swdft_fftw {swdft}

Sliding Window Discrete Fourier Transform using fftw

Description

Sliding Window Discrete Fourier Transform using fftw

Usage

swdft_fftw(x, n, taper)

Arguments

x

real or complex vector

n

integer window size.

taper

length n vector to multiply against the input data for each window position

Value

n x P array, where P = length(x) - n + 1