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浅谈卫星数字电视直播技术
引用本文:李芒庆. 浅谈卫星数字电视直播技术[J]. 山西科技, 2005, 0(3): 27-28
作者姓名:李芒庆
作者单位:中共山西省委党校信息网络教研部
摘    要:随着航天技术、数字电视技术、微电子技术、码率压缩技术的突破性进展,使卫星电视已由原来的C频段转播进入了数字Ku频段的直播卫星阶段。文章对卫星数字电视直播技术作了介绍,指出其优点和不足之处及其发展前景,阐述了国外卫星数字电视直播的现状,从而阐明了发展我国卫星电视的必要性和紧迫性。

关 键 词:卫星数字电视  直播技术  发展方向
文章编号:1004-6429(2005)03-0027-02
修稿时间:2005-02-28

A Discussion on the Live Broadcasting Technology of Digital Satellite TV
Li Mangqing. A Discussion on the Live Broadcasting Technology of Digital Satellite TV[J]. Shanxi Science and Technology, 2005, 0(3): 27-28
Authors:Li Mangqing
Affiliation:Li Mangqing
Abstract:With the breakthrough development of space technology, digital television, microelectronics and code rate compressing, satellite television has reached a live broadcasting satellite state of digital KU frequency live broadcasting from the original C frequency relay broadcasting. This article, after introducing the live broadcasting technology of digital satellite television and its advantages and disadvantage and prospect, has analyzed the current situations of it in foreign countries and the necessity and urgency of its development in our country.
Keywords:digital satellite television  live broadcasting  trend
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