By combining the linearization of the governing equation with the method of harmonic balance , we have established analytical approximate formulas for the period and the periodic solution 将控制方程的线性化与调和平衡法组合起来,建立周期及周期解的解析逼近公式。
By combining the linearization of the rewritten governing equation with the method of harmonic balance , improved analytical approximate expressions of the frequency and the corresponding periodic solutions of the oscillator are derived 通过将变形后的控制方程的线性化与谐波平衡法组合起来,我们建立了达芬谐波振子频率及周期解的改进解板逼近。
By combining the newton method and the method of harmonic balance into the rewritten governing equation , we have established improved analytical approximations to the frequency and the corresponding periodic solution of the oscillator 将牛顿线性化方法与谐波平衡法组合起来应用于变形后的控制方程,建立了达芬谐波振子频率及周期解的改进解析逼近。