建立了金属风暴武器部件传递方程和传递矩阵、系统特征方程，解决了振动特性快速计算难题；
Parts transfer equation, parts transfer matrix and system characteristic equation are established and fast calculation problem for natural vibration characteristic of MSW is solved .
根据电磁场在包层边界应满足的基本关系，建立了描述其带隙结构的特征方程，给出了特征方程迭代求解的算法描述，为电磁波传播特性数值仿真分析提供了理论基础。
With the boundary conditions satisfied by the electromagnetic fields in the interface between the crystal and the clad, the characteristic equation to describe the band gap structure is deduced.
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