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Material distributive topology design of UWB antenna using parallel computation of improved BPSO with FDTD

机译:用PS改进的BPSO与FDTD的平行计算材料分布式拓扑设计

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摘要

In this article, the material distributive topology-based design optimization of ultra-wide band (UWB) antenna is proposed by using improved binary particle swarm optimization (BPSO) with finite difference time domain (FDTD) method. In the improved BPSO implementation, the velocity of each particle is calculated based on complete set of bits of particle position vector. The V-shaped transfer function is employed to transform all real values of velocities to values in the interval [0,1]. The fitness function of all the particles in BPSO algorithm are computed parallely by using FDTD simulation. The usage of FDTD and the parallel computation helps in analyzing the broadband frequency characteristics of the antenna with a single simulation run. The return loss of the optimized UWB antenna obtained from FDTD, Computer Simulation Technology (CST) simulation and practical measurement are in good agreement and show good impedance matching.
机译:在本文中,通过使用有限差分时域(FDTD)方法使用改进的二进制粒子群优化(BPSO)来提出超宽带(UWB)天线的基于材料分布式拓扑设计优化。在改进的BPSO实现中,基于完整的粒子位置矢量比特计算每个粒子的速度。 V形传递函数用于将所有真实值转换为间隔中的值[0,1]。通过使用FDTD仿真,BPSO算法中所有粒子的适应性函数是平均计算的。 FDTD和并行计算的使用有助于分析天线的宽带频率特性,单个仿真运行。从FDTD,计算机仿真技术(CST)仿真和实际测量中获得的优化UWB天线的回报损失是良好的协议,并显示出良好的阻抗匹配。

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