£sd Record Coft
نویسندگان
چکیده
In many computer-implemented signal-processing systems, it is necessary to perform numerical integrations. If the function to be integrated is a band-limited time signal represented by a set of samples, serious distortion can occur if the wrong integration technique is used. In particular, if the integration is used to calculate a Fourier transform, large error sidelobes will be introduced if Simpson's rule or other higher-order rules are used. It is shown that the rectangular rule introduces no distortion and gives a result which is consistent with the number of samples.
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