pengf1982 发表于 2006-8-15 19:00

求FFT的Fortran源程序及详细的使用方法

哪位大侠把FFT的Fortran源程序和详细的使用方法发一下，小弟急用，谢谢！

songzy41 发表于 2006-8-15 20:24

FFT的Fortran程序在好多书中有，这里列出一个，取自Brigham "The Fast Fourier Transform"一书的10.8。

风花雪月 发表于 2006-9-2 07:08

fortran的库中自带FFT程序

6.1. Real Trigonometric FFT
Forward transform................................................................ FFTRF 764
Backward or inverse transform............................................ FFTRB 768
Initialization routine for FFTR*................................................FFTRI 770
6.2. Complex Exponential FFT
Forward transform................................................................ FFTCF 772
Backward or inverse transform............................................ FFTCB 774
Initialization routine for FFTC*................................................FFTCI 777
6.3. Real Sine and Cosine FFTs
Forward and inverse sine transform..................................... FSINT 779
Initialization routine for FSINT.................................................FSINI 780
Forward and inverse cosine transform.................................FCOST 782
Initialization routine for FCOST.............................................FCOSI 784
6.4. Real Quarter Sine and Quarter Cosine FFTs
Forward quarter sine transform.............................................QSINF 786
Backward or inverse transform.............................................QSINB 788
Initialization routine for QSIN*................................................ QSINI 790
Forward quarter cosine transform.......................................QCOSF 791
Backward or inverse transform...........................................QCOSB 793
Initialization routine for QCOS* ............................................ QCOSI 795
6.5. Two- and Three-Dimensional Complex FFTs
Forward transform.................................................................FFT2D 797
Backward or inverse transform.............................................FFT2B 800
Forward transform.................................................................FFT3F 802
Backward or inverse transform.............................................FFT3B 806

lcc8321 发表于 2009-9-6 22:00

没有什么实际的帮助！

nmdb 发表于 2011-1-26 13:45

回复 4 # lcc8321 的帖子

是啊，发一个这个玩意给楼主，一点帮助都没有，你为什么要发呢？ 还占用版面，我真奇怪

风花雪月 发表于 2011-3-11 17:09

楼上的两位懒到这个地步，别人也只能无语了

Rainyboy 发表于 2011-3-11 17:12

回复 6 # 风花雪月 的帖子

前辈，好久不见！{:{02}:}
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