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--- jvs:fscan:manual:chapter2:fft [2011/03/31 14:49]
127.0.0.1 external edit
+++ jvs:fscan:manual:chapter2:fft [2023/02/23 18:43] (current)
@@ Line 1: / Line 1: @@
 **fScan Reference Manual, Chapter 2 (CmdLineOptions): fft**
 ===== FFT -- Perform a fast Fourier transform (FFT)=====
-**usage:**-fft freq out ptype fratio
+**usage:**
+  * -fft ncycles flag name wsiz
+  * -fft magnitude ncycles flag name wsiz
+  * -fft phase ncycles flag name wsiz
+  * -fft spectrum 0 flag name wsiz
+  * -fft imaginary flag name wsiz
+  * -fft real flag name wsiz
+  * -fft complex flag name wsiz
+  * -fft images 0 flag name wsiz
+   -fft      ncycles flag name wsiz			-power and phase at NCYCLES freq
+   			power: Fi = POWERi / SUM(POWER) * 10000  (Fratio)
+   -fft      'magnitude' ncycles flag name wsiz	-power magnitude at NCYCLES freq
+   -fft      'phase' ncycles flag name wsiz		-phase map (360	deg) at NCYCLES
+   -fft      'spectrum' 0 flag name wsiz			-1D fft of each time course
+   -fft      'images' 0 flag name wsiz			-2D fft of each image
 ===== =====

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