A range of frequencies or wave-lengths that falls between two given limits; = waveband n. at wave, n. compounds 2. Also in combinations, as band-…
| 单词 | θ78599 |
| 释义 | the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > filter > type of (6) band-pass filter1922 A range of frequencies or wave-lengths that falls between two given limits; = waveband n. at wave, n. compounds 2. Also in combinations, as band-… slope filter1937 a filter whose response increases or decreases more or less uniformly over the frequency range in which it is used. comb filter1941 (see quot. 1960). state variable1942 (a) Physics = state function, n. 3; (b) gen. each of a number of quantities that together define mathematically the state of a system; (c) Electronics… noise filter1960 a filter for selectively reducing noise. notch filter1962 a filter that attenuates signals within a very narrow band of frequencies. |
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