卫星广播电视地球站的维护要点  

Main Maintenance Points at Radio and TV Satellite Earth Station

作　　者：张瑞芝 

机构地区：[1]国家广电总局安全播出调度指挥中心

出　　处：《广播与电视技术》2004年第11期82-84,12-15,共3页Radio & TV Broadcast Engineering

摘　　要：如何保证卫星地球站的安全播出质量,如何实现优质零秒的播出要求,是地球站的工作者们需要经常交流探讨的一个永久话题。地球站一个小事故处理不当,就会影响到节目信号在全国的接收,因此技术维护工作越来越凸显出其重要性。本文作者从三个方面论述了地球站的维护工作。How to ensure the quality of safe transmission at a satellite earth station and how to meet requirements of high-quality and zero-second fault transmission are permanent subjects of frequent exchange and discussion for workers at the satellite earth station. A small fault which isn?t handled properly can influence over the reception of program signal throughout the country, and the technical maintenance work, therefore, is becoming more and more important. The author treats the three aspects of the maintenance work at earth station.

关 键 词：卫星地球站 卫星广播电视 安全播出 卫视节目 接收 信号 技术维护 第二套节目 节目交流 广播电视业 

分 类 号：TN943.3[电子电信—信号与信息处理] TN927[电子电信—信息与通信工程]