强激光与粒子束, 2013, 25 (6): 1535, 网络出版: 2013-04-23  

毫米波/亚毫米波准光馈电系统设计

Design of millimeter/sub-millimeter wave quasi-optical feed system
作者单位
中国兵器工业集团 北方通用电子集团有限公司, 西安 710100
摘要
准光馈电系统是毫米波/亚毫米波传感器的关键组成部分。阐述了毫米波/亚毫米波准光系统的基本设计理论与方法;归纳分析了常用准光无源器件的种类、作用及设计流程等相关问题。并以此为基础,构造出三类能够实现双极化接收功能、双模复合工作的准光馈电系统,并详细描述其工作原理。最终,通过仿真优化设计出与馈电系统相对应的毫米波频段双反射面天线,并采用固定副面、主面机械扫描的形式实现了传感器波束±10°的空域覆盖。
Abstract
The quasi-optical feed system is a key component of the millimeter/sub-millimeter sensor. The design theory and methods of millimeter/sub-millimeter wave quasi-optical system are described. The varieties, functions and design process of quasi-optical passive devices are generalized. Then, the quasi-optical feed systems, which can realize the dual-polarized receiving and dual-mode composite operation, are constructed and the working principles are also given in detail. Ultimately, the corresponding millimeter-wave dual-reflector antenna is obtained through simulation and optimization, and the whole system with subreflector fixed and main reflector scanning is able to realize ±10°airspace coverage.
参考文献

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王元源, 李春化, 袁晶. 毫米波/亚毫米波准光馈电系统设计[J]. 强激光与粒子束, 2013, 25(6): 1535. Wang Yuanyuan, Li Chunhua, Yuan Jing. Design of millimeter/sub-millimeter wave quasi-optical feed system[J]. High Power Laser and Particle Beams, 2013, 25(6): 1535.

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