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移动通信卫星整星近场测试方法

Mobile communication satellite system level test in planar near field
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摘要 整星系统级测试是验证整星系统最终性能指标不可或缺的重要环节。本文叙述了大型平面近场进行整星状态下含有效载荷变频系统的天线辐射性能的测试方法,通过整星变频系统的馈源阵初级方向图测试,导出馈源阵初级方向图至反射面仿真软件GRASP。将通信天线的最终二次覆盖方向图与仿真设计结果相比较,结果的一致性验证了整星系统的工作性能。 The payload system level verification test is very important in satellite development in order to verify the satellite system final performance.The payload radiation performance test in planar near field is described,as well as the payload with different uplink and downlink operating frequencies.In planar near field,the feed array is tested with satellite payload system,the feed array tested data could be imported to GRASP reflector’s simulated software,and the second radiation pattern is compared with the designed results,to verify the satellite system operating performance.The second radiation pattern is in accordance with the designed results,and the final payload performance verification is successfully realized.This paper presents the satellite system level test methods and the solutions for many difficulties and problems in transfered frequency radiation pattern test.
作者 张晓平 樊勇 肖淼 单金柱 ZHANG Xiaoping;FAN Yong;XIAO Miao;SHAN Jinzhu(Integrated test laboratory,Beijing Institute of Spacecraft System Engineering,Beijing 100094,China)
出处 《太赫兹科学与电子信息学报》 2017年第3期372-376,共5页 Journal of Terahertz Science and Electronic Information Technology
关键词 平面近场 整星测试 卫星天线 有效载荷 测试方法 planar near field satellite system level test satellite antenna payload test method
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