RADIX 4 FFT TOOLBOX

THIS IS A COMPLETE TOOLBOX FOR RADIX 4 FFT AND IFFT. IT HAS BEEN SHOWN THAT IT IS FASTER COMPARED TO STANDARD DFT SAVING TIME AND COST.

Version 2.0 (66.9 KB)
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26 Sep 2020

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THIS CODE IS A TOOLBOX COMPRISING OF ALL THE COMPUTATIONAL CODES FOR DIT-FFT AND DIF-FFT ALONG WITH INVERSE FFT.
ALSO EFFICIENCY IS SHOWN. IT IS SHOWN THAT THIS METHOD SAVES COMPUTATIONAL COST AND TIME.
ALL FUNCTIONS ARE DOCUMENTED IN DETAIL.

THIS IS A RADIX 4 ALGORITHM.

SIGNAL IS ALSO RECONSTRUCTED WITH MINIMUM MEAN SQUARE ERROR.

RADIX_4_FFT.m is the MAIN FILE.
DIT_FFT_RAD4_DIMENSION.m is the UPDATED FILE.
THIS FILE CONTAINS THE FASTER VERSION OF RADIX 4 FFT ALGORITHM.
IT SUPPORTS DECIMATION IN TIME RADIX 4 FFT.

REST ALL ARE FUNCTIONS.

PLEASE NOTE-

FOR V2.0, THE UPDATED FILES NEED MOST OF THE FUNCTIONS OF THE TOOLBOX TO OPERATE. PLEASE DOWNLOAD ENTIRE TOOLBOX.

Cite As

Rohan Sanghavi (2026). RADIX 4 FFT TOOLBOX (https://www.mathworks.com/matlabcentral/fileexchange/79921-radix-4-fft-toolbox), MATLAB Central File Exchange. Retrieved .

General Information

MATLAB Release Compatibility

  • Compatible with R2009b and later releases

Platform Compatibility

  • Windows
  • macOS
  • Linux
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Version Published Release Notes
2.0

IN THIS UPDATED VERSION 4 NEW FILES ARE ADDED-

1. DIT_FFT_rad4_dim.m
2. DIT_IFFT_rad4_dim.m
3. zero_pad_dim2.m
4. DIT_FFT_RAD4_DIMENSION.m

THESE 4 FILES REQUIRE THE TOOLBOX TO OPERATE. THIS IS A FASTER VERSION OF RADIX 4 FFT AND IFFT.
1.0.0