1) DTTB
地面数字电视
1.
Research on DTTB Co-Channel Interference
地面数字电视同频干扰的研究
2.
Research and application situation of Digital Television Terrestrial Broadcasting(DTTB) system in China is introduced.
介绍了国内地面数字电视研究和应用现状,结合安徽省传输发射的实际情况,分析了安徽省解决方案的关键技术问题,对任务和工作进度等问题进行了具体部署,并对远期发展模式进行了规划。
3.
DTTB is the important part of Chinese radio and TV integrated coverage system.
地面数字电视广播系统是我国广播电视综合覆盖体系中的重要组成部分。
2) digital television terrestrial broadcasting
地面数字电视
1.
This paper discusses the dominant application of DTTB(digital television terrestrial broadcasting).
对地面数字电视主流应用进行探讨,系统介绍了基于国标之一上海交通大学单载波ADTB-T为基础的大面积固定覆盖“神州家家通”系统,并结合产业化推广中的湖南株洲、河南安阳、安徽凤阳等典型覆盖方案进行解析。
2.
Digital Television Terrestrial Broadcasting (DTTB) is one of hotspots researched by universities and enterprises around the world recently.
当前,世界上已有三种地面数字电视广播传输标准:①采用8VSB调制的美国高级系统委员会ATSC标准;②采用编码正交频分复用(COFDM)的欧洲数字视频广播组织DVB-T标准;③采用频带分段传输正交频分复用(BST-OFDM)的日本ISDB-T标准。
3) terrestrial digital TV
地面数字电视
1.
In this paper,DMB-TH terrestrial digital TV set-top boxes are studied.
为此,本文设计了一种DMB-TH地面数字电视机顶盒,即移动数字电视机顶盒。
4) DVB-T
数字地面电视
1.
As the most important and complicated standard of Digital Video Broadcasting, DVB-T will be used generally in China.
数字地面电视(Digital Video Broadcasting-Terrestrial, DVB-T)作为数字电视标准中最为重要,也是最为复杂的一个,在我国有着广阔的应用前景。
2.
In the project of the DVB-T transmitter, I am in charge of the OFDM modulation software design and verification.
DVB-T是ETSI(欧洲电信标准委员会)提出的数字地面电视广播系统标准,在业界影响很广。
3.
This paper describes theprinciple of a part of DVB-T transmission system.
目前数字地面电视(DVB-T)也提到日程上来。
5) digital terrestrial television broadcasting (DTTB)
数字地面电视广播,陆地数字电视广播
6) DTTB
地面数字电视广播
1.
After describing the basic concepts and technical features of single-carrier and multi-carrier systems, this paper analyzes and compares the performances of the two schemes against Doppler spread, Multi-path spread and Error propagation in DTTB mobile reception environment.
介绍了单载波和多载波系统的基本概念和技术特点,分析和比较了这两种制式在地面数字电视广播移动接收中抵抗多普勒扩展、多径扩展及误码扩散的性能,并对比了ATSC和DVB-T标准的移动接收实验测试结果。
2.
The development of the Digital Television Terrestrial Broadcasting (DTTB) and channel characters of the DTTB are first described in this paper,and the channel estimation method for the DMB-T (Terrestrial Digital Multimedia/Television Broadcasting) standard innovated by Digital TV R&D Center of Tsinghua University is then discussed in details.
本文在简介地面数字电视广播（Digital Television Terrestrial Broadcasting,DTTB的发展及其信道特点的基础上,描述了国外现有的DTTB传输标准和清华大学数字电视传输技术研发中心提出的DMB-T（Terrestrial Digital Multi-media Television Broadcasing）所采用的信道估计算法,并对以上信道估计性能进行比较,证明DMB-T信道估计算法受高斯噪声和时变信道估计的影响更小,而且算法实现更简单。
补充资料：第一个数字制卫星通信地面站
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条