What is the required sampling frequency if there is to be a
A message has a bandwidth of 4 kHz. If the signal is to be sampled for PCM,
(a) what is the minimum sampling frequency to avoid aliasing?
(b) what is the required sampling frequency if there is to be a guard band of 2.5 kHz?
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a message has a bandwidth of 4 khz if the signal is to be sampled for pcma what is the minimum sampling frequency to
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