| 单词 | automatic frequency control |
| 释义 | > as lemmasautomatic frequency control automatic frequency control n. the automatic stabilization of the frequency or tuning of a circuit; a means for achieving this; abbreviated AFC. ΘΚΠ society > communication > telecommunication > radio communications > radio equipment > [noun] > radio set > controls automatic frequency control1921 automatic volume control1924 automatic gain control1925 channel selector1931 fine tuner1965 1921 Physical Rev. 17 536 The tuning fork acts as an automatic frequency control of high precision. 1973 Gramophone Sept. 446 (advt.) AM/FM radio cassette recorder with 2 microphones including a built-in condenser mic. and automatic frequency control. 2007 L. Loverock in P. Mayles et al. Handbk. Radiotherapy Physics xi. 234 Automatic Frequency Control (AFC) is employed in all linacs to keep them operating at their intended frequencies. < as lemmas |
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