Fixed Point Radix-4 FFT
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Radix-4 FFT Test Script
This file runs three versions of a Radix-4 FFT written in MATLAB:
radix4FFT1_Float.m computes a radix-4 FFT for floating point data types
radix4FFT2_FixPt.m computes a fixed point radix-4 FFT (requires Fixed Point Toolbox)
radix4FFT3_FixPtEML.m is an Embedded MATLAB version of the radix-4 FFT that can be used in Simulink. You can also generate C code for this code (using Real Time Workshop). This version can also be compiled into a MEX'd executable that runs significantly faster than the fixed point code.
For a description of the radix-4 FFT algorithm see the following link to DSPDesignLine.com:
http://www.dspdesignline.com/showArticle.jhtml;jsessionid=5DBROAJQ3SIWCQSNDLOSKHSCJUNN2JVN?articleID=204400676&queryText=freescale+fft ://http://www.dspdesignline.com/showAr...=freescale+fft
Free download from Shareware Connection - This file runs three versions of a Radix-4 FFT written in MATLAB
Version: 1.0 | Size: 61 KB | Platform: Matlab, Scripts
Released Date: 08-01-2013 | Rating: 0 | Title: Fixed Point Radix-4 FFT
Author Url: http://www.mathworks.com/
Program Info Url: http://www.mathworks.com/
Download Url: http://www.mathworks.com/matlabcentral/fx_files/22326/1/radix4.zip
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