home *** CD-ROM | disk | FTP | other *** search
/ Computerworld 1996 March / Computerworld_1996-03_cd.bin / idg_cd3 / aplikace / cad / wplot211 / fft.plt < prev    next >
Text File  |  1994-09-25  |  2KB  |  91 lines
  1. CLRDATA
  2. CLRPLOT
  3. close
  4.  
  5. TITLE Press TAB to plot Fast Fourier Transform of data
  6. XLABEL time
  7. YLABEL Sampled Data
  8. XSTART 0.
  9. XEND 6.
  10. XSTEP 0.
  11. XSTEP 1
  12. YSTART -1.
  13. YEND 2.
  14. YSTEP 0.
  15. READ 64
  16. 0       -0.0554
  17. 0.09375 -0.0022
  18. 0.1875   0.0477
  19. 0.28125 -0.0508
  20. 0.375    0.0499
  21. 0.46875 -0.0326
  22. 0.5625   0.0017
  23. 0.65625 -0.0757
  24. 0.75    -0.0138
  25. 0.84375  0.0270
  26. 0.9375  -0.0640
  27. 1.03125  0.1239
  28. 1.125    0.3474
  29. 1.21875  0.7214
  30. 1.3125   0.9143
  31. 1.40625  0.9951
  32. 1.5      0.9022
  33. 1.59375  0.9208
  34. 1.6875   0.7968
  35. 1.78125  0.5855
  36. 1.875    0.3463
  37. 1.96875  0.0603
  38. 2.0625  -0.0515
  39. 2.15625 -0.1161
  40. 2.25     0.0183
  41. 2.34375 -0.0145
  42. 2.4375   0.0287
  43. 2.53125 -0.1128
  44. 2.625    0.1132
  45. 2.71875 -0.1031
  46. 2.8125   0.0111
  47. 2.90625  0.0612
  48. 3       -0.0108
  49. 3.09375  0.0312
  50. 3.1875  -0.0694
  51. 3.28125  0.0784
  52. 3.375    0.0194
  53. 3.46875 -0.0676
  54. 3.5625   0.0157
  55. 3.65625  0.1158
  56. 3.75    -0.0783
  57. 3.84375 -0.0503
  58. 3.9375  -0.1135
  59. 4.03125  0.1079
  60. 4.125    0.4170
  61. 4.21875  0.5319
  62. 4.3125   0.7977
  63. 4.40625  0.9418
  64. 4.5      0.9536
  65. 4.59375  1.0214
  66. 4.6875   0.8758
  67. 4.78125  0.5414
  68. 4.875    0.4825
  69. 4.96875 -0.0086
  70. 5.0625  -0.0263
  71. 5.15625  0.0975
  72. 5.25    -0.0810
  73. 5.34375 -0.0529
  74. 5.4375  -0.0407
  75. 5.53125 -0.0991
  76. 5.625    0.0014
  77. 5.71875  0.0399
  78. 5.8125  -0.0421
  79. 5.90625  0.0244
  80. SCATTER
  81. PLOT
  82. * MESSAGE Please wait ...
  83. FFT 1
  84. PLOTFFT
  85. * MESSAGE Please wait ...
  86. TITLE Trigonometric fit using Fast Fourier Transform
  87. * LEGEND0 0.028 0.93 Note:_An_FFT_can_also_be_input_and_inverted.
  88. TITLE2 (An FFT can also be input and inverted)
  89. FFTFREQ 9
  90. PLOT
  91.