The Green's functions for electric and magnetic vector potentials in a sectoral wave guide and its cavity are derivated by using the separation of variables, Fourier transform and residue theory.
文中介绍了扇面直波导及其腔体中电矢量位和磁矢量位的格林函数，采用分离变量法、傅里叶变换法和留数定理导出了格林函数的具体表达式。
The equivalence principle and moment method are used to derive the expression of equivalent magnetic current in the main cavity excited by the plane wave in the half-space.
利用等效原理和矩量法导出了由半空间中平面波在主谐振腔中激励的等效磁流的表达式；
The excellent conductivity and small volume of the metallic magnetic thin films leads to the high requirements on film position in the cavity, the precision and match of the devices.
金属磁性薄膜良好的导电性和微小的体积，使得在复磁导率的测量中对膜片位置的精确定位、测量仪器的精度和匹配等提出较高的要求。
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