| 单词 | notch filter |
| 释义 | > as lemmasnotch filter notch filter n. Electronics a filter that attenuates signals within a very narrow band of frequencies. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > filter > type of band-pass filter1922 slope filter1937 comb filter1941 state variable1942 noise filter1960 notch filter1962 1950 Electronics July 75/3 (heading) Notching filters.] 1962 Electronic Technol. 39 332/1 At v.h.f. it is desirable to construct notch filters from coaxial elements. 1988 V. Capel Audio & Hi-Fi Engineer's Pocket Bk. 120 The inclusion of a 19kHz pilot-tone notch filter may slightly reduce the upper response. < as lemmas |
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