| 单词 | frequency-modulated |
| 释义 | > as lemmasfrequency-modulated frequency-modulated adj. ΘΚΠ society > communication > telecommunication > [adjective] > modulated frequency-modulated1936 phase-modulated1936 pulse-modulated1943 pulse-time-modulated1945 undermodulated1974 1936 R. S. Glasgow Princ. Radio Engin. xi. 314 In order for a phase- or a frequency-modulated signal to become audible, it must be converted into an amplitude-modulated signal. 1950 Gloss. Terms Radar (B.S.I.) 6 Frequency-modulated radar, a form of radar in which the radiated wave is frequency-modulated and the returning echo beats with the wave being radiated, thus enabling the range to be measured. < as lemmas |
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