How MATLAB fft processes data which length is not equal to 2^p (p = 1,2,...)
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Can someone let me know "How MATLAB fft processes data which length is not equal to 2^p (p = 1,2,...)"?
More specifically if data length = n * 2^7 = n*128, when the length is not one of 2^p (p = 7,8,9, ...).
Thanks
Chen
2 件のコメント
Dyuman Joshi
2023 年 8 月 2 日
If I understood your query properly, this should help - More About section of the FFT Documentation
回答 (1 件)
Bruno Luong
2023 年 8 月 2 日
MATLAB FFT use FFT in the est library.
The reference here explain the algorithm http://www.fftw.org/fftw-paper-ieee.pdf
参考
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