[电子] 射电波束
radio beam //
名词 a narrow beam of radio signals transmitted by a radio or radar beacon, radio telescope, or some other directional aerial, used for communications, navigation, etc 无线电波束 (Sometimes shortened to beam)
a signal transmitted along a narrow path; guides pilots in darkness or bad weather
同义词： beam
无线电波束
射电波束
无线电射束
... radio astronomer 射电天文学 radio astronomy 射电天文学 radio beam 无线电射线 ...
... radio beacon marker 无线电信标标志 radio beam 无线电波束 radio beam coupler 无线电波束耦合器 ...
... Radio Beacon 无线电信标 Radio Beam 无线电导航波柱 Radio Bearing 无线电方位 ...
... radio beacon 无线电指向标，电指向，无线电航空信标 radio beam 无线电射束，射电波束 radio beam station 定向无线电台 ...
It is far from simply a radio beam passing through a vacuum at "the speed of light".
这远不像一束无线电波“以光速”穿过真空层那样简单。
Like the searchlight beam, the radio beam cannot be made very sharp; it tends to spread.
无线电射束也象探照灯的光束一样，是不能高度集中的；它总要散开。
Ironically, the detailed reasons as to how the radio beam is produced may not be important astronomically.
具有讽刺意义的是，产生射电波束的详细原因在天文上，这也许并不重要。
Clementine's radio beam was bounced off the moon to a receiving dish on earth.
The attraction of these tiny passive chips, which emit a stream of digital data only when energised by a radio beam, is that it is not necessary to see a tag to read it.
Since all that dirt and heavy pipe provides lots of insulation, Nethercomm can beam a radio signal and not have to worry about interference.