The Role of Accurate Dynamic Analysis for Evaluating Time-Modulated Arrays Performance
IEEE Antennas and Wireless Propagation Letters(2017)
摘要
In this letter, the role of an accurate time-frequency analysis of a time-modulated array in order to evaluate its radiation performance is discussed. By carefully taking into account the nonlinear behavior of the radio frequency switches in the feeding network and the unavoidable presence of electromagnetic couplings between the radiating elements, it is shown to which extent the system performances differ from those derived in the ideal case, that is when considering isotropic uncoupled elements. Representative results, considering benchmark switching configurations and different realistic antenna models, are reported and discussed also in a comparative fashion.
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关键词
Pattern synthesis,time-modulated array (TMA),time–frequency electromagnetic analysis
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