PSO Algorithm Combined with Parallel Higher-Order MoM to Compensate the Influence of Radome on Antennas
Keywords:
Parallel algorithms, particle swarm optimization, radome-enclosed antenna array, the eigen solutionAbstract
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.
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References
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