The best formulae for the approximate computation of discrete Fourier transforms (Q1311551)
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scientific article; zbMATH DE number 486835
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The best formulae for the approximate computation of discrete Fourier transforms |
scientific article; zbMATH DE number 486835 |
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The best formulae for the approximate computation of discrete Fourier transforms (English)
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3 March 1994
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Best approximating formulae with bounded \(L_ 2\)-norm of a finite difference of \(r\)th order is given to compute discrete Fourier transforms for complex-valued periodic signals. The mathematical basis of this proposal is on the use of discrete Bernoulli functions.
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best approximation with \(L_ 2\)-norm
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discrete Fourier transform
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periodic signals
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discrete Bernoulli functions
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