实现我国广播电视直播卫星(DBS)指日可待广播电视技术进入了直播卫星(DBS)的时代。DBS技术已成为广播电视技术的制高点,是世界各国广播电视发展突出的热点。遵照国际电联“先登先占”的原则,不仅像美、英、法、日、韩等发达国家都争先抢上广播电视直播卫 To achieve China’s broadcast and television direct broadcast satellite (DBS) just around the corner broadcast and television technology into direct broadcast satellite (DBS) era. DBS technology has become the commanding height of radio and television technology and is a prominent hot spot in the development of radio and television in various countries in the world. In accordance with the principle of “preemption by the ITU”, not only do the developed countries such as the United States, Britain, France, Japan and the ROK all strive to grab the broadcast and broadcast television broadcast