An analog signal has a duration of 1 minute. The spectral content ranges from near dc to 500 Hz. The signal is to be sampled, converted to digital format, and stored in memory for subsequent processing. To assist in recovery, the sampling rate is chosen to be 25% above the theoretical minimum. (a) Determine the minimum number of samples that must be taken if reconstruction is desired. (b) Determine the time interval between successive samples.

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An analog signal has a duration of 1 minute. The
content ranges from near dc to 500 Hz. The signal is to
be sampled, converted to digital format, and stored in
memory for subsequent processing. To assist in recovery,
the sampling rate is chosen to be 25% above the
theoretical minimum. (a) Determine the minimum
number of samples that must be taken if reconstruction
is desired. (b) Determine the time interval between
successive samples.
8-9
spectral
Transcribed Image Text:An analog signal has a duration of 1 minute. The content ranges from near dc to 500 Hz. The signal is to be sampled, converted to digital format, and stored in memory for subsequent processing. To assist in recovery, the sampling rate is chosen to be 25% above the theoretical minimum. (a) Determine the minimum number of samples that must be taken if reconstruction is desired. (b) Determine the time interval between successive samples. 8-9 spectral
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