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Nonlinear distortion analysis via perturbation method

机译:摄动法非线性失真分析

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摘要

An analytical method based on the classical perturbation method and the harmonic balance method is presented to analyze the distortion due to circuit nonlinearities. Starting from the time-domain-modified nodal analysis formulation for a nonlinear dynamic circuit, a calculation procedure of the periodic solution is developed, leading to general formulae for harmonics and nonlinear distortion figures. These formulae are then particularized for the widely used polynomial and exponential nonlinearities. Circuit simulations are performed showing the accuracy of the presented formulae.
机译:提出了一种基于经典摄动法和谐波平衡法的分析方法,以分析电路非线性引起的失真。从非线性动态电路的时域修正节点分析公式出发,开发了周期解的计算程序,从而得出了谐波和非线性失真图的通用公式。然后针对广泛使用的多项式和指数非线性对这些公式进行特定化。进行电路仿真,显示所提出公式的准确性。

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