【摘要】 由于直播卫星的最大优势是只用有限的1~2颗卫星,就可以向无限数量的家庭户直播上百套电视节目。根据我国的国情,从技术层面、政策层面和管理层面,全方位地阐述了在我国发展直播卫星技术和前景。指出了卫星电视直播到家庭将成为21世纪的世界潮流。直播卫星发射后将给现有的有线数字电视带来很大的冲击,所以政府主管机构将直播卫星定位为“对有线数字电视的补充的延伸”。两者的关系是“优势互补、各展其长、相对分工、互为补充、互为备份、适当竞争、共同发展”。更多还原

【Abstract】 The greatest advantage is the DBS only use limited 1~2 satellites,and can live to an unlimited number of family households collected television.According to China′s national conditions,from a technical level,the policy level and management level,all expounded in developing DBS in our country and the prospects.This disquisition indicates the family will live satellite TV will be the world trend in 21st century.If the DBS launches,it will take existing online digital television a significant threat.So the government authorities will position DBS as an "additional extension cable digital television".The relationship between the two is "mutual complementarity,and the exhibition of its long,relatively division,complementary,mutually backup,adequate competition,and common development".更多还原