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5篇 您的检索式:作者名="W.C.Chew"
    题名 作者 年代 出处 被引量
1电磁波对轴对称二维层状介质的散射显示文摘本文讨论了任意N层平面分层,每层又可具有任意柱面分层的轴对称二维非均匀有耗介质结构,分析电磁波在其中的传播、散射特性.由于采用电磁场的数值模式匹配理论,径向用离散数值本征模式替代连续模,纵向则用模式匹配方法导出场递推关系的解析表达式,大大减少了数值计算量,而计算精度不变.场的数值结果可很好的再现地下电参数剖面.相应的数值分析程序可用于从感应测井到电磁波测井的计算机辅助解释.聂在平 W.C.Chew Q.H.Liu 1992地球物理学报1992,35,4:57
2利用电磁学和计算电磁学分析电磁兼容显示文摘阐述了电磁噪声的诊断方式、原因分析及改善措施。通过增加测量多样性来诊断电磁噪声,进而利用计算电磁学(CEM)的麦克斯韦方程对不同类型的电磁噪声,包括电阻耦合、电感耦合、电容耦合及辐射耦合等进行了分析,最后简述了接地和屏蔽、平衡和滤波两种减少电磁噪声的措施。周永祖 W.C.Chew 2020安全与电磁兼容2020,,1:4
3Diagonalizations of Vector and Tensor Addition Theorems显示文摘Based on the generalizations of the Funk-Hecke formula and the Rayleigh plan-wave expansion formula,an alternative and succinct derivation of the addition theorem for general tensor field is obtained.This new derivation facilitates the diagonalization of the tensor addition theorem.In order to complete this derivation,we have carried out the evaluation of the generalization of the Gaunt coefficient for tensor fields.Since vector fields(special case of tensor fields)are very useful in practice,we discuss vector multipole fields and vector addition theorem in details.The work is important in multiple scattering and fast algorithms in wave physics.B.He W.C.Chew 2008Communications in Computational Physics2008,4,9:0
4Vector Addition Theorem and Its Diagonalization显示文摘The conventional vector addition theorem is written in a compact notation.Then a new and succinct derivation of the vector addition theorem is presented thatis as close to the derivation of the scalar addition theorem. Newly derived expressionsin this new derivation are used to diagonalize the vector addition theorem. Thediagonal form of the vector addition theorem is important in the design of fast algorithmsfor computational wave physics such as computational electromagnetics andcomputational acoustics.W.C.Chew 2008Communications in Computational Physics2008,3,2:0
5具有不同间隙电容的同轴馈电微带天线的数值分析显示文摘本文利用模式匹配理论和积分方程法对在同轴口面上具有不同间隙电容的同轴馈电微带天线输入阻抗特性进行了分析。理论结果与实验数据具有理想的一致性。研究表明,间隙电容的变化将对厚基片微带天线产生不容忽视的影响。聂在平 W.C.Chew Y.T.Lo 1991电子学报1991,19,5:0
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