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。
Instead of generating a radio beam, the array creates a "personal cell" that can be only centimeters in radius.
这种阵列不再制造无线电波束，而是产生半径只有数公分大的个人单元。
By measuring the refraction of this radio beam, we will be able to plot the temperature and density profile of Pluto's atmosphere from high altitude down to the surface.
借由测量无线电波的折射，我们可以描绘出冥王星大气层(从高空一直到表面)的温度与密度分布轮廓。
Using a directive beam antenna and the Highband Networking Waveform (HNW), the radio can automatically create the entire network using a single frequency.
通过使用定向声波天线和高频网络波形(HNW)，无线电可以采用单一频率自动创建整个网络。
The satellite would then convert the energy into radio waves and beam them down to a receiving station on Earth.
卫星将空间太阳能产生的电能转化成无线电波，传送到地面接收站。
By contrast, Voyager 1, the most distant functioning space probe, is using an extremely weak transmitter to beam radio messages back to earth across 10 billion miles of space.
与此形成鲜明对比的是，最遥远的旅行者1号太空飞船在飞出100多亿公里之外，还能利用极其微弱的发射器将无线电信号传回地球。
Finkelstein's institute runs a program launched in the 1960s at the height of the Cold War space race to watch for and beam out radio signals to outer space.
芬克尔斯坦所在的研究所在20世纪60年代冷战时期的太空竞赛高峰期发起了一个向外太空收发无线电信号的计划，该计划目前还在进行中。
Millimeter wave scanners beam radio waves over the body to create a three-dimensional image.
毫米波长扫描仪发射无线电波到人体表面，产生一个三维图像。
The beam forming technique is used in the UHF radio for improving antenna gain and system anti-interception.
提出了将波束成形技术应用于超短波电台，以提高天线增益和系统抗侦收能力。
The antenna patterns of beam forming are measured. The result demonstrates that the beam forming technique can be used in the VHF radio with wide application in the future.
并对样机的发射波束成形方向图进行了测试，结果表明超短波电台能够采用波束成形技术，并具有很广的应用前景。
The beam is wide enough at that distance to hit a lot of stars, and still be strong enough for someone to notice. But I can't send a radio signal through the ground.
如果能做到，我会对准最近的星系，在这样遥远的距离上，波束会发散的足够广阔，会覆盖到许多星星。
The high plasma current allowed in a RFP is expected to be sufficient to heat the plasma to ignition without the need of auxiliary neutral-beam or radio-frequency heating.
在反场箍缩条件下可允许用强等离子体电流充分加热等离子体到点火温度，而不需要辅助的中性束或射频加热系统。
Coherent optical beam formation is a new wideband radio frequency beam-forming technology, which is based on optical interference, diffraction principle and optical Fourier transformation.
相干光学多波束形成技术是根据光学的干涉与衍射原理，利用光学傅里叶变换而实现的一种新型的宽带射频多波束形成技术。
Ultrasonic has a good pointing, the attenuation in water is small, beam radio feature fine.
超声波具有指向性好，在水中衰减小，束射特性优良。
He wants to use the world's largest radio-telescope dish, at Arecibo in Puerto Rico, as a transmitter to beam some kind of radio greeting towards nearby stars.
他想要使用位于波多黎各的阿雷西博，世界上最大的无线电天文望远镜天线，作为发射器向邻近的恒星发射各种无线电问候。
The other neutron star does not beam radio pulses toward Earth, so it remains unseen except for its gravitational influence.
另外一颗中子星没有发出朝向地球的脉冲信号，所以除了重力影响，它不能被观测到。
After that last frame was radio-transmitted back to Earth, the probe mysteriously disappeared; according to the Russians it was destroyed - possibly knocked out with an energy pulse beam.
在此之后的最后一帧是无线电传回地球，探索神秘消失，据俄罗斯它被摧毁-可能撞脉冲光束的能量了。
A DC-contact series radio frequency(RF) micro electromechanical system(MEMS) switch with slanting beams was developed to eliminate warping of the cantilever beam due to residue stresses.
为解决悬臂梁结构的射频微机电系统开关在残余应力的作用下会发生翘曲的问题，提出在悬臂梁的顶端引入斜拉梁的方法。
Equipment for implementing intelligent antenna includes: array diversity antenna, radio frequency channels, beam forming unit, baseband processing MODEM and beam controller.
一种基于数字波束的智能天线实现装置，包括：阵列分集天线、射频通道、波束形成单元、基带处理MODEM和波束控制器。
Equipment for implementing intelligent antenna includes: array diversity antenna, radio frequency channels, beam forming unit, baseband processing MODEM and beam controller.
一种基于数字波束的智能天线实现装置，包括：阵列分集天线、射频通道、波束形成单元、基带处理MODEM和波束控制器。
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