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Exam Questions Papers - Engineering
Q1: If the power spectral density of stationary random process is a sine-squared function of frequency, the shape of its autocorrelation isA ![]() B ![]() C ![]() D ![]() ANS:B - ![]() Since autocorrelation function and power spectral density bears a Fourier transform relation, then since required in frequency domain will five rectangular convolutions in time domain thus it is triangular function. |


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