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The envelope of a sinusoid plus bandpass noise has __________

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The envelope of a sinusoid plus bandpass noise has __________

(a) Uniformly distributed

(b) Rayleigh

(c) Ricean

(d) Gaussian

This question was addressed to me in a national level competition.

The doubt is from Rayleigh and Ricean Distribution in portion Mobile Radio Propagation: Small – Scale Fading and Multipath of Wireless/Mobile

1 Answer

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Best answer
Right choice is (c) Ricean

The explanation: The envelope of a sinusoid plus bandpass noise has Ricean distribution. In probability theory, Ricean distribution is the probability distribution which has magnitude of a circular bivariate normal random variable with potentially non-zero mean.

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