| 单词 | pilot tone |
| 释义 | > as lemmaspilot tone pilot tone n. see sense A. 8. pilot tone 8. Telecommunications. More fully pilot tone. An unmodulated reference signal transmitted with another signal for purposes of control or synchronization; = pilot signal n. 2b. ΘΚΠ society > communication > telecommunication > [noun] > signal > types of pilot1935 back scatter1957 pilot signal1968 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. 1957 D. G. Fink Television Engin. Handbk. xviii. 31 The L3 system makes use of six pilots for dynamic regulating and equalizing purposes. These are 308, 556, 2,064, 3,096, 7,266, and 8,320 kc. 1966 M. Schwartz et al. Communication Syst. & Techniques xi. 492 One technique for monitoring the channel state in a digital signaling system would be to transmit a pilot tone (unmodulated tone) along with the information-bearing waveforms. 1993 What Hi-Fi? Oct. 40 You could be suffering from what's called Pilot Tone interference, caused by the tuner upsetting the tape deck's biasing. 2000 IEEE Trans. Signal Processing 50 1215/1 Distinct precoders require half the number of pilots than identical precoders to achieve the same channel estimation accuracy. < as lemmas |
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