has it any TA by usung FFT ?

handada

I stiil believe that using FFT is more better, FFT can be used as Filter, remove noise frequencies, keep part of main freqencies, then DFFT.

Here is one of example :
       http://www.dax-prognose.de/index ... 1=840400&dt=200

southware

FFT？fast Fourier transform？