| 单词 | frequency changer |
| 释义 | > as lemmasfrequency changer frequency changer n. a machine, circuit, or component that changes an alternating current of one frequency into one of another frequency; spec. in a superheterodyne receiver, the circuit or component that combines the incoming signal with that from the local oscillator to produce the intermediate frequency. ΘΚΠ society > communication > telecommunication > [noun] > signal > frequency or band of frequencies > frequency changer frequency changer1902 frequency converter1909 1902 S. Sheldon & H. Mason Alternating-current Machines vii. 157 The synchronous motor necessary to drive the frequency changer. 1965 BBC Handbk. 116 For best results on short waves, a receiver should incorporate a tuned radio-frequency amplifier preceding the frequency-changer stage. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。