| http://www.w3.org/ns/prov#value | - Consequently, if the signal is sampled at the sampling frequency n2 f, if all of the resulting samples are summed to produce a first sum, if a sufficient number of the samples related to the frequency n1 f of the harmonic n1 are summed to produce a second sum, and if the average of the first sum is subtracted from the average of the second sum, the result is a quantity dependent primarily upon the
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