時分數據鏈路 的英文怎麼說

中文拼音 [shífēnshǔjùliànlù]
時分數據鏈路 英文
tddl time division data link
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 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...
  • 鏈 : Ⅰ名詞1. （鏈子） chain Ⅱ動詞（用鏈栓住） chain; enchain Ⅲ量詞（計量海洋上距離的長度單位） cable length
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 時分 : 時分time:黃昏時分 at dusk; at twiligh; cock-shut time
  • 數據 : data; record; information
  1. According to the mean message traversal, the performance of leo / meo mobile satellite communication networks with intersatellite links ( isls ) is analyzed in this paper. three different traffic patterns are used in the analysis. if the isl number per satellite increases, the advantage of packet switch is more significant than that of circuit switch

    本文提出了一種基於信息平均傳輸距離的中/低軌衛星移動通信系統星際鏈路網路性能的分析方法.根據三種不同的業務分佈模型對繁/簡兩種網路的信息過網時延和呼叫丟失率進行了分析.通過增加網路中每個節點星際鏈路的數目可以改善網路的性能，而且這種改善對採用分組交換的系統比採用電路交換的系統大
  2. Also we design a link state database storage scheme of distributed storage and redundance backup which ease the implementation of the routing table computation in routing node and synchronization between neighbor routers

    同時對域內鏈路狀態數據庫採用了分散式存儲、冗餘備份的方案，易於實現各節點上的路由表計算及路由器間的同步。
  3. It is hard to get the important parameters such as link delay and loss rate directly, because the internet has becomes massive, distributed and heterogeneous. network tomography is now a hotspot for inference the internal link delay and loss rate with the end - to - end measurement data. we call current network tomography as unconstraint network tomography for its not adding any constraint condition and all of them nearly are based on some likelihood algorithm

    由於網路日益向著大型化、異構化、分佈化發展，通過直接進行網路測量的方法，來獲得網路內部鏈路的時延和丟包率參數就變得越來越困難，網路層析成像方法作為一種通過端到端的測量數據來推斷網路鏈路性能參數的技術正成為研究的熱點之一。
  4. 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。
  5. The evaluation method of element in state transition matrix is given when the wrong order of data packet is considered. considering the wrong order of data packets, the mathematic model of networked control systems with long time delay is developed. the sufficient and necessary conditions for stochastic stability of such networked control systems with long time delay are given

    分析了長時延網路控制系統的二階矩穩定性和隨機穩定性；針對網路傳輸中的數據包的時序錯亂問題，提出了第二緩沖器的方法；分析了網路誘導時延的markov特性，並給出了時延markov鏈的狀態轉移矩陣中元素的求取方法；建立了存在數據包時序錯亂時長時延ncs的數學模型，並給出了對應的長時延ncs隨機穩定的充分必要條件。
  6. This system presents us various kinds of user interfaces ( such as thin - client ui ), further more, to facilitate further research and provide a scientific foundation to ensure flight safety and daily monitor, other extended interfaces ( including network interface, data analysis interface, decode interface and etc ), are also provided by the system

    該系統由數據採集、譯碼、實時數據處理、實時監控模擬再現等模塊組成，系統還提供用戶介面、網路介面，數據分析介面，譯碼擴展介面等。該系統可以應用於航空公司機務維修等部門，結合地空數據鏈系統，為保障飛機飛行安全以及日常監控提供科學的依據，同時也為飛機油耗優化、技術評估等提供數據支持。
  7. 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。
  8. Send the real - time position, velocity of the moving object. received by gps oem caxd, associaied with the status information of the vehicle devices, to the monitoring centef, by way of the mobile conununication network. the monitoring system, based on some gis software, displays the tracks of the mobile objects on the eiectronic map, and users could supervise and query their iaterested parameters such as the location or velocity of the vehicle, the general information of vehicles, as so on, so that provide bases for vehicle management, improve the efficiency, or assure vehicles against accidents

