數字通信協議 的英文怎麼說

中文拼音 [shǔtōngxìnxié]
數字通信協議 英文
dcdigital communication protocol
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
  • : 通量詞(用於動作)
  • : Ⅰ形容詞(共同) joint; common Ⅱ動詞(協助) assist; help; aid
  • : Ⅰ名詞(意見; 言論) opinion; view Ⅱ動詞(商議) discuss; exchange views on; talk over
  • 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
  • 通信 : communication; communicate by letter; correspond
  1. Guide for digital communication protocols for computerized systems

    計算機系統數字通信協議指南
  2. It ' s well known that the project documentations " storage and management have an very important effect on the development of all kinds of project, and as the information age is coming, network technology has been applied to this procedure gradually. this article mainly introduces the study and realization of a internet - based project documentation storage and management system which application programming frame is built with delphi6. 0 and sql server2000. based on the tcp / ip protocol, the system try to establish a c / s model with connection - oriented, dependable stream sockets and multithread technology to complete some especial data communications by networks, such as the files of project, directory of user, all self - defined commands or messages and their parameters, and so on

    本文所研究的《基於internet的項目文檔存儲管理系統》過delphi6 . 0和visualc + + 6 . 0相結合的開發平臺,結合sqlserver2000 ,將client server模式的據庫技術和windowssocket網路技術進行集成,遵循tcp ip,同樣採用c s結構運行於internet ,過服務器將處于各個不同物理位置的客戶機連接起來,形成一個交流平臺;其中,引入了目前國際上流行的先進的安全管理控制方法? ?角色控制理論對用戶進行權限分配,使擁有相應角色的人具有相應權限;然後系統自動根據組織部門或用戶的設立在服務器端生成相應的網路「虛擬文件櫃」 ,使擁有相應權限的人可以對相應文件櫃中的文檔進行整理;再過多線程技術和windows套接機制在tcp ip上實現了單個文件及目錄的傳輸。
  3. Afterwards, the paper investigates some key technologies including time delay, system security and data communication in system implementing and suggests that time delay problem could be solved through reducing the amount of data flow in the internet by using activex to encapsulate the client program by realizing communication between browser and client controlling program.

    然後,論文對系統實施過程中的時延性、安全性和等關鍵性技術進行了研究,提出了採用activex技術來封裝客戶端程序,在瀏覽器中實現與控制服務程序的以減少網路據量的方法來解決時間延遲的問題;以及採用安全套接ssl來解決安全性問題等的相應策略。
  4. Connectors for electronic equipment - tests and measurements - part 14 - 4 : sealing tests - test 14d : immersion - waterproof iec 60512 - 14 - 4 : 2006 ; german version en 60512 - 14 - 4 : 2006

    測量和控制工業控制系統用現場總線類型3 : profibus規范第6部分:應用層規范
  5. Connectors for electronic equipment - tests and measurements - part 14 - 6 : sealing tests - test 14f : interfacial sealing iec 60512 - 14 - 6 : 2006 ; german version en 60512 - 14 - 6 : 2006

