请输入您要查询的英文单词:

 

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
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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/25 0:40:23