    車輛監控系統是its的重要組成部分之一，它將全球衛星定位技術、地理信息技術（ gis ）和現代通信技術結合在一起，通過將裝有gps接收機的移動目標的動態位置、速度、狀態等信息，實時地通過無線通訊鏈路傳送至監控中心，在具有強大的地理信息查詢功能的電子地圖上進行移動目標運動軌跡的顯示，並可以對目標的準確位置、速度、運動方向、車輛狀態等用戶感興趣的參數進行監控和查詢，為調度管理提供可視化依據，提高車輛的運營效率，確保車輛安全。
  9. The problem is addressed through mathematical programming approach, the linear integer formulation is developed for optimizing the network throughput, and then the similarity between the original problem and the graph edge coloring problem is shown through the conflict graph concept. a column generation solution is proposed and several enhancements are made in order to fasten its convergence. numerical results demonstrate that the theoretical limit of the throughput can be efficiently computed for networks of realistic sizes

    一個對tdma機制的有效改進方法是空分tdma機制，它將無線結點之間的物理距離考慮在內，規定互相不干擾的通訊鏈路可以在相同的時間片內傳輸，從而減少了網路所需時間片的總量，從而提高了單位時間內可傳輸數據包的數量，即提高了整個網路的吞吐量throughput 。
  10. Many network users use tcp / ip protocols that were composed of a series of protocol layers to finish their communication tasks. the user ' s data information is divided into a great many of data blocks. when the data blocks are transported through the layers of the protocols, they are added the controlled information in their headers

    網路用戶終端大多使用tcp / ip通信協議完成信息的傳輸任務， tcp / ip協議是層次結構的通信協議，用戶數據信息被劃分成一個個的數據分段，經過各層協議時，添加上各層協議的控制信息，作為數據分段的頭部信息，這個頭部信息說明了各相應層通信的規則，數據分段經各層封裝后最終形成物理數據幀通過物理鏈路送到通信網路上傳輸。
  11. To the primary contradiction of real - time interactive visual simulation, limited bandwidth of network and real time transmitting parameter of relative to move sight, the control mechanism of 3 - d visual object is discussed, under the direction of hla idea, the visual federal object model vfom is established to describe the visual data distributing ; the author designed a grammar of vfom context and a turing conversion mechanism, it will support exploitation of visual simulation in different field ; the author analyses and apply opengl to design a method of implement real - time interactive visual simulation on pc, in additional with object - oriented program technique network communication technique multithreading technique, implement pc - virsp. there are 7 chapters in this thesis. in chapter 1, the developments of virtual simulation is looked back, the aim and significance and the main search content is put forward

    論文針對實時交互視景模擬的主要矛盾，即網路有限帶寬與視景運動交互參數實時傳輸矛盾，探討了三維視體運動控制機理，結合hla思想，建立視景聯邦對象模型（ vfom - visualfederalobjectmodel ）來描述視景數據分佈；並設計了模擬實體鏈描述文本文法及其存儲轉換機制，有效支持多領域視景模擬系統開發；分析並應用圖形介面標準opengl ，設計了基於pc機的實時互操作視景生成方法；針對網路分佈環境下視景模擬實時交互需求，設計視景運動同步控制方案；並綜合應用了面向對象編程技術、網路通信技術、多線程技術，實現了基於pc機的視景實時互操作支撐平臺（ pc - vrisp ? real - timeinteractivesupportingplatformforvirtualsimulationbasedonpersonalcomputer ） 。
  12. As a trade center city chongqing must establish a set of e - business platform and a assistant net in merchandise capital credit settlement. in addition chongqing must adopt information means and technology of data analysis to promote the level in management and technology of supply chain so that there will have most sale quantity in internet

    重慶作為一個商貿中心城市，必須樹立起一批具有強勁輻射力的電子商務平臺，並建立完善的商品、資金、信用結算配套網路，運用信息化手段和數據分析技術，提升商品管理技術和供應鏈技術水平，最大限度地實現網上銷售，滿足消費者省時、便利的購買傾向。
  13. Based on chinese tracking and data relay satellite ( ctdrs ) in the future, the antenna pointing control and complex control theory of user satellite are studied deeply in this dissertation, which is funded by the improve item of dept. of astronautic engineering and mechanics ? “ the teaching demonstration of antenna pointing control system in tdrss ”. the main contents of this dissertation are consisted of the following parts : firstly, dynamics equation is derived using lagrange equation for user satellite, so as the kinetics equations of user satellite at the same time are expressed in the form with matrix differential equations that is suitable for attitude control system design and analysis

