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各位领导、各位专家,非常荣幸有机会从频率和轨道资源方面来给大家做介绍。1992年以来,卫星应用的技术发展很快,各式各样的卫星系统很多。大家常见的有卫星固定通信系统,还有卫星广播,还有卫星遥感,比如说军事侦测卫星等等,还有卫星移动业务,像美国、俄罗斯建立了覆盖全球的卫星系统。卫星系统应用领域非常多。我们今天主要是谈全球主要谈卫星导航,
Ladies and gentlemen, experts, I am honored to have the opportunity to introduce you from the aspects of frequency and orbit resources. Since 1992, the technology of satellite applications has developed rapidly, with a great variety of satellite systems. We are all familiar with satellite fixed communication systems, as well as satellite radio and satellite remote sensing, such as military detection satellites, etc., as well as satellite mobile services, such as the United States, Russia established a global satellite system. There are many applications of satellite systems. Today, we mainly talk about the world’s major satellite navigation,