Application of An Efficient Method of Moments to Numerical Analysis of 1-bit Transmitarrays
2020 International Symposium on Antennas and Propagation (ISAP)(2021)
摘要
An efficient method of moments for numerical analysis of antennas with variable load impedance is presented. The presented method is a kind of domain decomposition method. A loaded full-matrix equation is decomposed into block matrix equations corresponding to unloaded and loaded parts, respectively. These block matrix equations are solved sequentially using an unloaded full-admittance matrix and currents of the antennas are obtained. The presented method is computationally efficient because matrix inversion of a loaded full-impedance matrix, which is computationally expensive, is unnecessary. The presented method is rigorous because its algorithm includes no approximation. The presented method is applied to numerical analysis of 1-bit transmitarrays and its performance is demonstrated.
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关键词
Transmitting antennas,Computational efficiency,Matrix decomposition,Mathematical model,Impedance,Method of moments,Loaded antennas
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