卫星地面站接收线极化数字、图文卫星电视节目三个角度的计算与调整  

Computing and Adjusting of the Three Angles of Satellite Digital TV and Teletext TV Program

作　　者：周丽 周立成 

机构地区：[1]河南省卫星地球站

出　　处：《广播与电视技术》1999年第2期79-82,84,共5页Radio & TV Broadcast Engineering

摘　　要：本文主要阐述了卫星地面站天线接收线极化波传输的数字、图文电视方位角ＡＺ，仰角ＥＬ及极化角α的计算及调整。重点论述了极化角调整的重要性及调整的具体方法。The paper describes the computing and adjusting of the azimuth,elevation and polarization angles of digital TV and teletext TV transmitted by linearity polarization wave,received by the antenna of the satellite earth station.Mainly focuses on the importance and detail methods of adjusting the polarization angle.

关 键 词：卫星数字电视 图文电视 方位角AZ 仰角EL 极化角 

分 类 号：TN943.3[电子电信—信号与信息处理] TN949.27[电子电信—信息与通信工程]