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风云三号星载天线的准光学分析与设计
Alternative TitleQuasi-optical Analysis of FY-3 Satellite Antenna
程岳云; 王宏建; 易敏; 陈雪; 刘广; 北京8701信箱
Department国家863计划微波遥感技术实验室
Source Publication空间科学学报
2010
Volume30Issue:6Pages:596-600
ISSN0254-6124
Language中文
Keyword准光学 高斯束 偏置抛物面 栅网 波纹喇叭
Abstract利用准光学原理分析了风云三号卫星湿度仪天馈系统.利用等效面磁流和等效面电流法分析得到栅网在高斯波束入射时交叉极化小于-42dB.应用高斯模耦合法代替传统的ABCD矩阵分析偏馈反射面,在大焦径比情况下,推导出较为简单的高斯模耦合矩阵解析式.系统实测方向图与仿真结果对比显示,准光学分析能够快速处理偏馈反射面天线系统,得到较高精度的结果.; A Quasi 一optical analysis of FY-3 satellite radiometer antenna system 15 described . Equivalent electrical and magnetic current sheet were used for the analysis of wire grid cross polarization which could be down to -42 dB from the maili polarization . A Gallussian coupling method was then introduced to analyze the offet parabolic mirror which was fed by a corrugated horn at 90° . AS long as the reflector 's ƒ/ D is large , the coupling matrix which is used to model the offset effect of the reflector can be derived in a silnple way . The simulations and measurernents demonstrated tliat quasioptical analysis can be applied to offset reflectors well with its efficiency and accuracy .
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1820
Collection微波遥感部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
程岳云,王宏建,易敏,等. 风云三号星载天线的准光学分析与设计[J]. 空间科学学报,2010,30(6):596-600.
APA 程岳云,王宏建,易敏,陈雪,刘广,&北京8701信箱.(2010).风云三号星载天线的准光学分析与设计.空间科学学报,30(6),596-600.
MLA 程岳云,et al."风云三号星载天线的准光学分析与设计".空间科学学报 30.6(2010):596-600.
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