空間周波数
1. Spatial frequencyIn 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.
Read “Spatial frequency” on English Wikipedia
Read “空間周波数” on Japanese Wikipedia
Read “Spatial frequency” on DBpedia
Read “Spatial frequency” on English Wikipedia
Read “空間周波数” on Japanese Wikipedia
Read “Spatial frequency” on DBpedia
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