After finding the orthogonal sets corresponding to the guided-wave restriction condition, the analytic dispersive equation, group velocity equation and steady response are obtained simultaneously.

提出自结合方法，导出波传播的限定条件，在找到相应的正交序列后，完全得到弹性波导系统中解析形式的频散方程、群速度方程和稳态响应。

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