FFT Unit for Delphi

This unit for Delphi provides routines that calculate the Fast Fourier Transform (FFT).

Features

• Native Delphi unit: No DLL, no ActiveX components.
• FFT and inverse FFT routines for any number of samples
• 
  (but if the number of samples is an exact power of 2, the faster power-of-2 FFT algorithm is used).
• Can be used for real and complex signals.
• FFFT (Fractional FFT) routines can provide any range of spectral lines (Zoom FFT).
• Many data windows (Parzen, Welch, Hann, Hamming, Blackman, FlatTop, ...).
• More data windows can be added by supplying user defined functions.
• Procedure to calculate Taylor windows.
• Auxiliary routines to handle complex and real signals, to calculate amplitude and phase and more.
• Help file that fully integrates into Delphi's OpenHelp system
• 
  (type 'FFT' in the editor and press F1 to get directly to the help page for the FFT function).
• The source code of the demo program is freely available to study the usage of the routines.
• The source code of the FFT unit is available.

Demo

• Download a demo version of the AHoFFT unit (dcu files for Delphi 4,5 and 6)
• Download the help file that accompanies the FFT unit.
• See the interface of the unit
• Download a demo program that uses the FFT unit

Order

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