以一个金属目标和一个理想口径组成的系统为例，阐明了这类散射问题的电磁过程。
A system consisting of a conducting target and an ideal aperture antenna is used to illustrate the electromagnetic process.
利用积分方程方法以及半空间并矢格林函数的快速算法对埋地目标体矢量电磁散射进行正演计算。
Forward electromagnetic scattering by buried objects is computed with the integral equation method and efficient algorithm for half-space dyadic Green's functions.
在反射、散射和透射电磁辐射的过程中，地表或大气中的目标地物将产生与它们自身性质相关的偏振特性。
In the process of reflecting, scattering and transmitting electromagnetic wave, earth targets can produce polarized characteristics which related to the nature themselves.
超宽带雷达具有高分辩能力，它探测到复杂目标时，目标总的电磁散射是多散射中心的合成，回波信号不同于普通的窄带雷达回波。
Ultra wide band radar has high range resolution capability, when UWB signals interact with target, and the responses of target are composed of many separate scattering centers.
均衡混合场积分方程与多层快速多极子方法(MLFMA)结合使用，可以方便地求解含腔导体目标的电磁散射。
Combination of ECFIE with multilevel fast multipole algorithm (MLFMA) can easily solve electromagnetic scattering from conductive target with open cavity.
本文首先研究了三维导体目标的电磁散射。
Firstly, the electromagnetic scattering of three-dimensional conducting targets are calculated.
复杂目标电磁散射的高效求解包含两方面的含义。
The efficient solver for EM scattering from complex target includes two meaning.
其次，本文基于面积分方程，研究了均匀介质目标的电磁散射。
Secondly, the surface integral equation(SIE) is presented to calculate the electromagnetic scattering characteristics from the homogeneous dielectric targets.
图形电磁计算(GRECO)方法是计算复杂目标高频区雷达散射截面(RCS)的有效方法之一。
Graphical Electromagnetic computing (GRECO) is one of the valuable method for computing the radar cross section (RCS) of complex radar target in high frequency region.
图形电磁计算(GRECO)方法是计算复杂目标高频区雷达散射截面(RCS)的有效方法之一。
Graphical Electromagnetic computing (GRECO) is one of the valuable methods for computing the radar cross section (RCS) of complex radar target in high frequency region.
将投影迭代法应用于分析任意二维和三维电大导体目标的电磁散射特性。
The projection iterative method (PIM) is used to analyze electromagnetic scattering characteristics of two dimensional and three dimensional electrically large conducting objects in this paper.
本文利用各向异性时域有限差分法（FDTD）分析填充各向异性介质凹槽的金属目标的电磁散射。
The Finite-Difference Time Domain (FDTD) algorithms of anisotropic material was used to analyze the plane wave scattering by slots on the conducting target loaded with anisotropic material.
除此以外，该文还计算了其它形状目标在不同大小、不同埋藏深度、以及不同地层媒质下的电磁散射特征。
Furthermore, the EM scattering of other shaped targets is computed at different size, buried depth, and subsurface medium.
最后，在上述研究基础上，针对高效求解复杂目标电磁散射的问题研究了复杂度分别为和的快速多极子方法以及多层快速多极子方法。
Following, based on the above research foundation and aimed at resolving the scattering by the complex target with high efficient solution, extensive study of the FMM and MLFMA has been carried out.
在常规低分辨雷达目标识别系统中，难以根据电磁散射理论进行有效建模。
The extraction of effective and reliable features is fundamental and critical for the construction of target recognition systems.
在极化域中对雨介质和目标的电磁波散射特性进行了研究。得出了雨区的散射矩阵和目标的散射矩阵。
The electromagnetic scattering characteristics of rain media and targets are discussed in the polarization field, with the scattering matrix of rain area and targets are obtained.
积分方程方法由于其求解严格、计算结果精度高，成为了分析介质目标电磁散射特性的主要方法。
The integral equation is widely applied to analyze the electromagnetic scattering of dielectric objects for its high precision.
目标电磁散射特性的研究一直备受关注。
The scattering of targets has gained great attention in the subject of electromagnetism.
内插和外推算法是电磁场领域的常用算法，它在天线设计、微波技术、雷达目标散射建模等各种电磁场计算领域都要用到。
The interpolation and extrapolation are widely used in the field of computational electromagnetics, such as antenna designing, microwave technique, radar scattering model, and so on.
该散射模型成功地描述了人造目标和自然目标对电磁波的散射机制。
This scattering model can successfully describe the mechanism of man-made and nature targets to scatter the incident electromagnetic wave.
本文采用基于高阶矩量法的快速多极子方法(FMM)及多层快速多极子方法(MLFMA)计算复杂目标的电磁散射。
The present paper applies fast multipole method (FMM) and multilevel fast multipole algorithm (MLFMA) based on the higher order moment of method (mom) to solve scattering from complex target.
由于在通信、雷达等领域的重要应用价值，介质目标电磁散射特性备受关注。
The electromagnetic scattering of dielectric bodies has been extensively studied because of its importance in the area of wireless communication and radar.
本文根据复射线分析和场的高斯波束展开，提出了一种计算复杂目标电磁散射特性的简便方法。
Based on the complex ray method and source expansion with a set of Gaussian beams, a new method for analysis and calculation of radar cross-section (RCS) of a complex target is presented.
本文主要围绕介质目标电磁散射特性的高效积分方程开展研究工作。
In this thesis, the research work is based on efficient integral equations for electromagnetic scattering property of dielectric materials.
本文论述了FD-TD法用于计算地下浅层目标的电磁散射问题。
The electromagnetic scattering by buried objects in dispersive media is calculated by FD-TD method.
散射中心模型是描述光学区雷达目标电磁散射特性的重要工具。
Scattering center model describes the scattering characteristic of radar targets in optical region.
吸波材料通过把电磁波转化为其它形式的能量来降低目标的雷达散射截面，从而实现目标隐身的目的。
Radar absorbing material could realize the stealth of aircraft through transforming the electromagnetic wave into other state of energy in order to reduce the radar cross section of aircraft.
论文从电磁散射机理入手，明确提出了真实目标的复杂散射行为与理想的点散射中心模型描述这两者间的失配问题。
According to scattering phenomenology, we point out that the commonly used point scattering models fails to accurately describe the complex scattering behavior of real target.
雷达散射截面(RCS)是隐身装备外形设计的一项重要指标，研究雷达目标的电磁散射特性已成为目标隐身设计和目标识别的基础。
RCS (radar Cross Section) is a key factor in designing stealth weapons, so the research of radar targets scattering characteristics has become the foundation of stealth technologies.
雷达散射截面(RCS)是隐身装备外形设计的一项重要指标，研究雷达目标的电磁散射特性已成为目标隐身设计和目标识别的基础。
RCS (radar Cross Section) is a key factor in designing stealth weapons, so the research of radar targets scattering characteristics has become the foundation of stealth technologies.
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