An improved algorithm for zeroth order perturbation solution is presented.
提出了零阶摄动解的一个改进算法。
The frequency stability, amplitude stability and harmonic content can be deduced from the second order perturbation solution of that equation.
方程的二阶近似解显示出非线性效应对振荡频率稳定度、振幅稳定度及波形正弦纯度的影响。
The triangle mesh is used to proceed to numerical calculation and the compares with perturbation solution and the results in the article is conducted.
采用三角形网格进行了数值计算，并和摄动解及文献的结果进行了比较。
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