數字網路體系 的英文怎麼說

中文拼音 [shǔzìwǎnglùtǐxì]
數字網路體系 英文
digital network architecture
  • 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 ...
  • 網 : Ⅰ名詞1 （捕魚捉鳥的器具） net 2 （像網的東西） thing which looks like a net 3 （像網一樣的組織或...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 體 : 體構詞成分。
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 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
  • 網路 : 1. [電學] network; electric network2. （網） meshwork; system; graph （指一維復形）; mesh
  1. We now specialize in the design and manufacture of motherboards, panel pcs, barebones, ( ia ) accessories and embedded systems, and our product portfolio is focused on embedded system which could be applied to the uses of internet appliance ( ia ), digital video recorder ( dvr ), network application storage ( nas ), network application devices ( nad ), kiosk, and point of sale ( pos )

    本公司致力於主機板，平板電腦及各類準系統產品的設計及製造，主打嵌入式系統的各項應用，以滿足客戶在網路，數字監控，網路存儲設備，網路應用，多媒體查詢終端， pos機和精簡型電腦等方面應用需求。
  2. The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data

    第二章在分析電子提單運作中的安全隱患的基礎上，歸納出其六大安全要素，即系統的可靠性、交易者身份的真實性、數據電訊的機密性和完整性、數據電訊的合法有效性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析：第三章介紹了電子提單網路安全體系的建立以及系統安全保護法規，第四章則介紹了電子提單的安全認證機構，第五章介紹了信息加密技術以及各國立法對密碼技術的進出口及使用的控制，第六章介紹了數字簽名的概念及原理，並以bolero為例介紹了數字簽名的技術方式，對有關法律問題作了論述；第七章首先論述了電子提單對有效性的法律需求，然後結合國內法和國際規則的規定論證了數據電訊制度產生的必然性；第八章通過對各國立法對電子證據的法律效力的規定，論述了對電子交易至關重要的數據電訊的不可抵賴性。
  3. As a whole the system may compart three modules : ndis drivers in the kernel mode, the dll program in the user mode and the user application program, adopting the share memory technology three modules realize the data share of the control canal rule, the encapsulation data and the network neiborhood name and so on, so we can easily finis1 " the packet authentication by the control canal rule, improve the filtering efficiency of the system. whereas the current of firewall technology, the system has wide utily value and business value. this software is based on windows 2000 operating system, the programming language is chosen as visual c + + 6. 0 and win2000 ddk

    從總體上可以劃分為以下三個模塊：核心層的ndis網路驅動程序、應用層的動態鏈接庫程序以及用戶應用程序，這三個模塊之間通過內存共享技術完成對控管規則、封裝數據、網上鄰居名字列表等數據的讀寫操作，從而很方便的根據控管規則實現了對網路封包的認證操作，提高了系統的過濾效率。鑒于目前防火墻技術的發展趨勢，本系統具有廣泛的實用價值和商業價值，因此具有一定的推廣前景。軟體的開發基於windows2000操作系統，開發語言採用visualc + + 6 . 0和win2000ddk 。
  4. This paper proposes a new method on remote data collection system which embeds the handwritten chinese character input in the terminal product and handwritten chinese character recognition software in the server on the other side of the internet. the chinese characters are input via the touchpad and converted into digital data signals

    在該系統中，將手寫輸入和網路功能嵌入工業產品中，在產品端實現用觸摸屏進行手寫數據輸入，手寫數據以漢字點陣形式通過撥號網關傳送給遠端企業網服務器，然後在服務器端使用漢字識別軟體實現文字脫機識別。
  5. ( 1 ) modeling of numerical analysis of frozen soil ventiduct roadbed by ann ( 2 ) developing the ann optimization design system for ventiduct roadbed in permafrost area ( 3 ) defining of the sequel learning tactic of three layer bp network ( 4 ) improvement on bp arithmetic in ann module

    （ 2 ）開發了凍土通風管路基優化設計神經網路分析軟體系統具有完整的前後處理、溫度場分析、設計方案優化等功能，能滿足工程應用的基本需要。還能夠作為數值分析子模塊，以標準com組件形式嵌入「青藏鐵路數字路基」 gis系統。
  6. Company now have independence develop ten many china patent and many independence intellectual property ' s software copyright ' s product ; company major product : cable television consumer management control system ( but look for address 2 - 8 branches allot style, 8 - 32 gather line style ) ; shoot frequently plus unfasten harass system ( crowd plus crowd unfasten, cent two sections, point channel shan unfasten ) ; video frequency number subsections plus unfasten harass system ; cable television network burglarproof sow system ; number cable television product is with number mmds ( microwave ) systematically ; general purpose type prevent thunder supply electric appliances, shoot frequently automate supply electric appliances, but look for address control supply electric appliances ; power supply prevents thunder protection product ; pass flow branch, dispenser, split utensil, cavernous wave utensil, power supply inserts utensil, but transfer attenuator, but transfer equalizer wait for

