數字電視地面 的英文怎麼說

中文拼音 [shǔzìdiànshìdemiàn]
數字電視地面 英文
dttb
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 視 : Ⅰ動詞1. （看） look at 2. （看待） regard; look upon 3. （考察） inspect; watch Ⅱ名詞（姓氏） a surname
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 電視 : television; t. v. ; teevee
  1. The mathematic model of antenna is used in digital tv system network layout and simulation. the disquisition educes the mathematic model of omnidirectional multilayer tv antenna

    摘要這里利用電磁場理論和計算機輔助分析的方法導出電視工程常用的全向多層振元電視系列天線的數學模型，並應用於地面數字電視的單頻網組網實踐。
  2. This terrestrial digital broadcast system means that more people will be able to use the service. imagine what our phones will be able to do in another 130 years ' time

    這種地面數字電視廣播系統使得更多人能夠使用這項新服務。設想一下，再過130年，手機不知又會出現哪些用途呢！
  3. A scheme that to use digitalized catv signals in some inner areas while to use microwaves in some areas for where with no probability using the cable network, which is an extraordinary perfect transition measure, efficiency, economy and a shortcut, before the digital television terrestrial broadcasting standards come into practice

    廣播電視部門在地面廣播標準尚未出臺、直播衛星也未開通以前，採用有線電視的標準，利用有線電視數字電視信號，通過微波在有線網路之外進行無線補充覆蓋，高效、經濟、快捷，是一個非常理想的過渡辦法。
  4. The merged blue print for digital terrestrial television broadcasting which suits to the developing status of dtv in china is a standard of the chinese dtv - t. ldpc code is used as fec

    中國地面數字電視廣播融合方案是根據中國數字電視發展現狀提出的一套地面數字電視標準，其中使用ldpc碼作為前向糾錯編碼。
  5. With the development of digital tv, the change of broadcast tv from analog to digital has been the general course of development. usa, japan and europe have established their respective digital tv standard. dvb ( digital video broadcasting ) standard of europe talent showing itself gradually, dvb - t ( digital video broadcasting terrestrial ), dvb - c ( digital video broadcasting cable ) and dvb - s ( digital video broadcasting satellite ) has been applied widely in all country

    隨著數字電視的發展，廣播電視由模擬向數字的轉變已經是大勢所趨，美國、日本和歐洲先後制定了各自的數字電視標準，而歐洲的dvb （數字視頻廣播）系統逐漸脫穎而出，其中的dvb - t （數字地面廣播電視） 、 dvb - c （數字有線廣播電視）和dvb - s （數字衛星廣播電視）已在各國有廣泛的應用。
  6. Terrestrial digital tv transmission can deliver signals to fixed tv sets and mobile televisions such as the ones on buses

    地面進行數字電視傳輸可以將信號傳到固定電視機和諸如公交車上安裝的移動電視上面。
  7. 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 ）是目前國際認可的數字電視地面廣播標準之一，也是廣播電視業及多國數字地面電視接收測試中評價最高的地面電視廣播標準。
  8. 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

    本文介紹了高清晰度數字電視在國內的發展狀況，並將國際上的兩大數字電視地面廣播通道傳輸標準atsc和dvb - t進行了比較，在此基礎上進一步闡明cofdm傳輸系統的原理和特點。
  9. 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，由復旦大學微電子研究院自主設計、上海宏力半導體和中芯國際本土製造的「中視一號」數字電視地面傳輸晶元，通過了由國家教育部主持、中國工程院和中國科學院院士參與的技術鑒定。
  10. 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

    本課題就是基於歐洲dvb - tcofdm系統技術，從當前數字電視地面廣播的發展，數字電視地面廣播標準的技術手段到完整的dvb - t系統流程，做了一定的研究工作，並根據標準dvb - t系統做了建模模擬和分析，提出了對dvb - t系統的認識和優化設想。
  11. 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

    論文首先描述了數字電視地面廣播的需求條件，技術難點和目前存在的問題，並重點分析了dvb - t系統結構流程，核心技術及系統通道特性和參數，該系統採用了cofdm （編碼正交頻分多路復用） ，大量導頻信號插入和保護間隔技術等核心技術，使之能抵抗高電平（ 0db ） ，長延時的靜態和動態多徑失真，有利於數字和模擬電視的混合傳輸，它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  12. 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

    數字電視廣播發展近十年來，衛星和有線電纜廣播的基本傳輸體制已確定，而地面廣播由於傳輸環境惡劣，頻譜資源有限，應用需求分散，其標準在各國仍有極大的爭議，因為目前沒有一套標準能解決實際地面傳輸中的所有問題，因此數字電視地面廣播在許多方面都有很大的改進潛力。
  13. 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

