An optimization approach based on the genetic algorithms(GAs)for Eplane branch-waveguide couplers is proposed in this paper. The GAs optimization strategies are discussed in detail. A design example for 4-port 5-branc...An optimization approach based on the genetic algorithms(GAs)for Eplane branch-waveguide couplers is proposed in this paper. The GAs optimization strategies are discussed in detail. A design example for 4-port 5-branch 5-dB waveguide couplers is presented. Meanwhile,in this example,some results simulated by the HFSS software,which based on GAs optimization, and other results synthesized by the equivalent-network technique are all presented. Based on the comparison of these results, we find that the results optimized by GAs satisfy the expected requirements. The frequency responses of the couplers with this optimization are improved obviously.展开更多
文摘An optimization approach based on the genetic algorithms(GAs)for Eplane branch-waveguide couplers is proposed in this paper. The GAs optimization strategies are discussed in detail. A design example for 4-port 5-branch 5-dB waveguide couplers is presented. Meanwhile,in this example,some results simulated by the HFSS software,which based on GAs optimization, and other results synthesized by the equivalent-network technique are all presented. Based on the comparison of these results, we find that the results optimized by GAs satisfy the expected requirements. The frequency responses of the couplers with this optimization are improved obviously.