    目前擁有十多項中國專利和多個自主知識產權的軟體版權的產品；公司主要產品：有線電視用戶管理控制系統（可尋址2 - 8戶分支分配式、 8 - 32戶集線式） ；射頻加解擾系統（群加群解、分兩段、按頻道單解） ；視頻數字分段加解擾系統；有線電視網路防盜播系統；數字有線電視產品與數字mmds （微波）系統；通用型防雷供電器，射頻自動控制供電器，可尋址控制供電器；電源防雷保護產品；過流分支、分配器，分流器、陷波器、電源插入器，衰減器、均衡器等。
  7. The design method and implementation problem for embedded digital multimedia terminal of network teaching system were discussed in this paper

    本文主要研究了數字多媒體網路教學終端系統的設計方法和實現問題。
  8. The second one is how can we capture the data just before they are sent out or received in. the third one is how can we inform our monitor or debugger process this event, transfer the data to the monitor or debugger, and get the results back. as far as microsoft windows operation system is concerned, which mostly has been installed on personal computers and partly server cmputers, softwares access data in internet through windows socket application program interface

    就被廣泛安裝在個人計算機和一部分服務計算機的微軟視窗操作系統而言，軟體通常通過操作系統提供的套接字網路介面訪問網路數據，在視窗操作系統上有兩套網路介面，一是由伯克勒大學設計，被稱之為bsd套接字的介面，由阻塞同步和非阻塞異步以及輪循機制控制輸入和輸出工作;另一套是微軟公司開發的窗口套接字，由網路消息事件驅動。
  9. An introduction of sony china professional solutions business ： as the international leading broadcasting & professional system solutions provider, sony corp. has successfully developed various kinds of tailor - made system solutions such as hd and sd systems for tv and film production, media asset management system, video server system, professional display products, video conference system, network monitor and audio equipments, some of which are broadband capable system solutions

    索尼廣播電視及專業業務自1978年進入中國，目前其針對中國各行業專業領域客戶的包括高清及標清電影電視節目製作系統、媒體資產管理系統、專業顯示設備、視頻通訊、網路監控和數字展示等系統解決方案，已被廣泛應用於包括節目製作、網路通信、政府機構、工礦企業、醫療和教育等各行各業。
  10. In this thesis, the newest production of the multimedia technology and the computer networks technology was applied to the networking multimedia dispatch system. furthermore, the experience provided by the user of the existing dispatch system had been taken into consideration in this project, after overcoming some difficulties in technology, we developed a new generation dispatch system, which could keep up with the changing requirement and realized standardizing and networking

    基於ip的網路數字多媒體調度是利用多媒體技術和計算機網路技術發展的最新成果，依靠現有調度系統的使用經驗，進行科研攻關和技術創新，研製了適應實際應用需要的下一代多媒體網路化指揮調度系統，它實現了調度設備的數字化、通用化、標準化、模塊化和網路化。
  11. 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。
  12. Socket function mainly realizes setting up and initializing service unit socket, initializing service unit and service unit serial and so on. bind funcion primarily binds local address and port for the socket. listen function is to evaluate the max length of server ’ s listening queue. connect function and accept function set aside rate ahead, infrom user ’ s request of establishing virtual circuit to suna, cooperate with suna to establish the connection between client and server, return the result. we make use of three handshake with data protocol and virtual circuit mode, in this way, when we translate data, we can look up communication course according to virtual circuit number, at the same time, there aren ’ t source ip address and port, end ip address and port in the head of data package, the speed of translating data advances in a certain extent. send function and recv function is to send data collaborating with suna, and copy data from the receiving queue of socket to user ’ s buffer. close function cooperate

    Socket （ ）函數實現創建、初始化服務元套接字，初始化服務元及服務元序列等。 bind （ ）函數為套接字綁定本地地址和埠號。 connect （ ）和accept （ ）函數主要是根據用戶要求預留帶寬，將用戶的建立虛電路請求轉達給服務元網路體系，協作服務元網路體系採用捎帶數據的三次握手協議建立虛電路，並告訴用戶處理結果，一方面，捎帶數據的三次握手協議在一定程度上可提高數據傳輸速度;另一方面，採用虛電路方式，使得數據通信可直接根據虛電路號查找相應的通信進程，而且數據包的包頭中省去了源ip地址、埠號和目的ip地址、埠號，提高了數據傳輸速率。
  13. In order to supply the main two services ? vod ( video on demand ) and iptv which are used popularly in the application, 8010r & d designed a new streaming media system based on our new operating system named digital organic system ( dos ) with high dependability, high concurrence, low - price - high - efficiency and high retractility as its characters. in our stream media system, there are three important components