    通道糾錯編碼是數字電視地面廣播傳輸系統的重要組成部分，是抵禦地面惡劣環境的有效手段。由於通道編碼的種類繁多，性能各異，因此是目前研究工作的重點之一。本文詳細分析和研究了幾種通道糾錯編碼的原理和性能，並針對外碼內碼級聯糾錯結合地面通道瑞利衰落提出了一種有效的理論分析方法和性能的計算機比較演示方案，總結了不同級聯方案的性能特點，對於我國目前的數字電視地面廣播標準的研究和通道級聯糾錯方案的確立及其參數選擇具有一定的參考價值。
  14. Standards of digital tv broadcast has specified transmitting systems which are based on various medium such as satellite - oriented transmitting system ( dvb - s ), cable - oriented transmitting system ( dvb - c ), terrestrial - oriented transmitting system ( dvb - t ). different system adopts different methods of channel codec, modulation and demodulation, but for signal source block codec, only mpeg - 2 standard has been applied for all the systems. as a compression standard being specified in digital tv broadcast transmission, mpeg - 2 has been widely involved on compression occasion

    對于數字電視信號的傳輸，數字電視廣播標準制定出基於多種媒質傳輸的傳輸系統，如衛星傳輸系統（ dvb - s ） ，電纜電視傳輸系統（ dvb - c ） ，地面廣播（ dvb - t ） ，不同的傳輸系統制定不同的通道編碼和調制解調的方法，但是對于所有傳輸系統的信源編碼則一律採用mpeg - 2這一標準。
  15. Steps must be taken to set up digital cable tv network, digital live satellite tv system, digital terrestrial tv system and digital broadcasting system, in a bid to realize the analog - to - digital conversion of the broadcasting system to provide digital tv and related value - added services

    建立數字有線電視網、數字衛星直播電視系統、數字地面電視系統、數字廣播系統，實現廣播電視系統從模擬向數字的技術轉變，提供數字電視及其增值服務。
  16. One of the most important events in the history of the development of tv technologies is the implementation of digital compression technology, which leads tv industry into a new rapidly developing stage. with satellite, cable and terrestrial transmission channels, dvb, of which the digital compression is the core technology, has such features as two - way channels, interactive functions, etc. in dvb system, the information of video, audio and text is digitalized and integrated to form a new kind of tv program. furthermore, through online digital information broadcasting, people can browse information of other programs while watching several programs just as they have done on the internet

    電視技術發展史上最重要的里程碑是數字壓縮技術的廣泛應用，它將電視事業帶入一個新的高速發展時期，以數字壓縮為核心技術的數字電視廣播通過衛星有線和地面傳輸具有多功能雙向傳輸交互性等特點，不僅將圖像聲音和文字等信息數字化，而且將有關信息相互鏈接並有機地結合在一起形成了新的節目形態，特別是其採用了數字信息在線廣播方式，觀眾在收看到多套節目的同時還可以像訪問網際網路那樣瀏覽其它節目信息。
  17. Digital stb have got the prominent position in the digital stb development in dtv process, but in digital stb development, the software development is again very important, this paper research to the digital stb software technique and development joins together the st hdtv hardware flatform, the principle of real - time kernel and application is discussed, an epg scheme is investigated, and the scheme are realized in the system ; proceeded the research to the user interface sub - system, give the detailed design of the system, these functions or module are success from the software system at application

    數字機頂盒在數字電視的發展過程中有著舉足輕重的地位，而在數字機頂盒的開發中，軟體的開發又很重要，本文結合st公司的hdtv硬體平臺、對數字機頂盒的軟體技術進行研究與開發，對實時內核的原理和提供的服務進行分析，研究了一種電子節目指南的方案，並在系統中實現了該方案，從而證實了該方案的可行性;對用戶介面子系統進行了研究，給出了該系統的詳細設計，從軟體系統在產品中的應用來看，這些功能或模塊的設計比較成功。
  18. The aim of this paper is to design the controlling system of bdb - t scheme of dttb

    本論文主要研究數字高清晰度電視地面廣播bdb - t傳輸方案的控制系統。
  19. Tds - ofdm and 3 digital television ground transmission standards overseas have the same exterior physical interface, and it has successfully solved dilemmas such as creating an independent standard and lower product costs

    Tds - ofdm和國外現有的3個數字電視地面傳輸標準具有相同的外在物理介面，成功地解決了自主標準的快速產業化和降低產品成本的難題。
  20. Pay more attention to free digital terrestrial television broadcasting in china

    中國地面數字電視廣播的普遍服務策略
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