signal.Goertzel.Function.goertzel

dsp-collection / signal/Goertzel / goertzel

Function: goertzel()

function goertzel(x): ComplexArray;

Defined in: signal/Goertzel.ts:50

Computes the DFT of an array of real numbers and returns the complex result.

Parameters

x

ArrayLike<number>

The input values (samples).

Returns

ComplexArray

An array of complex numbers. It has the same size as the input array. The upper half of the array contains complex conjugates of the lower half.