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

7. X-band: the range of microwave frequencies around 10,000 megahertz, used in radar transmission.

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X-band1946

1946 Radar: Summary Rep. & Harp Project (U.S. National Defense Res. Comm., Div. 14) 144/2 X-band, refers to wavelengths around 3 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.

1976 Sci. Amer. June 72/1 Most spacecraft now transmit to the earth a second radio signal at an X-band frequency (8·5 gigahertz).

单词	x-band
释义	> as lemmas X-band 7. X-band: the range of microwave frequencies around 10,000 megahertz, used in radar transmission. ΘΚΠ the world > matter > physics > electromagnetic radiation > radio wave > microwave > [noun] > used in radar transmission X-band1946 1946 Radar: Summary Rep. & Harp Project (U.S. National Defense Res. Comm., Div. 14) 144/2 X-band, refers to wavelengths around 3 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. 1976 Sci. Amer. June 72/1 Most spacecraft now transmit to the earth a second radio signal at an X-band frequency (8·5 gigahertz). extracted from Xn. < as lemmas
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