data link time 中文意思是什麼

data link time 解釋
數據鏈路時間
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • link : n 1 環鏈環。2 (編織物的)鏈圈。3 (鏈狀物中的)一節(多節香腸等的)一節單節小香腸。4 承前啟后的...
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  1. Thispaperhasstudiedonthedatalinkinterfacetechniqueoftacticalcontrolsystem. firstof all, functional requirement and the important role of data link interface in tactical controlsystem is introduced ; secondly, with object oriented method, the characteristic of uav taskcontrol process is analysed, and then uav task control information model is established, anddata link interface standard of tactical control system is designed based on this model, including message format and transmission mechanism ; thirdly, data link control module isdesigned based on embedded linux operating system and has realized conversion betweendata link standard interface and the private interface of uav data link ; and then, combinationreal time corba middleware and its event channel, data link control modular componenttechnology is studied, and realization scheme is put forward ; finally, demostration is madebased on prototype of tactical controlsystem, which verify the validaty of data link interfacestandardandembeddeddatalinkcontrolmodules

    本文對戰術控制系統中的數據鏈介面技術進行研究:分析了數據鏈介面在戰術控制系統中的功能需求;採用面向對象的方法,分析無人機任務控制問題,建立了無人機任務控制信息模型,並基於該模型設計了數據鏈介面通信協議,包括報文格式和傳輸機制;基於嵌入式linux系統設計了數據鏈介面控制模塊,實現了數據鏈標準介面與無人機數據鏈私有介面之間的相互轉換;結合實時corba中間件及其事件通道,研究了數據鏈介面控制模塊組件技術,並給出了實現方案;通過戰術控制原理實驗系統的演示實驗,驗證了數據鏈介面通信協議和嵌入式數據鏈介面控制模塊的有效性。
  2. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題,圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案,建議採用時分多址的工作模式,並利用移動自組織網路的概念構建數據鏈網路,同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點,應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償,並在此基礎上進行目標運動參數的轉換,以獲得目標相對于某無人機的當前運動信息,且利用模擬驗證了方法的有效性。
  3. Abm operates at the systems network architecture data link control level and allows devices to send data link commands at any time

    Abm工作于系統網路體系數據鏈路控制級並且允許設備在任意時間發送數據鏈路命令。
  4. Two notable characteristics of tcn are as follows : ( 1 ) polling mac strategy is adopted in link layer by iec 61375 - 1 to ensure the certainty of data transmission time ; ( 2 ) train inauguration procedure is devised to realize the automatic allocation of rail vehicle address in the network. the paper consists of two nain parts : 1. a sinulating system of wire twisted bus ( wtb ) inauguration

    Tcn的西大特點是: ( 1 )為了保證數據傳送時間的確定性, iec61375 - 1標準在鏈路層採用輪詢機制; ( 2 )由於列車編組經常變化,導致列車總線網路設備地址變化,為此iec61375 - 1設計了列車初運行過程,以實現列車組成變化后車輛地址的自動分配。
  5. At same time, it has perfect exception handling mechanism and can find hardware, wireless link and tcp connection exception efficiently with the help of hardware watch dog. it can backup data during exception period by backup link and resending mechanism ; can make the whole system run continuously and stably by exception handling. thus, limited hardware resources are saved

    同時設備具有完善的異常監測機制,配合硬體看門狗能夠及時並有效地發現硬體異常、無線鏈路異常、 tcp連接故障;通過備份鏈路和重發機制,對發生異常期間的數據進行有效的備份;通過異常處理機制使整個系統能夠持續、穩定地運行,並節省了寶貴的系統硬體資源。
  6. Leisure link : you can create your personal profile to save your time for data input

    康體通:可建立個人檔案,節省輸入資料時間
  7. We studied many methods to improve the tcp / ip in wireless environment, such as tcp / ip initial slow start algorithm, initial window and retransmission time out ( rto ) estimate. finally, we consider the round - trip time ( rtt ) with the physical layer and the transfer layer combined together. physical layer using rtt related to the channel state and transfer layer using the constant rtt, the interference between the two layers can be eliminated, and so the effectiveness of the wireless data link can be enhanced

