谐波平衡，可以求解DUFFING方程等非线性动力学系统，并可以求解二阶微分方程-The harmonic balance can be solved by the nonlinear dynamical systems such as DUFFING equation, and can be solved by two order differential equations

增量谐波平衡方法(IHB)是一种有效的定量分析方法，既适用于分析弱非线性振动系统，也适用于分析强非线性振动系统，并且可以提高周期解的精度-Incremental harmonic balance method (IHB) is an effective method for quantitative analysis, both for the analysis of weakly nonlinear vibration system, also suitable for the analysi

应用增量谐波法求解Van Der Pol方程(solve Van Der Pol equation by incremental harmonic balance method)

求解非线性振动方程 周期解的 谐波平衡法 通用计算程序 matlab编写(Solve the nonlinear vibration equation periodic solution harmonic balance method common calculation program matlab coded)