电磁波传播

在电磁波传播测井中，侧面波是重要的波模。

The lateral wave is very important in EPT log .

所得出的结论对电磁波传播测井曲线的解释和电磁波传播测井仪器的设计有一定意义。

The conclusion of the paper will be useful for EPT interpretation and logging tool design .

基于ANSYS的巷道电磁波传播特性研究

Study of Electro-magnetic Wave 's Transmissive Characteristics in Mine Gateway Base on ANSYS

对LF电磁波传播时延实测值准确度的讨论

Discussion of Accuracy for the Measured Value of LF Propagation Delay

用FDTD及Z变换方法分析电离层中电磁波传播

Analysis of Electromagnetic Wave Propagation in Ionosphere by Using FDTD Combined with Z Transform Method

在射线光学近似下，孔间电磁波传播方程满足Radon变换。

Assuming the ray-optics approximation , the crosshole electromagnetic wave transmission equation can meet the Radon transform .

考虑频散介质的电磁波传播，引入随频率变化的电位移矢量D，并对电场强度E和电位移D进行标准化。

To study propagation characteristic of radar wave in a dispersive medium , frequency - dependent flux density D was introduced , and electromagnetic field E and flux density D were norma - lized .

从电磁波传播方程出发，基于时域有限差分法（FDTD）进行离散求解，获得了适合含水量测试的同轴电缆电磁波反射（TDR）系统的FDTD方程。

For the applications of TDR system in measuring water content , FDTD equations were obtained based on the propagation equations of electromagnetic wave .

指定要标度到左垂直坐标轴或右垂直坐标轴上的系列。三维圆柱坐标系下FDTD法对电磁波传播测井的数值模拟

Specify if you want the series to be scaled to the left or right vertical axis . Numerical Simulation of Eletromagnetic Propagation Logging by FDTD in 3-D Cylindrical Coordinates

从Maxwell方程入手，讨论电磁波传播时的Poynting矢量及波矢量等。

This article begins from with Maxwell equation and discusses poynting vector and wave vector caused by electromagnetic wave . and so on .

本文从基本的电磁波传播理论出发，考虑了电磁波在屏蔽层中的反射、衰减及多次反射，提出了多层复合材料屏蔽效能（ShieldingEfectivenes，简称SE）的理论模型和计算公式。

This paper given a method which can calculate the shielding effectiveness ( SE ) of multilayered composite material . Based on the basic propagation theory it deals with reflection , attenuation and re-reflection in the layers .

基于Maxwell方程的地下复杂介质中电磁波传播的正、反演问题，已日益成为探地雷达基础理论研究中的前沿课题。

The forward problem and the inverse problem of the electromagnetic propagation in anisotropy media underground based on Maxwell equation have increasingly been an advanced task in the research of the fundamental theory of GPR .

等离子体鞘套中电磁波传播特性的ADE-FDTD计算

Calculation of Propagation Characteristics of Electromagnetic Wave in Plasma Sheath Using ADE-FDTD Method

主要研究内容如下：定性分析了电缆接头内部结构和复合界面折、反射对UHF电磁波传播的影响。

The main research work is as follows : The influence on UHF electromagnetic wave propagation , resulting from internal structure of HV cable joints and catadioptric effection on the interface of multilayer are qualitative analyzed .

本文将基于2D-FDTD（二维时域有限差分法方法）开展路面雷达电磁波传播的正演模拟研究。

So the research of forward simulation is done in this paper based on the 2D-FDTD method .

本论文以电磁波传播和统计学理论为基础，采用时域测量方法和基于时域有限差分法（FDTD）的电磁仿真方法对典型室内环境的宽带无线传播特性进行了研究。

Based on the electromagnetic theory and statistical theory , the studies on broadband wireless propagation characteristics of the indoor typical scenarios are performed using the time-domain measurement method and the Finite Difference Time Domain ( FDTD ) simulation method .

介绍了UHF频段在空矩形巷道中电磁波传播的基本方法及原理，给出了电磁波衰减计算公式，应用这些公式讨论了巷道中的电磁传输特性。

The paper introduces the basic methods and principle of electromagnetic waves propagation of UHF band in empty rectangular entry , and gives the formulas of electromagnetic waves attenuation , then it discusses the electromagnetic transmission characteristic in the entry with these formulas .

在高频波段（2～30MHz），由于天线架设在环境复杂中，计算其辐射特性和电磁波传播特性非常困难，少有文献对此进行分析。

For high frequency electromagnetic wave ( 2 ~ 30MHZ ), it is very difficult to calculate radiant and transmittal characteristics of antenna located in complex environment .

地壳形变深井综合观测技术的新进展深电磁波传播测井仪

New Progress in Multi-component Observation of Crustal Deformation in Deep Boreholes

梯形隧道中横截面尺寸对电磁波传播特性的影响

Effects of Cross Section Dimensions on Propagation Characteristics in Trapezoid Tunnel

介质分界面上电磁波传播特性的一个理论问题研究

A theoretical study on the propagation of electromagnetic wave at interface

变截面铁氧体柱中电磁波传播的耦合波理论

The coupled-mode theory of wave propagation through ferrite rod with variable cross-section

电磁波传播方程的初值问题

The Inital Value Problem for a Electromagnetic Wave Propagation Equation

多层介质波导中电磁波传播和散射的坐标变换分析

Coordinate Transformation Analysis for The Transmission and Scattering in Multilayer Dielectric Waveguides

隧道中水汽对电磁波传播特性的影响

Moisture in tunnel influenced to transmission features of electromagnetic wave

矩形波导中电磁波传播特性仿真分析

Simulation Analysis on Propagation of Electromagnetic Wave in Rectangle Wave-guide

有耗介质中电磁波传播的物理光学分析

The Physical Optics Analysis for Electromagnetic Propagation in Dissipative Medium

海洋上大气波导中电磁波传播损耗的误差分析和敏感性试验

Sensitivity experimentation and error analysis of electromagnetic propagation loss in ocean waveguide

论电磁波传播中的负速度

On a Few Problems Related to the Negative Velocities of EM-waves Propagation

隧道横截面对电磁波传播特性的影响

Effects of Cross Sections of Tunnel on Propagation Characteristics of Electromagnetic Waves