    測量和控制工業控制系統用現場總線類型3 : profibus規范第4部分:據鏈路層規范
  6. 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; ( 3 )採用號處理器dsp實現系統全化硬體控制,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調控制的串列實時; ( 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。
  7. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下: ( 1 )研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理,合理分割銑床控制系統的管理任務,根據任務的要求賦予不同的優先級和調度時間,保證任務的執行效率和實時性; ( 2 )開發底層設備驅動程序和應用程序介面( api )函,以便於進行系統應用軟體的開發; ( 3 )深入研究fat16文件系統的結構和固態盤的硬體特性,參照fat16文件系統的管理思路,開發固態盤文件管理軟體以有效管理nc代碼文件; ( 4 )深入研究由arm主控板、鍵盤板、 i o控制板、編碼器號採集板等裝置組成的串口訊網路可靠的模型及其,開發串口訊網路軟體; ( 5 )研究元的顯示原理和在操作系統中嵌入庫的方法,在此基礎上結合漢的特性深入研究中文庫的嵌入方法,開發中文庫嵌入軟體,滿足開發操作界面的息要求; ( 6 )深入研究三維圖形坐標變換的原理,開發實用的三維加工軌跡顯示軟體,便於操作者對零件的加工過程進行監控和診斷。
  8. 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 ( )函實現創建、初始化服務元套接,初始化服務元及服務元序列等。 bind ( )函為套接綁定本地地址和埠號。 connect ( )和accept ( )函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,作服務元網路體系採用捎帶據的三次握手建立虛電路,並告訴用戶處理結果,一方面,捎帶據的三次握手在一定程度上可提高據傳輸速度;另一方面,採用虛電路方式,使得可直接根據虛電路號查找相應的進程,而且據包的包頭中省去了源ip地址、埠號和目的ip地址、埠號,提高了據傳輸速率。
  9. Firstly this paper introduces relative information of hdtv - stb, including the brief introduction of cable hdtv, the embedded rtos st20, the development kit for st20, the driver module related with osd and the gdp layer in hdtv - stb. then the the way gfx implemented is expounded. finally the hdcp communication protocal on hdmi is developed considering the digital patent protection

    本論文首先介紹了高清機頂盒相關知識,包括:有線高清機頂盒簡介, os20嵌入式實時操作系統, st20嵌入式開發工具, osd相關的驅動模塊和高清機頂盒中的圖形顯示層gdp ;然後,闡述了gfx圖形模塊的開發和高清機頂盒用戶界面的實現;最後,考慮版權保護,設計和實現了機頂盒hdmi介面的hdcp
  10. Then, it analyzed can and canopen application layer, including : real - time characteristics of can, the core of canopen - od, all kinds of communication objects, the allocation of cob - id and some device profiles. and xcanopen was brought forward for implementing of canopen in power line communication. then, on the reference design platform of freescale - agilent, xcanopen ’ s two standard software interfaces, bottom driver and function of communication and network management based on canopen were implemented

    本文詳細分析了低壓電力線據機的結構與工作原理;分析了can及其可以保證據實時可靠傳輸的實質,剖析了應用層canopen ,著重解釋了canopen的核心?對象典od 、各類訊對象、標識符的分配,以及一些設備子( deviceprofiles ) ,並提出了在電力線上實現canopen的解決方案? xcanopen框架;在基於freescale - agilent電力線的參考設計平臺上實現了xcanopen的兩個標準軟體介面,電力線底層驅動軟體的設計以及基於canopen棧的節點和網路管理功能,達到了使用canopen來實現電力線的標準化模塊的目的;最後,在canopen的實時調度上做了進一步的改進探索研究。
  11. Irda protocol established by infrared data association has become the standards for millions of devices to communicate mutually

    Irda紅外會提出的irda紅外為全球千萬帶有紅外據介面的設備的互連提供了基礎。
  12. This thesis begins with hfc network theory and docsis, analyses modulation / demodulation process of data communication in hfc. then, several theories are analysed including qam ( quadrature amplitude modulation ), nyquist root square filter, fec ( forward error correction ), map ( bandwidth allocation map ). and digital signal transmission involved the other important international standard ? itu - t j. 83 annex a / b, is discussed

    本文從hfc網路理論和docsis入手,分析了hfc的調制解調過程,對qam調制、奈奎斯特均方根濾波器、前向糾錯( forwarderrorcorrection ,簡稱fec ) 、 map等進行了闡述;還從中探討了電纜據機需要用到的另一個國際標準ituj . 83annexa / b所設計的mpeg號的傳輸。
  13. 1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart

