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signal.Goertzel
Christian d'Heureuse edited this page Jun 6, 2026
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dsp-collection / signal/Goertzel
Discrete Fourier transform (DFT) with the Goertzel algorithm.
| Function | Description |
|---|---|
| goertzel | Computes the DFT of an array of real numbers and returns the complex result. |
| goertzelSingle | Computes the DFT on an array of real numbers for a single frequency. |
| goertzelSpectrum | Computes the complex spectrum of an array of real numbers. The result is the normalized lower half of the DFT. |