双色副面组合馈电技术应用实例  

An Application Example of The Dichroic Subreflector Combined Feed Technique

作　　者：张宝全[1] 

机构地区：[1]中国科学院遥感卫星地面站,北京100086

出　　处：《遥测遥控》2000年第1期41-47,共7页Journal of Telemetry,Tracking and Command

摘　　要：CBERS遥感卫星地面接收系统为X/S双波段自动跟踪系统。介绍该系统天线馈源的工作原理。系统天馈部分采用双色副面组合馈电技术,X-波段为五喇叭SCM 自动跟踪馈源,工作于后馈;S-波段为ESCAN自动跟踪馈源。CBERS remote sensing satellite ground receiving system is X/S two band autotracking system.The operation principles of the antenna and feed are described in this paper. The dichroic subreflector combined feed technique is used.The X band feed consists of five horns with SCM autotracking method,located near the reflector vertex in a Cassegrain configuration,The S band feed consists of a five element,planar array with ESCAN autotracking method,located at the prime focus of the main reflector.

关 键 词：天线 馈源 SCM ESCAN 双色副面 自动跟踪 

分 类 号：V556[航空宇航科学与技术—人机与环境工程]