卫星电视传输中广播节目的接收方法研究

Analysis on the receiving method of broadcast program in satellite TV transmission

当前,大众获取日常信息和新闻主要是通过电视和广播节目的报道,这两者是我国目前覆盖面最广,也是受众最多的信息媒介。广播电视节目信号主要是由卫星地球站发出的,利用卫星作为中继站进行的一点对多点式无线传输,具有传输距离远、覆盖面广、容量大且不受地理条件影响等特点。随着社会的高速发展和人们生活水平的不断提高,日前我国大部分城市都可通过卫星电视观看和收听到电视及广播节目。为了使大众更好的了解卫星电视节目的接收方法,本文笔者首先对卫星广播的传输路径等进行简要介绍,并就卫星广播节目接收的几种方法加以具体分析,以期为我国卫星电视和广播节目的传输及传媒文化发展提供一定帮助。

At present,people get daily information and news mainly through TV and radio programs,which are the information media with the widest coverage and the largest audience in China.Radio and television program signals are mainly sent by satellite earth stations,and point-to-multipoint wireless transmission using satellites as relay stations has the characteristics of long transmission distance,wide coverage,large capacity and no influence of geographical conditions.With the rapid development of society and the continuous improvement of people's living standards,most cities in China can watch and listen to TV and radio programs through satellite TV recently.In order to make the public better understand the receiving methods of satellite TV programs,the author first briefly introduces the transmission path of satellite broadcasting,and analyzes several receiving methods of satellite radio programs in detail,in order to provide some help for the transmission of satellite TV and radio programs and the development of media culture in China.