1.

Noise with uniform power spectral density of Nω/H is passed through a filter H(ω) = 2 exp (-J ω ) followed by an ideal low pass filter of bandwidth B Hz. The output noise power in watts is

Answer» Output spectral power density = | H(ω) | x I/P spectral power density = 2 x 2N0 4N0 Output power = 4 N0B.


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