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User Documentation |
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SUMMARY: fields | routine DETAILS: routine | ||||||||||
./guide powspec.pro
powspec |
procedure powspec[, index] |
Compute the power spectrum for the indicated data container, which is overwritten with the result. Uses dcfft to do the fft. This is simply the sum of squares of the real and imaginary parts of the fft on the data.
Use to get the power spectrum for a non-global data container.
Parameters | |
index |
The data container to use for both input and output. |