FFTW 是用 C 語言寫成的函式庫，用以計算 DFT 轉換。輸入的訊號可以是任意長度，可以是實數型式或是複數型式的訊號。相較之下 FFTW 則是採用 GNU General Public License 授權，比較可以放心使用。

Packet : fftw-3.2.2.pl1-dll32.zip filelist
libfftw3-3.dll
libfftw3f-3.dll
libfftw3l-3.dll
bench.exe
benchf.exe
benchl.exe
fftw-wisdom.exe
fftwf-wisdom.exe
fftwl-wisdom.exe
libfftw3-3.def
libfftw3f-3.def
libfftw3l-3.def
fftw3.f
fftw3.h
README
COPYING
COPYRIGHT
NEWS
README-WINDOWS
README-bench

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．