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首页> 外文期刊>Applied Computational Electromagnetics Society journal >PSO Algorithm Combined with Parallel Higher-Order MoM to Compensate the Influence of Radome on Antennas
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PSO Algorithm Combined with Parallel Higher-Order MoM to Compensate the Influence of Radome on Antennas

机译：PSO算法与并行高阶MoM结合以补偿天线罩对天线的影响

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摘要

For the design and optimization of radome-enclosed antenna arrays, a fast numerical optimization algorithm is proposed to compensate the distortion error of radome-enclosed antenna arrays by correcting amplitude and phase of the excitations. Higher-order method of moments (MoM) is used to extract the eigen solution for each antenna element. In combination with the particle swarm optimization (PSO) algorithm, the antenna radiation characteristics can be quickly obtained by updating feeds, which avoid the repeated solution of the MoM matrix equation in the optimization process. Meanwhile, in the process of the eigen solution extraction, the use of the parallel technique significantly accelerates the solving of matrix equation. Finally, a radome-enclosed antenna array with 247,438 unknowns was optimized as an example, and the numerical results demonstrate effectiveness of the method.
机译：为了设计和优化天线罩封闭天线阵列，提出了一种快速数值优化算法，通过校正激励幅度和相位来补偿天线罩封闭天线阵列的畸变误差。高阶矩量法（MoM）用于提取每个天线元件的本征解。结合粒子群优化（PSO）算法，可以通过更新馈送快速获得天线辐射特性，从而避免了在优化过程中重复求解MoM矩阵方程。同时，在本征解提取过程中，并行技术的使用大大加快了矩阵方程的求解速度。最后，以一个具有247438个未知数的雷达罩封闭天线阵列为例进行了优化，数值结果证明了该方法的有效性。

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