fftshift {waved}R Documentation

Shift Fourier frequencies

Description

rearranges the outputs of fft by moving the zero-frequency component to the center of the array

Usage

fftshift(y)

Arguments

y

A vector

Value

Rearranged version of the vector $y$

Author(s)

Marc Raimondo

References

Raimondo, M. and Stewart, M. (2007), ‘The WaveD Transform in R’, Journal of Statistical Software.

See Also

fft

Examples

 print(fftshift(1:5))

[Package waved version 1.3 Index]