气象卫星地面站4.2m天线自动跟踪功能故障分析与解决  

Malfunction analysis and solution for automatic tracking of 4.2 m antenna in meteorological satellite ground station

作　　者：于志翔 

机构地区：[1]乌鲁木齐气象卫星地面站,乌鲁木齐830011

出　　处：《气象水文海洋仪器》2017年第1期95-97,共3页Meteorological,Hydrological and Marine Instruments

摘　　要：文章介绍了4.2m天线天伺馈分系统的组成以及功能,对4.2m天线在接收过程中用自动跟踪功能接收信号出现丢帧的现象以及AGC电平过低的问题进行了详细的分析。通过一系列的跟踪测试准确定位故障的原因,针对故障提出了解决方案,有效地提高了卫星云图的接收质量,明显减少了数据包的丢帧数,提高了业务水平。This paper introduces the composition and functions of 4.2 m antenna servo subsystem,analyzes the phenomenon of frame losing and the problem of AGC voltage lower than normal when using automatic tracking for receiving.Through a series of tracking tests,the fault causes can be located accurately.Aiming at the faults,the solutions are put forward,effectively enhancing the reception quality of satellite images and obviously reducing the number of dropped frames and improving the business level.

关 键 词：天线自动跟踪 天伺馈分系统 AGC电平 数据丢帧 

分 类 号：P414.4[天文地球—大气科学及气象学]