Which of the following is defined as the range of frequencies over which the signal has a non zero power spectral density?
|A.||null to null bandwidth|
|B.||half power bandwidth|
|C.||3 db bandwidth|
|Answer» D. absolute bandwidth|
|Explanation: the absolute bandwidth is defined as the range of frequencies over which the signal has a non-zero power spectral density. for symbols represented as rectangular baseband pulses, the psd profile extends over an infinite range of frequencies, and has an absolute bandwidth of infinity.|
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