Prediction of ionospheric radio wave propagation 电离层电波传播预报
To introduce the fundamental characteristics of radio wave propagation. 高频微波辐射及传输衰落特性介绍。
Analysis of Radio Wave Propagation Characteristics in Rotating Environment and Its Application in Tire Pressure Monitoring 旋转环境下电波传播特性及其在胎压监测中的应用
Correction for radio wave propagation of time signal The broadcast overran the allotted time. 电磁传播[时延]改正广播超过了排定的时间。
Random Walk Model of Radio Wave Propagation and its Applications 无线电波传播的随机游动模型及其应用
Earth-ionosphere waveguide radio wave propagation for the production and transmission of radio broadcasts. 地-电离层波导电波传播广播制造和传送的地方。
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。
Effect of nuclear explosion on radio wave propagation 核爆炸电波传播效应
Characteristics of radio wave propagation in the evaporation duct environment over the rough surface by the improved DMFT algorithm 改进DMFT算法研究粗糙海上蒸发波导中的电波传输特性
An Interpretation of Rapid Frequency Drift and Polarization Sense Reversals by Radio Wave Propagation in the Solar Corona 太阳射电快速频漂和偏振逆转波的传播解释
Earth-ionosphere waveguide radio wave propagation the iridescent internal layer of a mollusk shell. 地-电离层波导电波传播软体动物甲壳的内层,呈彩虹色。
Circular waveguide standing-wave detector radio wave propagation in tropospheric radio duct 圆形波导管驻波检测器对流层波导电波传播
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。
These results have broad applications in areas such as sea remote sensing, radio wave propagation and communication, and rough surface reconstruction. 这些结果在诸如海洋遥感、无线电传播与通信、粗糙面重构等方面中有着广泛的应用。
Research of the radio wave propagation is very important for the development of railway wireless communication system. 电波传播特性的研究对铁路无线通信发展具有重要意义。
The error of missile speed was deduced by the distance error. The distance error was obtained by a microwave radiometer directly detecting the atmospheric radiation brightness temperature on the path of radio wave propagation. 其速度(距离变化率)误差是利用与距离误差△R之间的关系得到,而△R由微波辐射计在电波传播路径上直接测量大气辐射亮度温度得到。
The calculation of radio wave propagation circuits of the mobile communication system 移动通信系统的电波传播电路计算
Research on the UHF Radio Wave Propagation and Location Algorithms in Mine Tunnels 井下巷道超高频无线电波传播及定位算法的研究
In running TCP/ IP protocol on satellite communication network, the time delay of satellite links caused by radio wave propagation in space will seriously reduce the transfer speed and communication efficiency of TCP data streams. 在卫星通信网上运行TCP/IP协议时,因电波空间传播产生的卫星链路时延,严重降低了TCP协议数据流的传输速率和通信效率。
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 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。
Starting with radio wave propagation mechanism, the indoor depolarization phenomenon is analyzed, and the special antenna requirements of WHAN ( wireless home area network) for polarization, radiation and impedance match are researched. 从电波传播机理出发,分析室内电波的退极化现象,研究WHAN对天线的极化、辐射及阻抗匹配特性的特殊要求。
Improving on A Hybrid Method for Modeling Radio Wave Propagation of Indoor Wireless Communications System 室内无线通信系统中电波传播混合建模方法的改进
Effects of the atmospheric planetary waves on radio wave propagation at LF and VLF 大气行星波对LF和VLF无线电波传播的影响
Radio Wave Propagation along Mixed Paths in Forest Communication 丛林通信中电波的混合路径传播
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。
By analyzing the model of radio wave propagation loss, this paper provides a weighted centroid localization algorithm that uses coefficients, which are decided by the influence of beacons to unknown nodes, to prompt localization accuracy. 文中通过对无线电传播路径损耗模型的分析,提出了加权质心定位算法,用信标节点对未知节点的不同影响力来确定加权因子,以提高定位精度。
Prediction Modelling and Computer Simulation of Radio Wave Propagation Loss in Microcellular Multipath Dispersive Channel 微蜂窝多径色散信道电波损耗预测的建模与仿真
The wireless communication channel is usually time-varying because radio wave propagation is difficult to control. Therefore, accurate channel estimation and equalization are very crucial for an effective communication system. 由于无线电波传播的物理环境常常难以控制,导致无线通信的信道特性通常是时变的,因而,快速准确的信道估计与均衡在有效的通信系统中必不可少。
Relay technology can be useful in these special electromagnetic regions. First, this article introduced a little knowledge of radio wave propagation and wireless communication environment. They are related with relay technology. 中继技术可以用于解决这些特殊电磁区域的场强覆盖。本文首先介绍了与研究领域有关的中继技术、无线电波传播规律及无线传播环境的相关知识。