data.txt

快速傅立叶变换源程序

输出时域卷积记录：                                                                           

------------------                                                                   

   0     0.000000                                                                         
   1     0.000000                                                                          
   2     0.000000                                                                               3     0.000000
   4     0.000000
   5     0.000000
   6     0.000000
   7     0.000000
   8     0.000000
   9     0.000000
  10    -0.046300
  11    -0.092089
  12    -0.141223
  13    -0.152296
  14    -0.076707
  15     0.089734
  16     0.182089
  17     0.173715
  18     0.000381
  19    -0.201805
  20    -0.223546
  21     0.019480
  22     0.377015
  23     0.577911
  24     0.471938
  25     0.145319
  26    -0.199461
  27    -0.372237
  28    -0.357367
  29    -0.220117
  30    -0.037355
  31     0.154698
  32     0.200000
  33     0.211581
  34     0.164414
  35     0.129669
  36     0.100080
  37     0.043967
  38    -0.102351
  39    -0.383989
  40    -0.564089
  41    -0.641302
  42    -0.556480
  43    -0.278718
  44     0.185287
  45     0.684005
  46     0.944170
  47     0.795696
  48     0.328261
  49    -0.102252
  50    -0.326752
  51    -0.328683
  52    -0.234169
  53    -0.117735
  54     0.000000
  55     0.000000
  56     0.000000
  57     0.000000
  58     0.000000
  59     0.000000
  60     0.000000
  61     0.000000
  62     0.000000
  63     0.000000
After iFFT Sbuf 输出两波信号的傅立叶变换乘积的逆变换结果:

-------------------------------------------------------

   0     -0.000000      0.000000
   1      0.000000      0.000000
   2      0.000000      0.000000
   3      0.000000     -0.000000
   4      0.000000     -0.000000
   5      0.000000     -0.000000
   6      0.000000      0.000000
   7     -0.000000     -0.000000
   8      0.000000     -0.000000
   9     -0.000000     -0.000000
  10     -0.046300      0.000000
  11     -0.092089      0.000000
  12     -0.141223     -0.000000
  13     -0.152296      0.000000
  14     -0.076707      0.000000
  15      0.089734      0.000000
  16      0.182089      0.000000
  17      0.173715      0.000000
  18      0.000381      0.000000
  19     -0.201805      0.000000
  20     -0.223546      0.000000
  21      0.019480      0.000000
  22      0.377015      0.000000
  23      0.577911      0.000000
  24      0.471938     -0.000000
  25      0.145319     -0.000000
  26     -0.199461     -0.000000
  27     -0.372237     -0.000000
  28     -0.357367     -0.000000
  29     -0.220117     -0.000000
  30     -0.037355      0.000000
  31      0.154698     -0.000000
  32      0.200000     -0.000000
  33      0.211581      0.000000
  34      0.164414      0.000000
  35      0.129670      0.000000
  36      0.100080      0.000000
  37      0.043967      0.000000
  38     -0.102351      0.000000
  39     -0.383989     -0.000000
  40     -0.564089     -0.000000
  41     -0.641302      0.000000
  42     -0.556480     -0.000000
  43     -0.278717      0.000000
  44      0.185287     -0.000000
  45      0.684005     -0.000000
  46      0.944170     -0.000000
  47      0.795696     -0.000000
  48      0.328261      0.000000
  49     -0.102252      0.000000
  50     -0.326752      0.000000
  51     -0.328683      0.000000
  52     -0.234169      0.000000
  53     -0.117735      0.000000
  54      0.000000     -0.000000
  55     -0.000000      0.000000
  56     -0.000000      0.000000
  57     -0.000000      0.000000
  58     -0.000000     -0.000000
  59     -0.000000     -0.000000
  60     -0.000000     -0.000000
  61     -0.000000     -0.000000
  62     -0.000000     -0.000000
  63      0.000000      0.000000