摘要
本文用摄动法求出范德波方程的二阶周期解,利用恰当变换,把此法的应用范围扩充到强非线性方程。
A Second-order periodic Sotution of Van der pol equation is obtained by perturbation method and emend this method's application range to strong nonlinear equation Via exact transformtion.
出处
《内蒙古民族大学学报(自然科学版)》
1996年第1期12-14,共3页
Journal of Inner Mongolia Minzu University:Natural Sciences
关键词
周期解
长期顶
强非线性方程
Periodic Solution
long-time term
strong nonlinear equation.