Gain-Maximization of FPA-fed Reflectors by Means of Linear Regression

S. Narayanan,A. Al-Rawi,A. Dubok,B.P. de Hon,A.B. Smolders

2019 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND USNC-URSI RADIO SCIENCE MEETING（2019）

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摘要

Mutual coupling has a demonstrable impact on the embedded pattern of the focal plane array (FPA). Therefore, it is necessary to optimize the FPA complex weighting to achieve the antenna system maximum gain. A system level model based on a hybrid combination of an in-house developed PO tool, an EM tool (CST). It turns out that the mutual coupling effects on the embedded patterns of the FPA can be can be optimized through the application of a minimum least squares (LS) residual method. Subsequently, the geometry and pattern of the FPA can be further optimized to increase the efficiency of the reflector antenna system.

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关键词

gain-maximization,FPA-fed reflectors,linear regression,demonstrable impact,embedded pattern,focal plane array,FPA complex weighting,antenna system maximum gain,system level model,hybrid combination,PO tool,EM tool,mutual coupling effects,minimum least squares residual method,geometry,reflector antenna system

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