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椭球反射面聚焦天线的设计和仿真 被引量:1

Design and simulation of elliptical reflector antenna
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摘要 本文根据聚焦要求,采用物理光学法分别设计了工作在Ka和Ku波段的椭球反射面天线,计算了正馈和偏馈两种方式下的反射面的焦场,并用电磁场仿真软件进行验证,结果表明理论计算与软件仿真结果一致。同时,对影响焦斑大小的因素进行了分析和比较,结果表明无遮挡的偏馈方式的汇聚效果稍优于正馈,口面越大聚焦效果越好。 In this paper, the method of design and simulation of a kind of elliptical reflector antenna is introduced. Physical optics method is used to compute the current distribution, the simulation examples are given. Different kinds of feed methods are compared, and the factors influenced the size of the focal are analyzed. It shows that offset reflector antenna is more efficient, and the focus effect is positive with the aperture of reflector antenna. Simulation results using special microwave software are in accordance with the theory calculation.
出处 《电子测量技术》 2006年第5期21-23,共3页 Electronic Measurement Technology
基金 国家自然科学基金(60271012)资助项目
关键词 聚焦 椭球反射面天线 物理光学法 focus elliptical reflector antenna physical optical method
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