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Changeset 364


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Timestamp:
Mar 31, 2004, 11:23:34 PM (22 years ago)
Author:
Paul Price
Message:

Removed psFFTFilter functions. Placing those in the design.

File:
1 edited

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  • trunk/doc/pslib/psLibADD.tex

    r356 r364  
    1 %%% $Id: psLibADD.tex,v 1.10 2004-04-01 08:29:31 eugene Exp $
     1%%% $Id: psLibADD.tex,v 1.11 2004-04-01 09:23:34 price Exp $
    22\documentclass[panstarrs]{panstarrs}
    33
     
    596596\paragraph{More Complicated Functions}
    597597
    598 The \code{psFFTFilter()} and \code{psFFTFilterComplex()} functions provide
    599 the means to apply a filter (purely real and imaginary multipliers,
    600 respectively) to the data in the Fourier plane.  If the filter
    601 function specified for \code{psFFTFilter()} returns a real value, $r$,
    602 then the corresponding value in the Fourier plane should be multiplied
    603 by $r$.  If the real and imaginary filter functions specified for
    604 \code{psFFTFilterComplex()} return the values $r$ and $s$, respectively,
    605 then the corresponding value in the Fourier plane should be multiplied
    606 by the complex number $r + si$.
    607 
    608598\code{psFFTCrossCorrelate()} and \code{psFFTConvolve()} both involve
    609599multiplication of two Fourier transforms.  In the former, the first
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