Application of CMA evolution strategy to synthesis of multi-resonance SPICE models up to 20 GHz

I. Kalimulin, A. Zabolotsky, T. Gazizov
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Abstract

A developed method for the macromodels synthesis in the form of an equivalent circuit consisting of RLC elements, using the active covariance matrix adaptation evolution strategy (active CMA-ES), is described. A fitness function taking into account the module and phase of the frequency dependence of reflection or transmission coefficient is described. Two examples of models synthesis for resistor and capacitor according to the measured frequency response, containing several resonances, are given. The developed models have shown good accuracy.
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CMA演化策略在20 GHz多共振SPICE模型合成中的应用
提出了一种基于主动协方差矩阵自适应进化策略(主动CMA-ES)的由RLC元件组成的等效电路综合宏观模型的方法。描述了考虑反射系数或透射系数的频率依赖的模块和相位的适应度函数。给出了根据测量到的包含多个谐振的频率响应,对电阻和电容进行模型综合的两个例子。所建立的模型显示出良好的准确性。
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