    當前政府正在大力推廣internet及寬帶網路，加之正在興起的網路電視計劃，這些因素極大的推動了網路流媒體業務的迅速發展。針對目前流媒體應用最廣泛的視頻點播和在線直播服務， 8010實驗室自主研發了具有高可靠性、高並發性、高性價比及高伸縮性的數字有機體流媒體播放系統。
  14. In sna, the transformation of data by packing two characters in a byte so as to take advantage of the fact only a subset of the allowable 256 characters is used ; the most frequently sent characters are compacted

    在系統網路體系結構（ sna ）中使用的一種數據轉換法，即把兩個字元裝配在一個位元組之中，這樣就可以利用在允許使用的256個字元中只使用了其中的一個子集這一點，來把最常發送的字元進行壓縮。
  15. Digital terminal of multimedia network teaching system was a main part of network teaching system

    數字多媒體網路教學終端是網路教學系統的重要組成部分。
  16. The system ' s functions and implementation ' s requirements were analyzed. terminal system must had processing speed and good extensibility

    並且對數字多媒體網路教學終端的系統功能及性能需求進行了分析。
  17. In the paper, some key techniques which are dealt with in the system implement have been discussed, such as the principle of video encoding and compressing, mpeg compressing standard, the principle of streaming media, realtime transport protocol ( rtf ), real - time transport control protocol ( rtcp ), real time streaming protocol ( rtsp ), the network architecture ; the technique of ethernet and the programming technique of realization of network communication, etc. based on the above key techniques, a simple, valid and inexpensive solution to rebuild existent traditional surveillance system is supplied in this dissertation

    本文分析了現有模擬監控系統的優缺點，重點討論了視頻編碼壓縮原理， mpeg壓縮標準，流媒體技術原理，實時傳輸協議rtp ，實時傳輸控制協議rtcp ，實時流協議rtsp ，網路體系結構，以太網技術和網路通信編程技術等系統實現過程中所涉及的關鍵技術。基於上述關鍵技術，本文提出了傳統視頻監控系統的數字化和網路化改造的一種簡單可行且成本低廉的解決方案。
  18. On the basis of stage analyzing of product total lifecycle and research survey of system architecture, cpdds architecture is put forward, witch is composed of network and digital support sub - system, supply and custom sub - system, collaborative designing sub - system, manufacturing sub - system, enterprise ' s resource support sub - system, integration and management sub - system, knowledge management sub - system and cpdds platform. also functions of cpdds platform are raised. 2

    在復雜產品開發階段分析和系統體系結構研究基礎上，提出cpdds系統體系結構，由構架于網路化數字化支撐環境之上的數字化供需系統、數字化協同研發系統、數字化生產製造系統、數字化企業資源支撐系統、應用集成管理系統、知識管理系統和cpdds平臺構成，並提出cpdds平臺所具備的功能。
  19. Through this local system, manager can access to the higher level of governmental network system about safety production information. this local system also makes it possible to simultaneously transmit video / audio signals and collect data information through the same hardware device. in addition to its other functions, this system contains a management center that creatively introduced some advanced function model such as the call center, rescue plan for the emergency accidents

    本文充分結合安全生產領域的特定要求，對分散式數字監控系統在安全生產管理中的應用進行了深入研究，首次提出把政府安全生產監督管理功能與企業安全生產監控系統相集成，構建了市（縣）級安全生產管理系統，形成覆蓋全市（縣）的安全生產監控管理數字網路系統；並可進入更上層的政府安全生產信息網路系統；同時實現了通過同一硬體裝置同時傳輸視頻音頻及實時採集的數據信息：在管理中心還創造性地引入了呼叫舉報中心、應急救援決策中心，使該系統能夠切實為安全生產管理部門服務。
  20. In this thesis, we would present theory research and its implementation about mpeg - 2 ts stream “ health ” check analyzer. a brief narration about the background of our research and its mean would be put in the beginning. and then we would analyze structure of ts stream and its definition in iso / iec 13818 - 1, data structure of system layer and mechanism of decode would be stressed in this section, later, we would introduce principles and methods of mal - function check in mpeg - 2 ts network, parameters being presented by etsi tr 101 290 would be emphasized in this part

    本文將對mpeg - 2ts碼流「健康」檢測儀的理論研究和數字電路設計作出如下介紹:本課題研究的時代背景及研究現狀和意義; mpeg - 2ts碼流的數據結構，在iso / iec13818 - 1中的定義和描述，其系統層的數據結構及解碼機理; mpeg - 2ts碼流在網路中故障檢測的原理和方法， etsitr101290規定檢測參數分類; mpeg - 2ts碼流「健康」檢測儀實現的總體方案，基於fpga的數字邏輯電路實現方案總體模塊劃分，模塊劃分的依據，模塊實現功能;總體方案的具體實現，幾個重要參數如pcr間隔及精度檢測，快速crc檢測等的實現;設計實現的驗證方法，典型參數檢測實現的驗證模型及驗證結果。
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