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提出了基于遗传算法的窄带滤光片的优化设计方法 ,建立了遗传算法的理论分析模型。根据开发的程序 ,优化设计出一组 5 0GHz的窄带滤光片 ,通过与针法设计的膜系比较 ,遗传算法得到的膜系具有更低的通带插入损耗、纹波系数和更高的矩形度。
The optimization design method of narrow-band filter based on genetic algorithm is proposed, and the theoretical analysis model of genetic algorithm is established. According to the developed program, a series of 50GHz narrow-band filters were optimized. Compared with the needle-designed membrane system, the genetic algorithm has a lower passband insertion loss, ripple coefficient and higher Rectangle