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。
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。
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。
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。
The radio wave propagation velocity is slowed and the ray producing bend but to the asymmetry of the atmospheric medium, the refraction error is produced.
由于空中大气介质的不均匀性使得电波传播速度减慢射线产生弯曲，从而产生折射误差。
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。
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。
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。
Then, the paper introduced the basic concepts of wireless channel transmission mechanism as well as the characteristics of radio wave propagation in underground tunnels;
然后介绍了无线信道的传播机制基本概念以及井下巷道电波传播特性；
It was modified combined with their actual measured values that the environmental factors in radio wave propagation model equation matrix of underground complex environment.
对井下复杂环境中无线电波传播模型方程中的环境因子矩阵，结合了实际测量值对其进行了修正。
This paper presents an effective radio wave propagation prediction model by using radiation sources tree for microcellular environment. This model is based on ray-tracing and UTD.
提出了一种有效的微蜂窝电波传播预测模型，该模型基于射线跟踪法和UTD理论，并使用辐射源树的方法。
The signal will have attenuation and disturbance due to environmental factors in the process of VLF radio wave propagation, which will impact the reliability of submarine communication.
甚低频(VLF)电波传播过程中因环境因素影响会使信号产生衰减与扰动，导致潜艇收信可靠性下降。
Propagation characteristic of UHF radio wave in rectangle, circle and arched tunnels is studied in this paper and the computing equation for attenuation constant is deduced.
研究UHF频段的无线电波在矩形、圆形和拱形隧道中的传播特性，推导了衰减常数的计算公式。
Artificially triggered lightning has practical use in the study of lightning strike mechanisms, lightning hazard and protection as well as in the propagation of radio wave and plant mutation breeding.
人工引发闪电在研究雷击机理、雷击效应、雷电防护以及电波传播、植物诱变育种等方面也具有广泛的应用前景。
Electromagnetic wave propagation parameters of passive scattering planes used in microwave radio relays are given by applying the method of solving the radar cross section (RCS).
本文通过求解雷达散射截面得到了无源电磁散射板应用于微波接力通信中的电磁波传播参数。
Antenna and propagation: usually by means of electromagnetic wave for information transmission system, such as radio, television, communication, navigation, radar, antenna are an essential part of.
天线与电波传播：凡是借助于电磁波进行信息传输的系统，例如广播、电视、通讯、导航、雷达等，天线均是必不可少的重要组成部分。
Antenna and propagation: usually by means of electromagnetic wave for information transmission system, such as radio, television, communication, navigation, radar, antenna are an essential part of.
天线与电波传播：凡是借助于电磁波进行信息传输的系统，例如广播、电视、通讯、导航、雷达等，天线均是必不可少的重要组成部分。
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