High Quality Content by WIKIPEDIA articles In mathematics, physics,
and engineering, spatial frequency is a characteristic of any
structure that is periodic across position in space. The spatial
frequency is a measure of how often sinusoidal components (as
determined by the Fourier transform) of the structure repeat per
unit of distance. The SI unit of spatial frequency is cycles per
meter. In image processing applications, spatial frequency is often
expressed in units of cycles per millimeter and sometimes
incorrectly in units of line pairs per millimeter (incorrect since
a line pair may describe a square wave but not a sinusoidal wave).
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|Country of origin:
• Ronald Cohn
||279 x 210 x 4mm (L x W x T)
||Paperback - Trade
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