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Principles of Communication Engineering Explain Differential Pulse Code Modulation (DPCM) with a neat block diagram.20257mPrinciples of Communication Engineering Compare Pulse Amplitude Modulation (PAM), Pulse Position Modulation (PPM) and Pulse Code Modulation (PCM) with their applications.20247mPrinciples of Communication Engineering Which of the following is an advantage of PCM over analog modulation techniques? (i) Requires less bandwidth (ii) Higher noise immunity (iii) Simpler receiver design (iv) Lower power requirements20242mPrinciples of Communication Engineering Which modulation uses the position of a pulse to convey information? (i) PAM (ii) PCM (iii) PPM (iv) PWM20252m
PreviousA carrier signal c(t) = 10cos(2π x 10^6t) is amplitude modulated by a message signal m(t)= 5 cos(2πx10^3t). Determine the modulation index and sketch the frequency spectrum.NextCompare Amplitude Modulation (AM) and Frequency Modulation (FM) in terms of bandwidth, power efficiency, and noise immunity.