三是可以免费接收本地地面数字电视。
Three is to receive free local digital terrestrial television.
这种地面数字电视广播系统使得更多人能够使用这项新服务。
This terrestrial digital broadcast system means that more people will be able to use the service.
地面数字电视广播系统是广播电视系统中的重要组成部分。
The digital television terrestrial broadcasting system is important constituent in the broadcasting television system.
地面数字电视广播是应用最广也是最复杂的数字电视节目传输方式。
Terrestrial digital TV broadcasting is the most widely and most complex digital television transmission.
本项目完成的是中国地面数字电视融合方案接收系统的硬件平台设计。
The hardware design of the receiver according to the merged blue print for digital terrestrial television system in China was completed in this project.
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。
DTTB is the important part of Chinese radio and TV integrated coverage system.
本项目完成的是中国地面数字电视融合方案发端系统的FPGA设计与实现。
The FPGA-based hardware implementation of the transmitter of the merged blue print for digital terrestrial television broadcasting in China has been completed in this project.
目前我国已有有线数字电视、地面数字电视和IPTV三种数字节目传输方式。
At present our country has cable digital TV, digital terrestrial television and IPTV three digital transmission program.
本文主要实现了国标地面数字电视广播节目的接收、解调、解码、播放等过程。
This paper achieved national standard terrestrial digital television program reception, demodulation, decoding, playing and other processes.
介绍了地面数字电视广播(DVB - T)发射端的内编码和内交织的硬件实现。
Hardware implementation of inner coding and inner interleaving at the transmitter end of terrestrial digital video broadcasting (DVB-T) are introduced.
本文是根据国家地面数字电视联合技术工作组提出的地面数字电视融合方案而撰写的。
The paper is written according to merged scheme put forward by union technique work group of national terrestrial digital television broadcasting.
与有线数字电视和卫星数字电视相比，地面数字电视传输系统中的信道环境要复杂的多。
Compared with cable digital TV and satellite digital TV, channel to the environment of terrestrial digital TV transmission system is more complex.
在地面数字电视系统中，广播信道存在着突发噪声干扰和随机噪声干扰，而且前者的危害甚于后者。
In digital terrestrial television system, there is much burst and random noise in the broadcasting channel, and burst noise is more harmfully than random noise.
Mediaset则趁虚而入，在2005年买下了地面数字电视的足球转播权，并开展了自己的付费电视业务。
Mediaset duly bought football rights for digital terrestrial television in 2005 and launched its own pay-TV service.
中国地面数字电视广播标准GB20600- 2006是基于时域同步-正交频分复用(TDS - OFDM)系统的。
China digital television terrestrial broadcasting standard GB20600-2006 is based on TDS-OFDM (Time-Domain Synchronous orthogonal Frequency Division Multiplexing) systems.
仿真结果表明，本文提出的算法即使在很高的数据差错率情况下，仍然可以实现地面数字电视广播系统中可靠而高效的视频传输。
Extensive simulations have verified that, even with high packet error rate, the proposed scheme may achieve efficient and robust video broadcasting over DTTB systems.
讲述了地面数字电视广播系统中工作模式满足业务要求，传输覆盖网的运行良好，对保证接收质量重要，更保证覆盖网正常运行。
Tells the terrestrial digital broadcast system work mode, satisfy business, Transmission network operation is good, To ensure quality of receiving, More guarantee network normal operation.
众所周知，在一个完整的数字电视体系里，直播卫星、有线数字电视和地面数字电视是三位一体的构架，缺谁都将会造成一个残缺。
Known in a complete digital TV system, Live satellite, cable digital TV and terrestrial digital TV is a trinity frame, lack of which will cause a damaged.
信道估计和信道均衡无疑是数字电视地面广播标准接收机设计中所要考虑的核心问题之一。
Channel estimation and equalization are one of the core problems in the design of receivers in Digital Television Broadcasting-Terrestrial Standard.
本文分析了数字电视地面广播通信信道具有长脉冲响应的多径衰落的特点，从频域上表达了其多径衰落信道模型；
The characteristics of the digital television terrestrial broadcasting (DTTB) channels with long impulse responses are analyzed, and the frequency domain multipath channel model is given.
在单载波数字电视地面广播接收机中，可以采用对接收信号直接进行自适应均衡的方案。
For the single carrier Digital Television Broadcasting-Terrestrial receiver, the method of direct adapt equalization can be used.
数字电视地面广播(DTTB)是近年来国际上大学和企业研究的热点之一。
Digital Television Terrestrial Broadcasting (DTTB) is recently one of hot points researched by universities and enterprises around the world.
其中，数字电视地面广播（DTTB）最为复杂、覆盖范围最广。
The Digital Television Terrestrial Broadcasting(DTTB) is the most complex, the widest range among them.
数字电视广播主要通过卫星、有线及地面三种传输方式实现。
Digital television broadcasting has three main types: terrestrial, satellite, and cable-based digital TV.
分析了中国数字电视地面广播标准中的系统帧结构，并根据信号帧头的循环特性，提出了一种性能较好的信道估计算法；
The frame structure in Chinese DTTB standard is introduced, and a channel estimation algorithm with a better performance is given according to the cycle characteristics of the signal frame head.
本文介绍了一种用数字方式实现美国数字电视地面广播系统中的8VSB调制器的方法。
This paper describes the realization of ATSC 8-VSB Modulator of the VSB-based HDTV terrestrial broadcasting system by using almost all digital methods.
基于对数字电视地面传输系统复杂度和性能代价的综合考虑，提出以符号变换为基础的IC I自消除模块替换卷积码模块。
Based on synthesis consideration of complexity and performance cost, this paper proposed a modified scheme of using the ICI self-cancellation module to replace the convolutional coding module.
而数字地面电视广播与移动通信的融合使移动电话手机用户不仅可以收看数字电视广播，还可以提供电视网络上网。
The convergence of digital terrestrial TV broadcast network and mobile cellular phone network will enable user to watch TV and connect Internet through handset.
文章在分析地面传输信道特性的基础上，介绍了地面广播数字电视的DVB - T标准，探讨了其核心的正交编码频分多路复用COFDM技术、前端发射设备的系统结构及其优缺点。
Base on the analysis of terrestrial transfer channel, the paper introduces the DVB-T standard, and discuss the core COFDM technology as well as front-end transmit system structure.
深入研究了数字电视地面广播COFDM解调方案中的解映射软判决技术，提出了适用于该系统的信道状态信息CSI提取方法。
This paper investigates the soft decision of de-mapping technique in COFDM de-modulation scheme. It proposes a new method suitable for the scheme for extracting CSI from communication channel.
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