4. Signal processing
This section does not claim to provide an exhaustive overview of digital signal processing problems. It presents three examples to illustrate the concepts presented above and, why not, to inspire some to delve into the immense literature devoted to these subjects.
4.1 Interpolation and subsampling
Interpolation (sometimes incorrectly referred to as oversampling) by an integer factor M consists, for a sequence , in calculating (M – 1) intermediate values between two consecutive points in this sequence.
Subsampling, by an integer factor M, is in a way the...
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Signal processing
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