第 23 卷 第 9 期电子测量与仪器学报 Vol . 23 No. 9 2009 年 9 月 JOURNAL OF ELECTRONIC MEASUREMENT AND INSTRUMENT · 1 · 中国地面数字电视传输标准 DTMB 与产业化推广宋健( 清华大学信息技术研究院数字电视中心, 北京 100084) 摘要:本文首先对自主创新的中国地面数字电视传输技术标准 DTMB 中的核心技术和主要性能特点及优势给予了重点介绍。进而说明了 DTMB 国内产业化推广和参与南美地区多个数字电视传输技术标准现场对比测试的情况, 以及为确保 DTMB 国内顺利实施所需相关配套标准的进展。最后, 结合数字电视技术的特点, 就 DTMB 标准及相关技术的拓展应用进行了讨论。关键词: 数字电视; 时域同步正交频分复用; 网络融合中图分类号: TN 911 文献标识码: A 国家标准学科分类代码: Chinese digital television terrestrial broadcasting standard and its industrialization Song Jian (DTV Technology R&D Center of Research Institute of In formation Technology, Tsinghua University, Beijing China, 100084) Abstract: Chinese Digital Television Terrestrial Broadcasting St andard with acronym of DTMB is briefly intro- duced with focus on its key technologies and associated superior performance. DTMB industrialization, deployment status in China, as well as the field trial results against ot her international standards in South America is reported. IP issue and the progress of DTMB related standards facilita ting DTMB deployment domestically are also addressed. Some practical ideas on leveraging DTMB standard and its core technologies to other application areas are highlighted. Keywords: digital television; time-domain synchronous orthogonal frequency division multiplexing; network convergence 1 引言作为人们日常生活中信息获取和娱乐的一个重要手段和方式, 电视这个概念已有上百年的历史,