英语词汇“guard band”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

guard band n. (a) Telecommunications one of the frequency bands on either side of a communication band which serve to protect it from interference from adjacent communication bands; (b) a strip separating neighbouring recording tracks on magnetic tape.

ΘΚΠ

society > communication > record > recording or reproducing sound or visual material > [noun] > tape > strip separating neighbouring recording tracks

guard band1956

society > communication > telecommunication > [noun] > signal > frequency or band of frequencies > band of frequencies

sideband1921

frequency band1922

passband1922

waveband1923

S-band1946

baseband1952

guard band1956

vestigial side band1966

1956 W. C. Michels et al. Internat. Dict. Physics & Electronics 79/1 Interference guard bands.

1958 H. G. M. Spratt Magn. Tape Recording viii. 219 The centre 0·05 in. wide strip is left as a guard band and reduces the possibilities of cross~talk.

1960 J. L. Bernstein Video Tape Recording v. 91 When a signal track slips off the playback gap so that ⅓ of the gap length is covered by a guard band, the noise level increases by 3 db.

1960 M. S. Kiver F-M Simplified (ed. 3) i. 8 Each station..is assigned a bandwidth of 200 kc. Of this 200-kc bandwidth, 150 (±75) kc is to be employed for the modulation and the remaining 50 (±25) kc is to function as a guardband.

单词	guard band
释义	> as lemmas guard band guard band n. (a) Telecommunications one of the frequency bands on either side of a communication band which serve to protect it from interference from adjacent communication bands; (b) a strip separating neighbouring recording tracks on magnetic tape. ΘΚΠ society > communication > record > recording or reproducing sound or visual material > [noun] > tape > strip separating neighbouring recording tracks guard band1956 society > communication > telecommunication > [noun] > signal > frequency or band of frequencies > band of frequencies sideband1921 frequency band1922 passband1922 waveband1923 S-band1946 baseband1952 guard band1956 vestigial side band1966 1956 W. C. Michels et al. Internat. Dict. Physics & Electronics 79/1 Interference guard bands. 1958 H. G. M. Spratt Magn. Tape Recording viii. 219 The centre 0·05 in. wide strip is left as a guard band and reduces the possibilities of cross~talk. 1960 J. L. Bernstein Video Tape Recording v. 91 When a signal track slips off the playback gap so that ⅓ of the gap length is covered by a guard band, the noise level increases by 3 db. 1960 M. S. Kiver F-M Simplified (ed. 3) i. 8 Each station..is assigned a bandwidth of 200 kc. Of this 200-kc bandwidth, 150 (±75) kc is to be employed for the modulation and the remaining 50 (±25) kc is to function as a guardband. extracted from guardn. < as lemmas
随便看	to be on the panel to be on the rack to be on the rag to be on the receiving end to be on the right or wrong side of the hedge to be on the roister to be on the roud to be on the safe side to be on the safer or wrong side of the hedge to be on the same page to be on the same wavelength to be on the scene to be on the street to be on the streets to be on the sure side to be on the sure side of the hedge to be on the tenter(s to be on the tenterhooks to be on the top ropes to be on the warpath to be on the weigh-scales to be on the weighscales to be on the wrong side of a person to be on the —— side to be on thorns

> as lemmas