綜合數字接入 的英文怎麼說

中文拼音 [zōnggěshǔzìjiērù]
綜合數字接入 英文
ida integrated digital access
  • 綜 : 綜名詞[紡織] （織布機上使 經線交錯著上下分開以便梭子通過的裝置; 綜片） heddle; heald
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 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 ...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 入 : Ⅰ動詞1 （進來或進去） enter 2 （參加） join; be admitted into; become a member of 3 （合乎） conf...
  • 綜合 : 1 （歸在一起; 聯合成一個統一的整體） synthesize 2 （不同種類、不同性質的事物組合在一起） syntheti...
  • 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
  • 接入 : insert; join up; switch on; cut over; turn on; switch in; reset; put in; place in; cut in; throw ...
  1. With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end

    隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。
  2. In areas where it is still too early to promote fiber access, xdsl, ethernet or cablemodem can be deployed to provide broadband, integrated and digitized services. gradually, such ad hoc technologies should be evolving to an all fiber access network, in which fiber optics, complemented by wireless access means, will ultimately play a leading role

    在發展光纖接入的條件還不成熟的地區和城市，可以選擇xdsl 、以太網技術或者cablemodem等接入技術來開展寬帶化的、綜合化的、數字化的業務，並逐步過渡到光纖接入，過渡到以寬帶光纖接入為主、無線接入為輔的寬帶接入網。
  3. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  4. Along with the coming of computer age, digitizing, broad banding and intelligentization became the trends of future communication progress. users put more expectations to communication service. access network connecting local exchange with user is an important part of telecom network

    隨著通信與計算機整合時代的到來，數字化、寬帶化和智能化已成為未來通信發展的方向，人類社會對電信業務從質量到業務種類都提出越來越高的要求，而接入網作為電信網的重要組成部分，連接本地交換機與用戶，是整個電信網的毛細血管和瓶頸，實現數字化、寬帶化和業務綜合化的關鍵。
  5. With the rapid growth of internet, the demand for network service has gone up quickly. to meet the increasing demands of our local people, we have built a broadband man ( metropolitan - area networks ) in changsha city. this network makes up of gsr ( gigabit switch router ), l3 ( layer three switch ), bas ( broadband access server ), l2 ( layer two switch ), dslam ( digital subscriber line access multiplexer ) and hfc ( hybrid fiber coaxial )

    本文在長沙寬帶城域網現行gsr （吉比特交換路由器） （ l3 （三層交換機） bas （寬帶接入服務器） （ l2 （二層交換機） dslam （數字用戶線接入） hfc （混合光纖同軸技術） ）組網方案和長沙電信已有業務平臺的基礎上，設計了長沙寬帶城域網用戶綜合管理系統。
  6. In accordance with requirements for successfully hosting the olympics, proper readjustment concerning “ tenth 5 - year ” programme for beijing ' s informatization must be made, building “ digital beijing ” sped up, priority given to the construction of beijing ' s informatization in the key fields and sectors such as comprehensive sector ( e - government, and broad band and network connecting project ), resource and environment, planning and construction and people ' s economy all closely related to the olympics so as to create powerful back - up environment for “ digital olympics ”

    根據成功舉辦奧運會的要求，適當調整首都信息化"十五"規劃，加速"數字北京"建設，優先推進與奧運會關聯度較高的綜合類（如電子政務、寬帶接入網工程等） 、資源環境類、規劃建設類、人文經濟類等重點領域和行業的城市信息化建設，為"數字奧運"提供強有力的支撐環境。
  7. In the end, a kind of completely opened remote digital access developing platform that faced to the network application is discussed in detail. because some standard data modulation protocols are bundled in it, a whole high - speed modem solution for the digital accessing system can be achieved in a single chip. and then the system has a very high - synthesized performance

    本文還詳細探討了一種直接面向網路系統應用、完全開放的遠程數字接入開發平臺，該平臺由於捆綁了一些標準的數據調制協議，可單片實現數字接入部分高速調制解調整體解決方案，具有較高的綜合性能。
  8. First, xml technique is adopted to express message as xml documentation to satisfy the requirements of c / s network communication system, a message transport protocol is brought forward for package and transport of all the data over a steady tcp socket, which is applied to asynchronous, secure and reliable communications

    首先，在綜合分析客戶機服務器模型中通信系統整體要求的基礎上，引入了可擴展標記語言，制定了一個適用於異步、低可靠網路環境的跨平臺消息傳輸協議，用以封裝所有傳輸在tcp ip套接字上的數據。
  9. Ist ( the integrated services terminal ) is a equipment based on a new kind of catv network, which makes users not only carry out these functions such as internet, dtv and ip telephone, but also enjoy the increment operation including ordering video programme, shopping at home, network game, long - distance education on only one net

    綜合業務終端是基於新型有線電視接入網向家庭用戶提供綜合業務的設備，通過一個網路，它可以讓用戶不但實現網際網路接入、數字電視、 ip電話等功能，同時還可享受視頻點播、居家購物、網路游戲、遠程教育等豐富的增值業務。
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