catv system 中文意思是什麼

catv system 解釋
電纜電視系統
  • catv : 1. Community antenna television 有線電視。2. cable TV.
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. The catv charge and control system has excellent compatibility with other signals and no astriction in signal format, so you doesn ` t need to worry about its future. the system involves many technical fields, including controls of computer 、 communication 、 high frequency of electric circuits, and now it serves for more than 1, 000, 000 customers

    該系統涉及多個研究領域，包括計算機控制、通信、高頻電子電路等多個領域的知識，涉及用戶多達60萬戶。
  2. Technical specification of catv broadcasting system

    有線電視廣播系統技術規范
  3. A multimedia distance learning system based on catv network

    網的多媒體遠程教學系統
  4. Addressing control system of catv based on at89c

    2051單片機智能溫度控制系統
  5. Technical code for regunation of catv system

    有線電視系統工程技術規范
  6. By the realization progress of shida catv ( community antenna television ) addressable managing system, the paper studies about the database application based on client server model

    本文通過視達有線電視可尋址系統的實現，對基於客戶/服務器模式的數據庫應用進行探討。
  7. The catv charge and control system is mainly composed of the management software 、 the header data modulator and the terminal charge and control equipment. i am responsible for design catv charge and control equipment and test system. the header data modulator is used to encrypt the control single from computer and transmit it into the appointed frequency. the terminal charge and control equipment demodulate out the control single from data modulator and transmit it to the addressing control part, where the demodulated fsk single is received and well - handled by the cpu unit, decode the unauthorized signals and deliver it to the shut point, shut point make use of capability of wideband anf characteristic of shut, then the signal of illegal customer will be turn off and vice versa, the legal customer can receive the normal signal

    前端數據調制器完成對計算機輸出的控制信號加密處理，將指令碼載送到一指定頻率點。終端收費控制器解調出控制信號，送至單片機尋址控制部分。單片機尋址控制部分接收經fsk數據解調器送來的信號，送入cpu單元后，解出不授權信號，然後向關斷部分送入信號，關斷部分利用pin二極體的寬帶工作能力以及關斷特性，實現對非授權用戶或者非法用戶的信號關斷，使之不能正常收視，繳費用戶進行開通正常收視，達到控制用戶通道的管理。
  8. Technical code for catv system

    有線電視系統工程技術規范
  9. Catv system - antenna part

    共用天線電視系統天線部分
  10. The products are widely used in home electronics, telecom networks, illumination, electric power system, catv etc

    產品廣泛用於家電通信系統照明系統電源系統電視衛星接收系統及其他領域等。
  11. Regulations for operations and maintenance of catv broadcasting system

    有線電視廣播系統運行維護規程
  12. Made by fiber optic, used for communication system and catv double

    具有優異的光學性能和高可靠性。
  13. To make itself compatible the transmission mode of the conventional catv system, the bandwidth of hfc system is divided into many 8mhz channels, which include downstream and upstream channels

    為了兼容傳統的有線電視傳輸模式， hfc網路帶寬首先被頻分為若干個8mhz的頻道，這些頻道被統一劃分為下行和上行通道。
  14. The central control room is able to monitor and control the real - time system running status and alarm information in the local stations via the network using web browser. it enhances the efficient and timely management in the local control rooms, ensures the effectively remote control and consequently supports the safety of the transmission for the catv and the program

    通過web方式實現對各分站的管理，使得各分站的管理更及時高效，實現無人職守的遠程聯網監控管理，出色地完成國家廣電總局關于「確保有線電視網路和節目傳輸絕對安全」任務發揮了重要的作用。
  15. Specifications and methods of measurement on scramble descramble system used for analog tv signal in catv systems

    有線電視模擬電視信號加解擾系統入網.技術要求和測量方法
  16. Belonging to open structure airproof tie - in system of machine pressure, it is widely used for communication, network system, cabled t. v. of catv, the fiber optic cable by network, the direct and branch connect - ion, the body adopts the high and strong function engineering plastics, structure forerunner, legerity. have also dependable functions of airpr - oofing and endureing lightning strike

    屬于開啟式機械壓力密封接頭系統，廣泛用於通信網路系統， catv有線電視光纜網路系統，可直通分支，盒體採用高強性能工程塑料，結構先進，輕巧並具有可靠的密封性及抗雷擊性能，並適用於架空，管道，附桿及戶內等安裝。
  17. Belonging to open structure airproof tie - in system of machine pressure, it is widely used for communication, network system, cabled t. v. of catv, the fiber optic cable by network, the direct and branch connection, the body adopts the high and strong function engineering plastics, structure forerunner, legerity

    屬于開啟式機械壓力密封接頭系統，廣泛用於通信網路系統， catv有線電視光纜網路系統，可直通分支，盒體採用高強性能工程塑料，結構先進，輕巧並具有可靠的密封性及抗雷擊性能，並適用於架空，管道，附桿及戶內等安裝。
  18. The high - speed data broadcasting system is compatible with almost all existing standard catv equipments and can be applicated to networks including the national state or the 1ocal without changing the existing network

    該系統在不改造現有網路的基礎上，與目前絕大多數標準的有線電視傳輸設備兼容，可應用於覆蓋全國、各省市、地市以及縣區鄉鎮的有線電視網路。
  19. It is targeted as the " content provider " to match with the catv system stations operation, which focus on the audience acceptance rate

    它是以「信息提供」為目標，收視率為中心的有線電視系統實施。
  20. With the development of conventional catv system and the completion of its equipment ' s tow - direction upgrading ， hfc （ hybrid fiber coax ） has become an important way to provide the two - direction integrating broadband service to users

    隨著傳統有線電視網路及其設備雙向改造的完成， hfc （ hybridfibercoax ） ，即光纖同軸混合網已成為向用戶提供雙向寬帶綜合業務的重要途徑。
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