […]

Let X1, X2, . . , Xn denote the elements of a Gaussian vector Let X1, X2, . . , Xn denote the elements of a Gaussian vector X. The Z are independent with mean Âľi and variance s2i, i = 1, 2,. . . , n. Show that the differential entropy of the vector […]