about spatial Fourier decomposition

From: liping deng (lipingdengff AT XXXXXX)
Date: Tue Apr 20 2004 - 18:55:57 MDT

hello!

I have a easy question , I want to get long wave(1-3)
and short wave(4-) by spatial Fourier decomposition ,
do NCL have a function can do this?
x(lat ,lon)---> xwave

Thanks for any suggestion!

Best wishes!
liping

        
                
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