| 单词 | suppressed carrier |
| 释义 | > as lemmassuppressed carrier suppressed carrier n. Telecommunications a carrier wave part of which is removed from a signal prior to transmission and reintroduced at the receiver; frequently attributive. ΘΚΠ society > communication > telecommunication > [noun] > signal > frequency or band of frequencies > carrier carrier1911 suppressed carrier1921 subcarrier1953 1921 Trans. Amer. Inst. Electr. Engineers 40 243 (heading) Carrier telephone system with suppressed carrier. 1935 Proc. IRE 23 702 The high degree of frequency stability required for single side-band suppressed-carrier transmissions can be dispensed with by transmitting a pilot frequency over the channel. 1943 Electronic Engin. 15 339/2 If only one side-band is received, a local oscillator must supply the suppressed carrier frequency..before the detector stage. 1970 Single Sideband for Radio Amateur (Amer. Radio Relay League) (ed. 5) i. 7/2 The generation of a single-sideband..signal starts with the production of a ‘double-sideband suppressed-carrier’ signal. 2006 Communications Technol. (Nexis) 15 July The spike in the center of the display in Figure 4 is not ingress or intermodulation distortion—it's the digitally modulated signal's suppressed carrier. < as lemmas |
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