    研究了tcp ip的慢速啟動演算法、初始窗口、重傳超時估計以及改善無線tcp ip性能的各種方法,提出了一種把物理層鏈路和傳輸層相結合處理往返時間( rtt )的方法:物理層鏈路採用與通道相關的動態rtt ,傳輸層採用常數rtt ,消除了兩層rtt之間的相互干擾,從而提高了無線鏈路的利用率。
  8. There are several advanced functions in control system of fed driving based on fpga. the special al875 can support multi - display format from qvga 、 vga 、 svga to xga in the digital rgb graphics and video frequency. using vga interface and d / a conversion technology, it can monitor data signal and control signal real time. the control of buffer storage carry out seamless link by double frame memory refurbish. osd can control menu and text to adjust state by double display

    完成的基於fpga的新型fed驅動控制系統具有幾種先進的功能:採用專用於rgb圖形/視頻信號數字化的al875晶元,可以支持從qvga 、 vga 、 svga到xga的多種解析度的顯示格式;採用vga介面技術和d / a轉換技術,用於實時監控整個系統中的圖像數據信號和控制信號;採用乒乓刷新控制機制對緩存進行控制,實現數據讀寫操作的無縫連接;採用osd在屏顯示單元,實現控制菜單、文本在屏幕上的疊加顯示。
  9. Icao make a standard of very high frequency data link mode 4 ( vdl mode 4 ) on the basis of self - organizing time division multiple access ( s - tdma ), this standard is considered to be one of the basic solutions of aviation mobile communication

    該標準基於自組織時分多路訪問技術,其主要特點是:支持實時應用,採用短消息進行信息交換,並且可以在缺少地面基礎設施的情況下保障空空通信。
  10. We may collect information regarding your ip address, browser type, domain name and access time. this information is used for our own research purposes and is separate from the data. we do not link ip addresses to any personal information

    我們或會收集您的網路協定位址" ip address "瀏覽器類別區位名址或稱領域名稱" domain name "及存取時間" access time "的資料。
  11. We follow the principle " based on talent, based on science and technology to serve the customer and society ", absorb large quantities of good technician and had developed series of communication product lead in domestic, manly including : all series of the on - the - spot data collector, battery monitoring instruments, switch power monitoring instruments, agreement converter, intellectual building air conditioner interface controller, etc. at the same time, we had developed new monitoring system platforms on the basis of power - link

    主要包括:各系列現場數據採集器,電池監測儀,開關電源監控器,協議轉換器智能樓宇空調介面控制器等,同時我公司在power - link監控系統平臺的基礎上,發展新一代的監控系統平臺,如www網路訪問
  12. Rtk employs the data communication link to transfer the original observation data or the phase correction data of the known reference station, so the geometric relation between the known reference station and the unknown point can be calculated in the way of online or real - time through rtk

    Rtk使用由數據通信鏈路傳送的已知參考站gps接收機獲得的原始觀測數據或相位改正數據,在線式或實時計算未知點與已知參考站的幾何關系,從而得到用戶接收機的精確位置。
  13. At the beginning, this paper has some brief dissertation on the basic principle of the dsl and the multimedia data compression, the key technique of sdsl, the transport protocols, and the data transfer system structure based on the twisted - pair. then it gives an analysis of the point - to - point data link protocol ( ppp ) and the real - time transmission protocol in detail, which provide the side - to - side transmission service for audio frequency and video frequency data, and so on based on the these, we developed a multimedia sdsl modem system used to transfer data and phonetic

    本文首先對dsl系統和多媒體數據壓縮技術的基本原理、 sdsl的關鍵技術、傳輸協議以及基於雙絞線的數據傳輸系統的結構進行了簡要的論述,並詳細分析了點到點的數據鏈路協議( ppp協議)以及實時傳輸協議,其為音頻、視頻等實時數據提供端到端的傳送服務。可以向接收端傳送恢復實時信號必需的定時和順序信息,並向收發雙方和網路運營者提供qos監測手段。
  14. Mes provides the critical link to fill the gap between erp and control systems. mes can execute automatically production plans made by planning floor, extract the correct information for erp from collected real - time data. mes enables information systems to be inter - connected with each other closely and production departments to work in harmony. consequently, enterprises get maximum profits

