单词 | flicker-fusion frequency |
释义 | > as lemmasflicker-fusion frequency flicker-fusion frequency n. the lowest rate of variation at which flicker is not perceptible; also called critical flicker (also fusion) frequency. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > [noun] > state of equilibrium photoequilibrium1906 flicker fusion1936 flicker-fusion frequency1944 1944 Federation Proc. (Federation Amer. Soc. Exper. Biol.) 3 6 (heading) Changes in flicker fusion frequency (F.F.F.) under experimental stress. 1962 H. C. Weston Sight, Light & Work (ed. 2) v. 161 The fluctuation in light output of electric lamps caused by a 50-cycle alternating current..is faster than the usual ‘flicker fusion frequency’ for the bright-adapted eye. < as lemmas |
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