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将遗传算法用于 HBT等效电路模型参数的提取并对其进行改进 ,改进后的遗传算法自动优化遗传、杂交和变异算子 ,节省了寻找最佳遗传、杂交和变异概率的时间并提高了提取参数的速度 .在 1～ 2 6 .5 GHz频率范围内 ,用改进的遗传算法提取了 Ga0 .4 9In0 .51 P/ Ga As HBT交流小信号等效电路模型的全部 16个参数 ,得到了令人满意的模拟与测量 S参数的比较结果 .
The genetic algorithm is used to extract and improve the parameters of HBT equivalent circuit model. The improved genetic algorithm automatically optimizes the genetic, hybrid and mutation operators, saves time and increases the probability of finding the optimal genetic, hybridization and mutation probability The speed of extracting the parameters.Under the frequency range of 1 ~ 26.5 GHz, all 16 parameters of Ga0.44In0.51P / Ga As HBT AC small signal equivalent circuit model were extracted by the improved genetic algorithm, Satisfactory simulation and measurement of S-parameter comparison results.