The method of harmonic balance is applied to study the non-linear dynamic response of the third-order nonlinear partial differentiation system.
应用谐波平衡法对系统三阶非线性微分方程组解析分析，与数值解比较验证了解析解的正确性和有效性。
This paper introduces the method of unified modeling for PWM switched converter, and draws the analytic method of harmonic balance into the analysis of the circuit.
介绍了PWM开关功率变换器电路的统一建模方法，并将谐波分析方法应用于电路分析中。
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。
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