Assume that a data stream d(t) consists of a random (coin-toss) sequence of + 1s and -1s
Question:
(a) Find and sketch the power spectral density for an ASK-modulated signal given by
where θ is a uniform random variable in (0, 2Ï].
(b) Use the result of Problem 9.21(a) to compute and sketch the power spectral density of a PSK-modulated signal given by
for the three cases m = 0,0.5, and 1.
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Related Book For
Principles of Communications Systems, Modulation and Noise
ISBN: 978-8126556793
7th edition
Authors: Rodger E. Ziemer, William H. Tranter
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