| 释义 | spatial frequency
 spatial frequencyn  (Electronics) television the measure of fine detail in an optical image in terms of cycles per millimetre EncyclopediaSeeinductionspatial frequency
 frequency, spatialThe rate of alternation of the luminance in a visual stimulus as a function of length, usually expressed in cycles per degree. See cycle per degree; Fourier analysis; contrast sensitivity function.LegalSeeInduction |