虛數據電路 的英文怎麼說

中文拼音 [xūshǔjùdiànlù]
虛數據電路 英文
virtual data circuit
  • 虛 : Ⅰ名詞1 （空虛） void; emptiness 2 （政治思想等方面的道理） guiding principles; theory 3 （二十八...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 據Ⅰ動詞1 （占據） occupy; seize 2 （憑借; 依靠） rely on; depend on Ⅱ介詞（按照; 依據） according...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 數據 : data; record; information
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. It is composed of three mian protocols : call synchronization protocol, control frame transmission protocol based on arq mechanism and data transmisstion protocol based on slot precontract mechanism. one scan channel table is shared in the hfmanet. the nodes in the same dwell group work in the same scan channel, and the nodes in the different dwell group work in the different scan channel

    該協議的網路拓撲結構採用分散式分群結構，協議不同於傳統的短波點到點及需要中心節點轉發的組網方式，而是初步實現了短波電臺之間多跳組網功能，其協議內容主要包括同步呼叫協議、基於arq的控制幀傳輸協議和基於虛電路及時隙預約方式的數據幀傳輸協議。
  2. Electronic contract equals real contract by using transference and exchanges of electronic data in the suppositional exchange market - internet

    電子合同是通過網際網路這一虛擬交易市場利用電子數據的傳遞與交換訂立的意思表示真實的契約。
  3. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。
  4. A relatively security, reliable virtual private network _ and implementary plan was designed to meet the demands of data traffic, security of information transmission, transmission of video frequency, ip telephone, oa of companies. the design applied vpn and realized data increment service, for example, transimission of video frequency, ip telephone and oa and so on. these projects gained good economic and social utility for si chuan unicom

    論文依據四川某集團公司對網路數據通信、網路信息傳輸安全、視頻傳輸、 ip電話、集團公司oa的需求，具體設計了一個相對安全、可靠的虛擬專用網建設和實施方案，依據此方案在集團公司實施了vpn ，又在該vpn網路平臺上實現了相關的數據增值業務，如：視頻傳輸、 ip電話及集團公司oa等。
  5. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下，首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊，設計了一種對實驗所得數據進行曲線擬合的方法，對三種擬合方法進行了比較，曲線擬合結果表明，多項式擬合方法相對于其它兩種擬合方法效果更好；根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗，並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數；最後通過labview提供的網路功能，實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統，並探討了通過datasocket技術實現該系統網路化的方案。
  6. Highlink believes it ' s a small world when there ' re friends around, we ' d like to be the bridge between you and your customers by providing voice & data services, internet access, enterprise virtual private network ( vpn ), e - commerce, enterprise telecommunications integration, telecommunications project design / construction and building / residential telecommunications facilities, and customized value - added telecommunication services

    海鄰電訊以「海內存知己，天涯若比鄰」為服務理念，為客戶提供語音/數據專線、網際網路接入、企業虛擬專用網（ vpn ） 、電子商務、企業通信整合、通信項目的設計/施工及樓宇/住宅通信配套，並根據客戶需求提供定製化的增值電信服務，輔助客戶通過海鄰電訊搭建的通信橋梁，溝通無限。
  7. A virtual private network based remote supervisory control for power system

    應用虛擬私有數據網路技術實現遠程電力監控系統
  8. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中，能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算，是一種準三維的預測模型；另外，從本質上講，它仍然是一種基於鏡像理論的點對點的射線跟蹤法，所以它無須進行接收測試；而且由於採用了反向演算法，運用數據結構中多叉樹的概念，先確定需要計算的場點位置，找出所有能從源點到達場點的射線，並且可一次性建立一個虛擬源樹，以後每次的計算只要通過對該樹進行後序遍歷即可，大大提高了運算速度，因而有較高的接收效率與精度。本文對該模型進行了相應的模擬，並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較，結果表明了該模型的優越性。
  9. 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。
  10. At last, we gave the circuit connection method of web browse function and ethernet / rs232 gateway function and the detailed resolvent to improve the results of theory research. the result indicates that it is feasible to access internet with the method of micro controlling unit and virtual software package. this method will provide a new kind of resolvent to appliance accessing intemet, long - distance controlling and long - distance data collection

    最後給出了實現網頁瀏覽功能和ethernet rs232網橋功能的實驗線路連接方法及具體實驗方案，來證明理論研究的結論。實驗結果表明採用8位微控制器與虛擬軟體包相結合的方式接入internet是完全可行的，這將為家電上網，遠程控制，遠程數據採集等提供一種新的解決方案。
  11. Firstly, unlike other technologies that verify security at high - level protocol, verifying security at ip level is transparent to applications and end - users that don " t have to be modified even if there is any change at ip level. secondly, another conspicuous advantage is that it can be used on any machine that uses ip protocol to communicate. no matter ipsec runs on routers, on firewall machines, on various application servers, and on end - user desktop or laptop machines, it can verify security of network transmission

    首先，在通信協議底層對數據傳輸提供安全保護與其它在高層協議中提供安全保護的技術不同，在ip層提供安全性保護對應用程序和終端用戶都是透明的，不需要應用程序、其它通信層次和網路部件做任何改動；其次， ipsec的另一個顯著特點是它幾乎可以運行在使用ip協議進行通信的任何機器上，不論是運行在路由器、防火墻主機、各種各樣的應用服務器上，還是運行在終端用戶的個人計算機或筆記本電腦上，它都能提供一定的安全保障；最後，利用ipsec實現虛擬專用網是目前通過internet實現企業內部網的主要解決方案之一。
  12. Information technology - international standardized profile ra - relaying the connectionless - mode network service - definition of profile ra51. 1121, relaying the connectionless - mode network service between csma cd lan subnetworks and psdns using virtual calls over a digital data circuit csdn leased line permanent access

