单词 | s-band |
释义 | > as lemmasS-band 12. S-band: the range of microwave frequencies between 1550 and 5200 megahertz, used for radio communication and radar. ΘΚΠ 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 1946 Radar: Summary Rep. & Harp Project (U.S. National Defense Res. Comm., Div. 14) 143/2 S-band. Refers to wave~lengths of the order of 10 cm. 1952 J. F. Reintjes & G. J. Coate Princ. Radar (ed. 3) i. 33 Radar equipment operating..in the S, X, and K bands is called microwave radar. 1965 R. F. Filipowsky & E. I. Muehldorf Space Communications Techniques ii. 111 S-band high power transmitters in the 2000 to 2400 Mc range are being provided for future Earth to spacecraft deep-space communications, with power ratings from 10 KW to 100 KW. 1970 N. Armstrong et al. First on Moon xi. 257 I haven't heard a word from those guys, and I thought I'd be hearing them on your S-band relay. 1974 Encycl. Brit. Macropædia XV. 370/1 Early in the war, the British had developed an airborne S-band..radar for bombing, called the H2S. < as lemmas |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。