conditional access 中文意思是什麼

conditional access 解釋
條件存取
  • conditional : adj 1 帶有條件的，有限制的；視…而定的。2 【語法】條件的，假設的。3 引起條件反射的。n 【語法】條件...
  • access : n. 1. 接近；會面。2. 捷徑，門路〈指方法、手段〉；檢查孔；進路，入口；【自動化】（存貯器的）存取。3. （病的）發作；（怒氣等的）爆發。4. 增加。
  1. Determine scrambler and unify data interface through the adapter layer, to enable different type of conditional access system to set the descrambler by retrieving the descrambler code

    通過適配層對加擾層進行判斷並統一數據介面，使不同的條件接收系統都能成功提取解擾字對解擾器進行設置。
  2. Implementation of a kind of conditional access system

    一種條件接收系統的實現
  3. Cat conditional access table

    條件接收表
  4. From the beginning of the paper, i simply describe the future of the digital tv broadcasting development. then i introduce the conditional access ( ca ) system. i emphasize on the ca " s model and theory, and the implementation of the interfaces between the modules and the technology in the system

    本論文一開始簡單的敘述了數字電視廣播系統的發展及現狀，接著就圍繞有條件接收系統進行了介紹，並著重講述了有條件接收系統（ ca ）的原理和模型，相關的介面設計以及主要技術實現。
  5. Secondly, we research on the structure of ca system. according to the essential task of the ca system, we design the basic scheme of scrambling and descrambling, and describe the generating, handing out and pick - up of ecm and emm message. we also discuss the implement of the conditional access module in set - top - box

    根據ca系統的基本任務，設計了加擾、解擾的基本方案;描述了授權管理信息（ emm ） 、授權控制信息（ ecm ）生成、播發、提取的方法以及該信息生成模塊內各部件的介面關系;並對如何在機頂盒中實現條件接收功能模塊進行了探討。
  6. Conditional access in digital television

    數字電視中的條件接收系統
  7. Ca conditional access

    有條件存取有條件接收
  8. The development of conditional access system with our own ip is the key aspect for rapid acceptance of digital tv in our country

    開發具有我國自主知識產權的有條件接收系統（ conditionalaccess ）是推動，保證這種良好發展的關鍵
  9. But this will not become reality without the surport of another technology - conditional access system. conditional access system guarantee that only those entitled costomer can access services

    然而如果沒有另外一項重要的技術?有條件接收系統技術的保障，新的業務不會變成現實，因為電視運營商不願意做沒有回報的投資。
  10. 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。
  11. The essential intention of conditional access system ( cas ) is to achieve pay - tv of the digital broadcast system by means of subscriber management and authorization control. so cas is the key technology to realize the pay - tv and interact - tv. based on composite technology in transport layer, paper describes the production and structure of transport stream in mpeg - 2 standard, mpeg - 2 program special information and conditional access definition in service information from dvb standard

    有條件接收系統（ conditionalaccesssystem ， cas ） ，其基本目的是通過對用戶的授權控制和管理，實現數字廣播電視系統的有償服務，在為運營商帶來經濟上回報的同時，也能為用戶提供更多、更高質量的服務內容，它是實現付費電視、交互電視的關鍵技術。
  12. This paper discusses the smart card decryption scheme which is used for conditional access ( ca ) system. the main contents of this paper are as follows : chapter 1 gives an overview of the worldwide studies of the smart card technology and ca technology, and put forward the direction of this dissertation

    第二章，結合課題需要，系統地研究了智能卡的基本原理及其相關國際標準，分析了有條件接收（ conditionalaccess ， ca ）技術的基本原理和數字視頻廣播（ digitalvideobroadcasing ， dvb ）中的ca關鍵技術，對系統涉及的des及rsa密碼演算法進行了概述。
  13. In this dissertation, the pivotal points relating to conditional access system, including the framework of mpeg - 2 system layers, the de - multiplexing of mpeg - 2 system, the service information table of mpeg - 2 and dvb, the encryption and decryption method for digital tv conditional access system, are fully discussed according to the market requisition. there is also a probe into the feasibility and security aspect of the coherent descramble algorithm

    本論文結合市場需要，詳細研究探討了與數字電視有條件接收系統緊密相關的部分關鍵技術，包括mpeg - 2系統層結構分析、 mpeg - 2系統復接技術、 mpeg - 2與dvb中業務信息表分析、數字電視有條件接收加解擾技術
  14. Caid conditional access identifier

    有條件存取接收標志
  15. Common interface specification for conditional access and other digital video broadcasting decoder applications ; german version en 50221 : 1997 corrigendum : 2000

    有條件存取和其它數字電視廣播譯碼器用共用介面規范
  16. Finally, the system test content for serial conditional access and the solution for the problem in test are given

    最後文章給出了串口條件接收系統測試內容，及測試過程中所遇到問題的解決方案。
  17. Ca ( conditional access ) is a future function and we plan to use our own ca system

    Ca （條件接收）功能為本系統預留實現的功能，初步計劃使用自行設計的ca系統。
  18. Chapter 3 describes detailedly an advanced solution of conditional access system, including the details of scramble / descramble and encrypt / decrypt

    第三章介紹了一種多層加密條件接收系統的詳細設計方案，包括加解擾系統、加解密系統。
  19. I will now move onto what steps the industry and the government can do. the terrestrial tv broadcasters are considering the current content protection methods available in the world, such as the broadcast flag used in the states, the high bandwidth digital content protection method, the b - cas card conditional access system used in japan

    地面電視廣播業界正探討著世界各地現行的節目內容防護方法，例如美國使用附加「 broadcastflag 」 （廣播標記）的方法、高帶寬頻數碼內容保護（ 「 highbandwidthdigitalcontentprotectionmethod 」 ） 、日本使用b - cas卡的數位鎖碼系統」 （ 「 b - cascardconditionalaccesssystem 」 ）等。
  20. Conditional access ( ca ) is a technology used to control access to digital television ( dtv ) services to authorized users by encrypting the transmitted programming. an emm provides general information about the subscriber and the status of the subscription. the emm is sent with the ecm

    數字電視用戶管理系統通過對用戶訂購信息的記錄與處理，形成用戶數據庫，並經由與條件接收系統的介面，向條件接收系統發送用戶授權管理信息的基本數據，條件接收系統據此實現對用戶收看數字電視節目的控制。
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