    信息技術.國際標準華輪廓ra .轉接無連接方式的網路服務.第9部分: ra51 . 1121輪廓的定義.數字數據電路csdn租用的線路固定訪問的虛擬呼叫轉接csma cd lan子網與psdns間的無連接方式的網路服務
  13. According to the platform of guizhou power mpls / vpn ( multiprotocol label switching / virtual private network ) data network, the thesis mainly study how to realize the fusion of various professional service systems, and ensure the requirements of security, stability, extensibility, feasibility and in the coordination with local services in order to ensure the large - scale access of services. mpls improves the technology of the private network construction

    基於目前建設的貴州電力mpls / vpn （多協議標記交換/虛擬專用網）數據網路平臺，論文主要探討如何實現各專業系統網路的融合，保障各業務系統安全性、穩定性、可擴展性、可用性以及與本地業務的高度協同性等方面的要求，最終實現規模性的業務接入。
  14. The system makes up of two parts : subordinate part is the measure instrument, it also is principal part ' s data collection equipment, it makes use of microcontroller ' s advantage, it intelligentizes the management and data collection circuit, it has liquid crystal display and 4x4 keyboard, it can work alone on the field, so it is very convenient and ensures the credibility of data sampling ; principal part is virtual instrument software on personal computer, the software can be installed in notebook pc and work with subordinate part on the field, it extends the subordinate part ' s function, the teachers also can use it as demo teaching

    系統的設計借鑒了主從式虛擬儀器設計的思想，系統由主機和從機兩部分組成：從機部分即為光合、蒸騰速率測定儀，也是主機的數據採集器，它利用單片機功能全面的優勢，使調理電路和數據採集電路智能化，它配備lcd顯示器和4 4鍵盤，可以獨立野外測量，從而使虛擬儀器在保證數據采樣可靠的前提下，更加方便實用；主機就是pc機的虛擬儀器軟體，既可以安裝在筆記本電腦上，與從機組成便攜式儀器系統進行實地測量、處理數據，擴展從機功能，又可以作教學演示。
  15. With the advent of mass customization, destinies of manufacturers are directly depended on the designing of their products, design for mass customization ( dfmc ) technologies have been listed the first priority of research focuses. based on the national high tech. research programme ( 863 programme ) - " the research of dfmc for informationalized electrical application ", this paper develops a dfmc system using network virtual reality, discusses human - computer interaction ( hci ) topics including virtual navigation, collision avoidance, target control, dimention dfmc, and appereance dfmc, as well as file interfaces and data extension

    論文依據國家高技術研究發展計劃（ 863計劃） a類項目? ? 「面向信息家電的三維數字化定製設計關鍵技術研究」 ，開發出一套基於網路虛擬現實的定製設計軟體平臺，在此基礎上重點研究了包括虛擬漫遊、碰撞預防、目標控制、尺寸和色彩定製設計在內的人機交互問題，並介紹了系統的文件介面和數據組織。
  16. Vi techniques are analyzed. the hardware platform and software framework are generalized and specified, a designing plan is put forward. based on this plan, this paper designs power source, amplifying circuit, comparing circuit, count circuit, memory circuit of t module

    對虛擬儀器技術進行了分析，總結評述了其硬體平臺和軟體框架，提出了測速儀模塊的總體設計方案，根據此方案本文設計了測速儀模塊的電源、放大電路、比較電路和計時器電路、數據存儲電路。
  17. With the vapid development of computer technology and the reducing of its price, using computer to realize data acquisition directly can make efficient use of system resource of computer. virtual instrument can be realized with perfect software and many kinds of function can be obtained. interface circuit design is the most important in realizing this function

    隨著計算機技術的高速發展以及價格的降低，直接利用計算機實現數據採集可以有效地利用計算機的系統資源，配以完善的軟體，可以實現虛擬儀器，完成多種功能，但是在實現這一功能的關鍵是介面電路設計。
  18. Sample error probably caused from data collection circuit of rf virtual frequency spectrum analyzer instrument was emphasized, and some kinds of selectable resolution scheme were presented, then these schemes of advantages and disadvantages were compared and summarized by the way of theory analyse, matlab simulation and practice validate and so on, at last, the optimum scheme of rf virtual frequency analyzer instrument was decided and adopted

    重點對虛擬射頻頻譜分析儀中的數據採集電路可能造成的采樣誤差進行了分析，提出了幾種可供選擇的解決方案，經過理論分析、 matlab模擬和實際驗證等手段，對這幾種方案的優缺點進行了比較和總結，並最終確定了其中最適合虛擬射頻頻譜分析儀的方案。
  19. Important developments in hong kong ' s telecommunications sector in 1997 included the launching of personal communications services ( pcs ), and the licensing of competitive international virtual private network services and international simple resale services for facsimile and data

    年內，本港電訊業的重大發展計有：推出個人通訊服務、為富競爭性的國際虛擬專用網路服務，以及傳真及數據國際簡單分銷服務簽發牌照。
  20. By using computer network, distributed multimedia database, speech signal process and computer graphics technologies, this project use non - diving into virtual reality technology to implement virtual radio detection work environment through the simulation of electromagnetic environment, receiver and recorder among radio detection work to make those who take part in training immerse in similar training environment as real detection work and achieve the same training effect as in real detection work

    本課題採用計算機網路、分散式多媒體數據庫、語音信號處理和計算機圖形學等技術，運用「非投入」式虛擬現實技術方法，通過對無線電監測工作中電磁環境、接收機和錄音機的模擬，實現了無線電監測人員工作環境的虛擬，從而使參訓人員投入到與監測工作實際相近的訓練環境、達到與實際監測工作相同的訓練效果。
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