what is fftshift ?

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Jim
Jim am 18 Mai 2012
Hi,
What is fftshift command will do exactly?
Thanks in advance

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Wayne King
Wayne King am 18 Mai 2012
It shifts the DC (zero frequency component) to the center of the signal or image. Have you seen the explanation in the documentation?
http://www.mathworks.com/help/techdoc/ref/fftshift.html

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