    本文首先概述了蜂窩分組據網的結構和空中,詳細分析了移動據鏈路,並在此基礎上,重點敘述了以下方面的工作: 1 )設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現據鏈路層的主要功能,包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸,並進行適當的流控; 2 )建立測試模型測試移動據鏈路的可靠性和穩定性,證明了程序包的效用; 3 )根據cdpd系統無線據機的軟硬體總體設計方案,完成了介面模塊,實現了rs232異步串口,使用戶可以根據需要發送短消息或連續的偽隨機比特流; 4 )在tms320c54x的軟體、硬體模擬平臺上,建立了cdpd試驗模型,實現了cdpd系統的mdlp基本功能。
  14. Alarm systems - part 7 - 11 : message formats and protocols for serial data interfaces in alarm transmission systems ; serial protocol for use by digital communicator systems using itu - t recommendation v. 23 signalling at interfaces with the pstn

    警報系統.第7 - 11部分:警報傳輸系統串列據介面的息格式和.與pstn介面處的itu - t推薦v . 23裝置系統用串列
  15. It is not only the merge of several communications and media transmission methods, but also the realization of the integration of analog and digital communications, hardwares and porotocols

    三網合一融合的不僅僅是幾種方式和媒體傳播方式的融合,它實現了模擬與硬體與的融合。
  16. Data communication protocol based on dual can bus for digital servo drive

    總線的伺服
  17. The integration of wireless acceleration sensor for structural global monitoring, the integration of wireless strain sensor for structural local monitoring, their corresponding network ’ s topological strucuture, the network ’ s communication protocol, saving energy and the network ’ s experiments are studied systemly, the main contents include : 1. for strucutal global monitoring, the electronics components are compared, anlysysed and seleced. on this base, the design modulization method is used for designing and debugging sensing disposal module, micro - processing module, wireless transceiver module and power module, and thus a wireless acceleration sensor node with digital interface is integrated using the above modules

    本文在充分研究傳感技術、號處理技術、無線技術的基礎上,針對土木工程結構整體性態監測的無線加速度傳感器集成、結構局部性態監測的無線應變傳感器集成以及相應的無線傳感器網路拓撲結構、網路、網路能耗處理、網路試驗等問題進行了系統的研究,主要研究內容如下: 1 .針對結構整體性態監測的需要,從設計的小型化、低功耗、低成本、高可靠性角度出發,對相關電子器件進行了比較、分析、選擇;在此基礎上,採用模塊化設計方法,對傳感處理模塊、微處理模塊、無線收發模塊以及能源模塊分別設計、調試,進而集成了基於介面的無線加速度傳感器節點。
  18. After carrying out the hardware, the paper discuss the software design for this audio part of digital meeting system. it includes communication agreement between two units and their programs

    在搭建系統硬體平臺后,又論述了化會系統音頻部分的軟體設計,包括中控、用戶單元之間的以及它們各自的程序流程。
  19. In order to solve the communiction between intelligent instruments, after studying the basic theory of wireless infrared communication and the irda protocol, a general infrared communication interface ( abbr. girci ) based on the mcu is developed in this paper. girci is up to the irda standard, supporting the uart i / o transmission, and can be integrated with devices and instruments as an additional module easily

    本文在學習整理紅外原理知識和irda的基礎上,以智能儀器為目的,研製了一種基於單片機的用紅外介面模塊,它支持irda,採用串列輸入輸出,可以做為附加模塊方便地集成到各種設備和儀器儀表中。
  20. The design of the low level hardware such as the intelligent sensor node, the output control unit and the communication protocol converter unit will be given. the monitor system is developed from the national common configuration software - kingview 6. 0. by using this monitor system we can accomplish the communication between the host computer and the field intelligent units and the communication network between two water works

    給出底層硬體(智能傳感器節點、輸出控制單元和轉換單元)的功能實現並在國產用組態軟體?組態王6 . 0的基礎上開發監控系統,實現上位機與現場智能單元的據交換以及廠際聯網,滿足了工業生產過程智能化、化、網路化的發展需求。
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