| 单词 | pulse-modulated |
| 释义 | > as lemmaspulse-modulated pulse-modulated adj. Telecommunications modulated by pulse modulation. ΘΚΠ society > communication > telecommunication > [adjective] > modulated frequency-modulated1936 phase-modulated1936 pulse-modulated1943 pulse-time-modulated1945 undermodulated1974 1943 Gloss. Terms Telecommunication (B.S.I.) 65 Pulse-modulated waves, recurrent wave-trains in which the duration of the trains is, in general, short compared with the time interval between them. 1967 J. Blish Star Trek 65 A weak signal with high impedance, pulse-modulated. 1983 New Scientist (BNC) 27 Jan. Radiation from VDUs at very low frequencies may give cause for concern... Some biologists suspect that these pulse-modulated radiations may be more harmful than unperturbed waves. < as lemmas |
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