含外激励van der Pol-Mathieu方程的非线性动力学特性分析1)
黄建亮, 王腾, 陈树辉

NONLINEAR DYNAMIC ANALYSIS OF A VAN DER POL-MATHIEU EQUATION WITH EXTERNAL EXCITATION1)
Huang Jianliang, Wang Teng, Chen Shuhui
图5 频率$\omega=0.985$时含外激励van der Pol-Mathieu方程的准周期运动, 其中 $k_1=0.01$, $k_2=0.01$, $k_3=0.05$和$f=0.01$
Fig.5 Quasi-periodic motion of the van der Pol-Mathieu equation with external excitation with $k_1=0.01$, $k_2=0.01$, $k_3=0.05$, and $f=0.01$ at the parametric excitation freqeuncy $\omega=0.985$