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An analog signal, bandlimited to 20 Hz is corrupted by high-frequency noise. The spectrum of the...

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Electrical Engineering

An analog signal, bandlimited to 20 Hz is corrupted byhigh-frequency noise. The spectrum of the noise is from 25 Hz to 35Hz. The noisy analog signal is sampled at 60 Hz. A digital lowpassfilter is to be designed so as to remove the noise from the signal.Find the desired frequency response.

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4.4 Ratings (838 Votes)
Givenfm20Hzfs 60hzby nyquist criteriafs 2fmAbove condition satisfies the nyquistcriteriaNow at the detection sidewe have combination of analog message signal Nosie signaland    See Answer
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