摘要
本文旨在阐述高清晰度电视(HDTV)传输的调制技术,并对其国际现状作一较全面的概括。文中扼要地分析了HDTV传输的基本原理,在突出全数字式地面广播的情况下,简述了三种传输调制技术的思想和特点,最后,比较三种HDTV传输的调制技术并分析它们的发展趋势。
The principle of transmission of HDTV systems and its status quo all over the world are de-scribed.Three kinds of modulation techniques for all-digital HDTV systems for terrestrial broadcasting andtheir features are discussed.In the end,comparision for them is followed and the developrnent and tenden-cy about transmission techniques for HDTV systems is analyzed.
出处
《电信科学》
北大核心
1995年第9期2-6,共5页
Telecommunications Science