The processing of random data is always an elaborate method for producing a new random number, or numbers. For instance, estimating a mean of a set of random data means adding up the numbers and then dividing by the number of points used. Every time this process is performed with a different sample from the random data set, a different number is attained. In a similar fashion, estimating the bandwidth of a random signal would vary from estimate to estimate if a new data set is used each time.
KeywordsCovariance Autocorrelation Convolution
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