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jvs:fscan:manual:chapter2:expression:sine [2014/05/01 14:16] voyvodic created |
jvs:fscan:manual:chapter2:expression:sine [2023/02/23 18:43] (current) |
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**fScan Reference Manual, Chapter 2 (CmdLineOptions: | **fScan Reference Manual, Chapter 2 (CmdLineOptions: | ||
===== Sine -- Generate images with sinusoidal time course values===== | ===== Sine -- Generate images with sinusoidal time course values===== | ||
- | | + | |
The SINE command generates an image data set with the same dimensions as the current active data set, setting the image intensity at each voxel to vary as a sinusoid in time, according to the function: | The SINE command generates an image data set with the same dimensions as the current active data set, setting the image intensity at each voxel to vary as a sinusoid in time, according to the function: | ||
- | Value = Amplitude * sine(T/Period*pi+Phase) | + | Value = Amplitude * sin(2*pi*(T-Phase)/Period) |
- | Where T is the time point index and " | + | Where T is the time point index and " |
T, Period, and Phase are all in units of time points (not secs). | T, Period, and Phase are all in units of time points (not secs). | ||