    本學位論文結合航空宇航科學與技術學科研究生教學基地實驗室建設項目「中繼系統星間鏈路天線指向控制系統教學與演示實驗」 ，以我國跟蹤與數據中繼衛星系統為背景，對某型號用戶星星間鏈路天線指向跟蹤控制和復合控制理論進行深入的研究，研究內容主要包括以下幾個方面: 1 .利用lagrange方程建立了用戶星的動力學方程，同時推導了運動學方程，並將這組動力學方程以矩陣微分方程形式表示，使之適用於姿態控制系統的設計和分析。
  14. Common data interfaces used in radio include rs - 232, etc. as the rapid growth of data speed in data radio, asynchronous serial port does not meet the need of data transmission of high - speed data radio. data radio is gradually using ethernet interface as high - speed data radio ’ s data interface, to function as a high - speed data channel between host computer and data radio. this paper brings forward a universal radio interface protocol model, whose core is taking ethernet as a high speed data channel in network protocol stack

    本文針對電臺的以太網介面，經過對各種電臺的功能分析，提出了一種通用的在以太網通信中適用的報文介面協議模型，其核心思想是將以太網作為網路協議棧中內部的高速數據傳輸通道來使用，作為鏈路層和物理層之間的內部介面，同時提供電臺控制和數據傳輸兩大功能模塊。
  15. Major distress type includes rutting, fatigue cracking, and structural cracking. the evaluation program developed can communicate with pavement condition database system through dll ( dynamic link library ), perform evaluation of pavement conditions, and conduct overlay when necessary

    本文建立的路面評價系統可以通過動態鏈接庫對狀態數據庫進行訪問，西南交通大學碩士研究生學位論文第ij頁對路面狀態進行分析評價，必要時可以進行加鋪層的設計。
  16. Based on the analysis and comparison on the normal design methods of distributing system, we propose a wholely distributed implementation method of ospf based on warr ( with - area - routing - region ), lay an emphasis on the parallel routing table computation and the design of the link state database, and describe the ospf protocol processing in detail. in the chapter four we give a software implementation of our design. the test of implementation proves that our design is feasible and correct

    在對現有分散式系統一般設計方法分析比較的基礎上，提出了基於warr （ witharearoutingregion ）技術的全分佈ospf協議實現方案，重點對并行路由表計算及鏈路狀態數據庫發計進行了詳細研究，並詳細分析了osfp協議的各個處理過程，從軟體設計角度實現了該設計方案，實際測試環境測試的結果驗證了該方案的可行性及正確性，同時系統性能分析的結果表明，該設計方案能滿足tbit路由器設計需求。
  17. 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。
  18. 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數字分組數據網的結構和空中協議，詳細分析了移動數據鏈路協議，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數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數據鏈路協議的可靠性和穩定性，證明了程序包的效用； 3 ）根據cdpd系統無線數據機的軟硬體總體設計方案，完成了介面模塊，實現了rs232異步串口通信，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。
  19. This paper analyzed p - persistent csma / cd protocol and proposed a new adaptive algorithm for the adjustment of the coefficient p by real - time channel traffic sensing based on the feedback control theory, i. e., changing the value of p dynamically through the analysis of networks " flow to control the behavior of the stations sending data frames in the same collision domain, to keep the media channel in an optimal state and to enhance the channel transmission efficiency

    該演算法基於對網路流量的分析，在osi物理層通過通道信息量的在線實時檢測，根據反饋控制的原理，在數據鏈路層動態地調整控制輸入參數p ，從而控制站點發送分組數據幀的行為，使通道處于最佳的傳輸狀態，提高通道的效率。
  20. 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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