triangular patch中文什么意思

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三角面片

triangular: adj. 三角(形)的；由三个部分构成的，三重的；三方面的(斗争等)；三国间的(条约等)。 triangular compasses 三脚规。 triangular numbers 【数学】三角数。 triangular crap 【动物；动物学】三角蟹。 a triangular situation 三角关系。 a triangular treaty 三国条约。
be not a patch on: 比不上
patch: n. 1.补钉，补片；金属补片。 2.(军服上表示所属部队的布制)臂章。 3.饰颜片，美人斑〔17、18世纪时女人贴在脸上增加美观或掩饰疤痕等的小绸片等〕；(害眼病时用的)眼罩；(伤口上的)敷裹，膏药。 4.碎片；碎屑；(文章的)一段。 5.斑点，斑纹；【医学】斑。 6.小块地(上的庄稼)。 7.不中用的人，无聊的人，帮闲。 8.〔主英〕时期，季节。 a patch of potatoes 一块马铃薯地；一块地的马铃薯。 Don't put a patch upon it. 〔口语〕别再表白啦，别掩饰啦。 make a patch against 可与…相比。 not a patch on 〔口语〕比…差得远，远不及…。 strike a bad patch 〔口语〕倒霉。 vt. 1.修补，补缀；拼凑 (up)。 2.暂时遮掩一下 (together up) 修理；平息(吵架等)。 3.用美人斑装饰(脸)。 patch up 1. 结束，解决；制止。 2. 匆忙处理。 3. 拼凑。 n. 傻瓜。
to patch: 修补
a triangular gap: 三角形的缝

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two cases are analyzedxonducting target with coat and dielectric target with coat . for the conducting target with coat, triangular patches are used to model the surfaces of the coat and the conducting object . now there have equivalent electric current and magnetic current on the surface of the coat, but only has equivalent electric current on the surface of the conducting object . the rwg vector base functions are used to denote equivalent electric currents and magnetic current . three integral equations should be built to obtain the unknown current coefficients; for the dielectric object with coat, triangular patches are used to model the surfaces of the coat and the dielectric object . now there have equivalent electric current and magnetic current not only on the surface of the coat but also on the surface of the dielectric object . this time four integral equations should be built to obtain the unknown current coefficients
对于涂层导体目标，将涂层外表面和导体外表面进行三角形面元剖分，在涂层外表面有等效电磁流，导体外表面仅有等效电流(无等效磁流)。将这些等效电磁流用rwg矢量基函数表示，需建立三个积分方程来求解未知的电磁流系数；对于涂层介质目标，将涂层外表面和内层介质外表面进行三角形面元剖分，在涂层外表面有等效电磁流，内层介质外表面也有等效电磁流，这时需建立四个积分方程来求解未知的电磁流系数。
two cases are analyzedxonducting target with coat and dielectric target with coat . for the conducting target with coat, triangular patches are used to model the surfaces of the coat and the conducting object . now there have equivalent electric current and magnetic current on the surface of the coat, but only has equivalent electric current on the surface of the conducting object . the rwg vector base functions are used to denote equivalent electric currents and magnetic current . three integral equations should be built to obtain the unknown current coefficients; for the dielectric object with coat, triangular patches are used to model the surfaces of the coat and the dielectric object . now there have equivalent electric current and magnetic current not only on the surface of the coat but also on the surface of the dielectric object . this time four integral equations should be built to obtain the unknown current coefficients
对于涂层导体目标，将涂层外表面和导体外表面进行三角形面元剖分，在涂层外表面有等效电磁流，导体外表面仅有等效电流(无等效磁流)。将这些等效电磁流用rwg矢量基函数表示，需建立三个积分方程来求解未知的电磁流系数；对于涂层介质目标，将涂层外表面和内层介质外表面进行三角形面元剖分，在涂层外表面有等效电磁流，内层介质外表面也有等效电磁流，这时需建立四个积分方程来求解未知的电磁流系数。
in chapter 4, method of moment ( mom ) solution of transient electromagnetic scattering by perfect conducting surfaces is discussed by dealing with time-domain integral equations ( tdie's ) . rectangular patches model and triangular patches model are compared and their applications are exploited . in the mean time reference [ 42 ] and [ 61 ] are recruited
其中第四章通过求解时域积分方程给出了良导体表面瞬态电磁散射的矩量法解，比较了矩形贴片模型和三角贴片模型并拓展了它们的应用，补充了文献[42]和[61]的内容；第五章工作重心是计算机显示器屏蔽箱体的设计，对通风问题给予了充分考虑。
the moment method is used to calculate the rcs of three-dimensional targets in this paper . these targets include conducting targets, dielectric targets and coat targets . triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions . the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target . finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation . when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target
本文利用矩量法计算了三维导体目标、介质目标、涂层目标的雷达散射截面。首先采用三角形面元对物体表面几何形状进行模拟，然后建立满足边界条件的电场积分方程(efie)和磁场积分方程(mfie)，将物体表面的等效电磁流用rwg矢量基函数表示，最后利用伽略金法(rwg矢量基函数既作为基函数又作为检验函数)将电磁场积分方程转化为矩阵方程求解未知电磁流系数，得到了表面的等效电磁流后，可以计算散射场和目标的雷达散射截面。
then, the dielectric targets'electromagnetic scattering is researched . an important principle of electromagnetic field theory-- equivalent theory is introduced . as well as the conducting target, the geometrical model of the dielectric target should first be built, then triangular patches are used to model the surface of the dielectric target . different from the conducting target, there has not only equivalent electric current but also has equivalent magnetic current on the surface of the dielectric target . so now should built two equations-efie and mfie to obtain the unknown current coefficients . the rcs of dielectric sphere, dielectric cylinder, dielectric cube are calculated respectively
其次，本文研究了介质目标的电磁散射，介绍了电磁场理论的一个重要的原理??等效原理。与导体目标一样，先建立介质目标的几何模型，然后用三角形面元模拟介质表面。与导体目标不同的是，在介质表面除等效电流外，还有等效磁流，因此需建立两个方程??电场积分方程(efie)和磁场积分方程(mfie)来求解未知的电磁流系数。

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triangular patch中文什么意思

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