In this dissertation , the radiation problems of wire antenna mounted on the arbitrary shaped conducting platform and the scattering problems of arbitrary shaped conducting objects are analyzed using impedance matrix interpolation with the moment method 本文应用矩量法结合阻抗矩阵插值技术，快速有效地求解实际工程问题中常见的任意形状金属目标的电磁散射问题及金属载体上线天线的电磁辐射问题。
The general form of dyadic green ' s function of non - divergence electromagnetic field in chiral media was deduced by moment method , and the expression forms of the m and n vector wave functions for dyadic green ' s function of non - divergence electromagnetic field was also presented 摘要应用矩量法导出了旋波媒质中无散电磁场并矢格林函数的普遍形式，然后给出无散电磁场并矢格林函数的m和n类矢量波函数的表示形式。
Using the intensity moments method , the beam quality parameters such as the propagation factor ( m2 factor ) , kurtosis parameter ( k parameter ) and point stability , etc . of typical laser beams , e . g . , fgbs , sgbs and hermite - cosh - gaussian ( hchg ) beams , are studied 并且利用强度矩方法对平顶分布光束、厄米?双曲余弦?高斯光束等具有代表性光束的光束质量(包括光束传输因子( m ~ 2因子) 、平等度和瞄准稳定性等)作了研究。
In the case of thin slot , taking the effect of wall thickness into account , the coupler is analyzed with the slots replaced by equivalence magnetic current using the equivalence principle . the integral equation system is fonned and calculated by the moment method 对于细长缝隙的情况，考虑了波导壁厚，利用等效原理将缝隙等效为磁流源在主波导和耦合波导中的作用，根据电磁场连续性条件建立积分方程，并用矩量法求解，进而求出耦合器的散射参数。
But using the high - frequency approximate method to deal with the coupling of parts of electrical - large size target is troublesome as well as not accurate . combining the moment method and the high - frequency approximate method is a development trend and study way in the future 但高频近似方法对于电尺寸大而形状很复杂的散射体各部件之间的相对祸合处理起来有些麻烦且不很精确。将高频近似方法和数值方法(如矩量法)相结合，是以后的发展趋势和研究方向。
By calculating rcs of arbitrary shaped conducting objects and the input admittance of a wire antenna on the arbitrary shaped conducting platform , it is shown that the method of impedance matrix interpolation can greatly reduce the computation time compared with the traditional moment method 该方法仅对几个插值点频率直接进行计算，便可通过插值快速生成其他频率点上的阻抗矩阵，相比于对每一个新频率点重新直接计算阻抗矩阵，极大地减少了计算时间。
In this dissertation , the calculation of the electromagnetic radiation and the electric magnetic compatibility of the conducting body with the wire antenna attachment is discussed , which is based on the classic moment method technology while using the visual c + + as the programming environment and the programming tool 本文以经典的矩量法为理论基础，以microsoftvisualc + +为主要编程环境和编程工具，计算插有细天线的金属导体的电磁辐射和电磁兼容特性。
Based on the approach of turning some of the relevant extreme - value - type and logarithmic normal distribution variables into independent and normal random variables , the shear - slipping failure probability of a high arch dam is worked out to be of the order of magnitude of 10 ^ ( - 5 ) by means of second - order moment method 在将部分相关的极值型与对数正态分布随机变量转换为独立、正态随机变量的基础上，利用二阶矩法计算得到某高拱坝的剪滑失效概率为10 ^ ( - 5 )量级。
Abstract : cable - stayed is used to cable suspension , but cable force is calculated by manual , and only for less than 5 segments , and the prescion is poor . this paper puts forward “ zero moment method ” , which can not only calculate more segmental soupe force , but both temporary joint and fixed joint during construction . the mechanical concept is clear , and it is easy for calculating . it is fit for program , and the illustrations prove that the methods are right 文摘:斜拉扣挂在缆索吊装中经常运用，但扣索索力多采用手工计算，且多用于5段以内的吊装，计算复杂，精度低.本文提出“零弯矩法” ，可计算任意多段扣索索力，既可计算拱肋在施工过程中各节段临时铰接，又可计算各节段固结的情况，将两种连接方式统一成一种计算方法，力学概念清楚，计算简便，适宜程，文中最后用示例证实本方法的正确性
Form the experiment results , we can see that zeroth order moments method is not appropriate for this reconstruction and recognition system because it discards all the detail information of an image color and texture . however , considering on all pixel color , color histogram is suitable for this recognition system 从仿真结果可以看出，由于零阶矩没有利用图像的全部颜色细节和纹理信息，识别效果不是很好，而彩色直方图比较的方法是针对于上述飞机模型库进行识别的合适的方法。
