你闻不到无线电波。
你摸不到无线电波。
你看不见无线电波。
A radio wave is of the same family as heat waves, light waves, X-rays and gamma rays.
无线电波与热波、光波、X射线和伽马射线一样都属于同一族系。
The highly sophisticated electronic methods rely on either light or radio wave propagation.
较复杂的电子技术是利用光或无线电波传播。
On the base of this channel, we analyze the characteristics of the radio wave small-scale fading.
在此基础上对高速铁路的电波传播特性进行了小尺度衰落特性的研究分析。
It is a useful try to construct the radio wave propagation predication model by the neural network.
本文的工作是神经网络方法在建立电波大气传输效应预报模型应用中的有益尝试。
As a result, a single radio wave from an FM station is only a few meters long, about the size of a car.
所以，一个单独的电波信号从FM电台里出来，对车而言就是几米的距离。
As a result, a single radio wave from an FM station is only a few meters long, about the size of a car.
因此，调频广播电台发出的一个电波的长度只有几米，大概是一辆车的大小。
The radio wave refraction correction for improving the accuracy of GPS navigation and location is necessary.
因此要提高GPS的定位导航精度，就必须进行电波折射修正。
By analyzing transmission pathway and mode of VLF radio wave, calculation formula of field intensity is given.
分析甚低频电磁波传播路径与方式，给出场强的计算公式。
Cat whisker a fine metal thread resembling the arched shape of a cat's whisker used in early radio wave detecting crystal sets.
金属细线一种质地良好的金属线，类似于猫的胡须，呈拱形。早期应用于无线电波检测晶体装置。
An antenna device (20) includes an antenna (21) for receiving a time information radio wave, and an antenna support member (22).
一种天线装置(20)，包括天线(21)用于接收时间信息无线电波，还包括天线支撑部件(22)。
Research on long range radio wave propagation plays a significant role in both mobile communication and electromagnetic environment.
研究电磁波的长距离传播对移动通信和电磁环境研究都具有重要意义。
Two calculation modes of VHF radio wave for the Yangtze River area from Chongqing to Shanghai are given in the form of formulas and charts.
通过公式及图表给出了长江流域（重庆—上海）段VHF无线电波的两种计算模式。
The refraction error is produced. The radio wave refraction correction for improving the accuracy of GPS navigation and location is necessary.
因此要提高GPS的定位导航精度，就必须进行电波折射误差修正。
Calculating the radio wave propagation circuits is one of the most important tasks in planning radio project for a mobile communication system.
对一个移动通信系统来说，电波传播电路计算是无线规划的最重要问题之一。
Radio wave bending is caused by atmospheric refraction, which leads to the distance measured by radio navigation system different from the truth.
大气折射效应会引起无线电传播路径发生弯曲，使得无线电导航定位系统中测量到的距离与真实值有一定的误差。
Meteor trail communication is a kind of burst communication mode, which USES reflection and dispersion of radio wave to the meteor ionization trails.
流星余迹通信利用流星电离余迹对无线电波的反射和散射作用来进行通信，它是一种突发通信方式。
Adopting high frequency radio wave to set fuze information on the outer trajectory, the information's anti-jamming in the setting process must be settled.
采用高频无线电波在外弹道上装定引信信息，必须解决信息在装定过程中的抗干扰。
Realtime correction method is mainly used in radio wave refraction error correction to improve radio instrumentation accuracy in engineering applications.
在实际工程应用中，为了提高雷达测量精度，电波折射误差的修正主要采用实时修正方法。
We elaborate the theory of localization algorithms, and implement the algorithm combined with radio wave propagation model in underground complex environment.
给出了该算法进行定位的原理，并结合井下复杂环境中的电波传播模型来实现该算法。
Leakage communication is good for solving radio wave spreading in mine laneway, and is an important mean of coal mine mobile communication credible working too.
漏泄通信技术是解决无线电波在矿井巷道中传播的有效途径，是实现煤矿井下移动通信稳定可靠的重要手段。
The results of recent 30 years study of solar wind using the method of radio wave scattering are reviewed, with emphasis on the interplanetary scintillation(IPS).
本文以行星际闪烁为主，综述了通过电波传播的观测来研究太阳风的方法及近30年的观测结果。
It has been proved that the conclusions and methods which can be used in radio wave propagation in spherical or cylindrical layered media are correct and feasible.
结果表面该结论和方法正确可行，适用于球面、柱面分层射线传播问题。
In combination with the result, the author points out that radio wave attenuations in roadway is mainly by wave refraction and reflection rather than wall absorption.
结合理论分析，指出无线电波在井巷中引起电波衰减的主要原因是波的折射与反射，而不是巷壁的吸收。
The various factors, such as noise, interference and fading, relating to radio wave propagation circuits, as well as the methods dealing with the factors are described.
本文讨论了与电波传播电路计算有关的各种因素，例如噪声、干扰和衰落，以及对它们的处理方法。
When a radio wave propagating in one medium impinges upon another medium having different electrical properties, the wave is partially reflected and partially transmitted.
电波在不同性质的介质交界处，会有一部分发生反射，一部分通过。
When a radio wave propagating in one medium impinges upon another medium having different electrical properties, the wave is partially reflected and partially transmitted.
电波在不同性质的介质交界处，会有一部分发生反射，一部分通过。
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