    Mes是面向生產執行的工廠層信息系統,為erp系統和控制系統提供關鍵聯接,能自動執行計劃層制定的生產計劃,從收集的實時數據中提取erp系統所需的正確信息,使企業中需要相互聯系的各信息系統和以產品生產為紐帶的各部門緊密聯系、協調運作,使企業獲得最大的效益。
  15. At the same time, we have emulations of algorithms of rale updating and time series mining with matlab. in mobile environment, extracting valuable information quickly through data mining provides daily decision - making support and emergency service - support for mobile users, and compact rule information compared to a great deal of original data can reduce the quantity of data translated in a radio link and can save time. foremost, it saves the wireless resources, lightens congestion of bandwidth in wireless network, so that it will enhance the usability and high - efficiency of the whole mobile computing system

    在移動計算環境中通過對數據的挖掘和信息的處理,從而快速的移動計算中的規則提取與規則更新研究提取出對移動用戶有價值的信息,不僅提供給移動用戶日常的決策支持和緊急狀況下的應急服務支持,而且簡潔的規則信息相對原始的大量數據而言,可以大大的減少無線鏈路上的傳輸數據量,減少傳輸的時間,最重要的是節省了無線資源,降低了網路阻塞的情況,從而提高了整個移動計算系統的可用性和高效性。
  16. Because of the affection of noise and signal fading, in order to high data rate access and high quality, wireless communication need new technology to improve the link reliability and enhance the spectrum efficiency. mimo ( multiple input and multiple output ) can enhance the spectrum efficiency and increase channel capacity greatly, and reduce the multipath affection without spectrum band and power increasing. the 3th generation mobile communication wcdma is coming, with the purpose of putting mimo, stbc ( space time block coding ), space diversity into practice of wcdma systems, in order to lay the foundation of 3g toward 4g, this dissertation has done some research under this background

    在發射機和接收機使用多個天線進行數據傳輸的多輸入多輸出( mimo )技術,可以在不增加帶寬和天線發送功率的條件下,成倍的提高頻譜利用率,提高系統的通道容量,還可以抗多徑干擾。第三代移動通信wcdma即將到來,為了將多天線技術( mimo ) ,空間分集技術,空時編碼技術用到wcdma系統中去,為第三代移動通信向第四代移動通信系統平穩過渡奠定一定的基礎,需要做一些理論上的研究。
  17. Gmpls is developed from mpls gmpls, in which time slots, wavelengths and optical fiber physical ports are used as labels for corresponding data transmit, is the inevitable result of mpls extending to optical networks. by the extended signaling protocols, routing protocols and new link management protocols, gmpls satisfies the requests of intelligent optical networks control automatically and signaling, and so provides dynamic networks resource and improves survivability

    Gmpls由mpls演進而來,它是mpls向光層擴展的必然產物。 gmpls將時隙、波長和光纖埠作為標簽用於數據轉發,通過採用擴展的信令、路由協議和新增的鏈路管理機制以適應對智能光網路進行動態控制和傳送信令的要求,動態提供網路資源並增加網路的存活性。
  18. As far as the technology file itself, it ' s an important link to convert the data of product - oriented into the data of manufacturing - oriented, and it ' s an important instructional file to guide ship piping manufacturing. at the same time, it provides the management system of an enterprise with technology information

    對工藝文件本身而言,它是將面向產品的數據轉換成面向加工的數據重要環節,是指導船舶管系加工活動的重要指導性文件,同時它為企業的管理系統提供工藝信息。
  19. The thesis analyses the principles of the physical layer and data link layer of gsm system and the signal processing theories of gsm under unauthorized circumstances. computer simulations are given to show the feasibility of these theories. the design of real - time processing system of gsm signal is introduced, which includes a real - time processing circuit, a dsp software system and a computer monitor platform

    本文分析了gsm系統無線介面的物理層和數據鏈路層的工作原理;詳細闡述了非正常接入條件下的gsm信號處理理論,並給出模擬結果;介紹了gsm信號實時處理系統的設計,包括實時處理電路和dsp軟體系統的開發,以及主機監控平臺的設計。
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