stb dtv 中文意思是什麼
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Set top box ( stb ) receives and transforms digital tv signals into the signals which analog tv sets can display. it ’ s an important transition product of dtv system
機頂盒用於數字電視系統中將數字信號轉變成模擬電視可以接收的信號，它是數字電視的過渡型產品。 -
Conditional access technology ( pay - tv ) has been considered the motivity and trend of the development of digital television ( dtv ) in the globe. but in the common pay - tv system, the key which is used for decoding is stored in the set - top - box ( stb )
在全球范圍內，有條件接收（付費電視）業務已被確認是數字電視發展的動力和趨勢，但是，在通常的付費電視系統中，用戶的解碼解密模塊均被置於機頂盒中，系統安全性較低。 -
Established in 1999, bluetop technology, the leading manufaturer of mpeg2 transport stream test & measurements in digital tv market, is specialized in providing high performanced tools to worldwide broadcasters, stb manufactures, dtv labs, etc
北京藍拓撲電子技術有限公司成立於一九九九年二月，致力於為用戶提供高精度、高可靠性的數字電視測試設備和解決方案，是領先的數字電視測試測量設備和方案的專業提供商。 -
Dtv ( digital tv ) is in a period of rapid development in the world. there areabout 4 billion of analog tv sets in china, therefore it is a good choice to useexisting analog tv sets equipped with stb ( set top box ) during the transition
當前全世界的數字電視產業正處於一個飛速發展的黃金時期，我國也正在積極地籌備從模擬電視到數字電視的轉換，由於我國現有4億多的模擬電視，所以採用模擬電視加上數字電視機頂盒收看數字電視節目的過渡方式比較適合我國現有國情。 -
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。 -
Through using si analyse in the hardware design of a dtv set top box ( stb ), the main contribution of this paper is to give a series of solutions for si problems according to theoretically analyse and real works. advanced measuring systems have also been shown in the paper. with the help of this paper, the stb system of a world famous corporation has successfully get wide using of ddr sdram
本文的主要工作是在針對消費類電子（ consumerelectronics ）領域中的數字電視接收機頂盒進行硬體設計的過程中，引入信號完整性分析的設計方法進行高速數字電路的設計，利用理論分析作為設計指導，通過測量、模擬和實際布板的結果進行驗證，得出一系列針對信號完整性問題的解決方案和設計流程，成功地解決了某世界著名企業的機頂盒系統中ddr存儲器工作頻率無法提高的問題，在新一代的機頂盒產品中廣泛使用ddr存儲器，在很大程度上提高了系統的性能，滿足了市場的需求。
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