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本文介绍利用本征函数展开处理圆拄面光栅电磁理论的边值问题。
In this paper we describe the eigen-function expansion for the boundary value problems of electromagnetic theory of cylindrical grating.
本文讨论了福克-普朗克方程的两种基本解法，即本征函数展开和路径积分方法。
Two basic methods of solution of the Fokker-Planck equation, i. e. the method of the representation of eigenfunction and that of the path integral, are discussed.
本文运用本征函数展开方法，求解均质杆——弹簧系统受序列矩形脉冲激励的振动响应问题。
This paper, using characteristic function expansion method, have soluted a vibration response problem of a uniform bar-spring which was subjected to a series of rectangular pulses excitation.
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