Amplitude shift keying is a type digital Bandpass modulation used in digital communication. In this video, classification of various bandpass modulation techniques is described, including amplitude shift keying, frequency shift keying, phase shift keying, and quadrature amplitude modulation. Coherent detection of amplitude shift keying (ASK) is described in detail along with basis functions, correlator, matched filter, detection, threshold, constellation, symbol energy, PLL
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