English translation for "数字电视地面"

dttb

Related Translations:

地面:  1.(地的表面) the earth's surface; ground 短语和例子低于地面 beneath ground level2.[建筑] (建筑内铺筑的一层东西) ground; floor 短语和例子水磨石地面 terrazzo floor3.(地区) region; area; territory 短语和例子这一带属辽宁地面。 this region is w

地面电视:  terrestrial television

Example Sentences:

	1.	Dvb - t ( digital video broadcasting ) specification is one of the dttb standards . it has better results in digital television program terrestrial reception test and has good appraisement in digital television broadcasting industry Dvb - t ( digitalvideobroadcasting )是目前国际认可的数字电视地面广播标准之一，也是广播电视业及多国数字地面电视接收测试中评价最高的地面电视广播标准。
	2.	In this paper , we first introduce the development of high definition television in our country and the principle of cofdm technique , followed by comparing the two channel transmission standards between atsc and dvb - t for digital terrestrial television 本文介绍了高清晰度数字电视在国内的发展状况，并将国际上的两大数字电视地面广播信道传输标准atsc和dvb - t进行了比较，在此基础上进一步阐明cofdm传输系统的原理和特点。
	3.	Onjanuary22nd , 2005 , the “ zhongshi number one ” digital television ground transmission chip , independently researched by microelectronic research institute of fudan university and produced by shanghai hongli semiconductor and smi , passed the technical evaluation hosted by ministry of education and participated by academicians from chinese academy of sciences and chinese academy of engineering 2005年1月22日，由复旦大学微电子研究院自主设计、上海宏力半导体和中芯国际本土制造的“中视一号”数字电视地面传输芯片，通过了由国家教育部主持、中国工程院和中国科学院院士参与的技术鉴定。
	4.	This thesis based on europe dvb - t cofdm ( coded orthogonal frequency division multiplexing ) system , does a lot of research from the development , the technique instrument of dttb to the whole dvb - t system structure and system flow . then brings forward its own ideas and optimizing advices after the stimulation of normal dvb - t system . firstly the thesis describes the needed conditions , the technical difficulties and the present problems of dttb 本课题就是基于欧洲dvb - tcofdm系统技术，从当前数字电视地面广播的发展，数字电视地面广播标准的技术手段到完整的dvb - t系统流程，做了一定的研究工作，并根据标准dvb - t系统做了建模仿真和分析，提出了对dvb - t系统的认识和优化设想。
	5.	And pays emphasis on analyzing the system structure and system flow , the core techniques , the channel characteristic and parameters of dvb - t system . the system adopts some core techniques such as cofdm , a lot of tps ( transmission parameter signalling ) insert and guard interval , and so on . so it can withstand high - level ( up to odb ) , long delay static and dynamic multipath distortion 论文首先描述了数字电视地面广播的需求条件，技术难点和目前存在的问题，并重点分析了dvb - t系统结构流程，核心技术及系统信道特性和参数，该系统采用了cofdm (编码正交频分多路复用) ，大量导频信号插入和保护间隔技术等核心技术，使之能抵抗高电平( 0db ) ，长延时的静态和动态多径失真，有利于数字和模拟电视的混合传输，它的多载波调制模式功能和性能在移动和便携接收、同频网等方面具有独特的优势。
	6.	Dttb ( digital television terrestrial broadcasting ) is one of the present digital television broadcasting modes , whose transmission media is earth . after a decade of intense research and development , the standards of digital television satellite broadcasting and digital television cable broadcasting have been confirmed . but the standard of digital television terrestrial broadcasting is still in disputation , for its transmission environment is rather awful , its spectrum resource is very limited and its service required is disperse , so it is potential to be improved in many aspects 数字电视广播发展近十年来，卫星和有线电缆广播的基本传输体制已确定，而地面广播由于传输环境恶劣，频谱资源有限，应用需求分散，其标准在各国仍有极大的争议，因为目前没有一套标准能解决实际地面传输中的所有问题，因此数字电视地面广播在许多方面都有很大的改进潜力。
	7.	As the step of the color tv ( the second generation ) to the digital tv ( the third generation ) is larger and larger , the research of digital television terrestrial broadcasting ( dttb ) become more and more important in china , we are concentrating on the standard of dttb which is suit for our country after describing and analyzing the technical stipulation and speciality of dttb , this paper compares atsc 8 - vsb with dvb - t cofdm and isdb - t bst - ofdmo the emphasis of this article lies in the technical solution about transferring system , channel coding is important component of dttb , which can resist from the bad circumstances o because of lots of varieties and different performance , channel coding become one of the emphasis of the research work this paper analyzes and researches the theory and performance of the different channel coding particularly , points out an effective theoretic analysis method and computer demo of performance comparison a theoretical method for estimating the performance of concatenated codes is proposed in this paperc this is achieved by combining the performance of single level coding rayleigh fading channel and the character of channel modulation it may be useful to research and development of the future digital television terrestrial broadcasting standard of our country 信道纠错编码是数字电视地面广播传输系统的重要组成部分，是抵御地面恶劣环境的有效手段。由于信道编码的种类繁多，性能各异，因此是目前研究工作的重点之一。本文详细分析和研究了几种信道纠错编码的原理和性能，并针对外码内码级联纠错结合地面信道瑞利衰落提出了一种有效的理论分析方法和性能的计算机比较演示方案，总结了不同级联方案的性能特点，对于我国目前的数字电视地面广播标准的研究和信道级联纠错方案的确立及其参数选择具有一定的参考价值。

Similar Words：

"数字电容表" English translation, "数字电视" English translation, "数字电视编码器" English translation, "数字电视标准" English translation, "数字电视传输" English translation, "数字电视地面传输国家标准" English translation, "数字电视地面广播" English translation, "数字电视调谐器" English translation, "数字电视多标准解码（器）" English translation, "数字电视隔行扫描" English translation