數據鏈路時間 的英文怎麼說
中文拼音 [shǔjùliànlùshíjiān]
數據鏈路時間
英文
data link time- 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 : 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...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 數據 : data; record; information
- 鏈路 : chain circuit; periodic line; link; link circuit; path of chain
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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Later the couple nodes can implement the control frame transmission or data transmission. this kind of data transmission protocol based on slot precontract basically fulfills the networking and data transmission function
同步呼叫協議主要用於完成點到點鏈路建立和業務通道的協商任務,協商完畢即可在後續的時間內在業務通道上完成控制幀或數據幀的傳輸。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。But in the field of sea transportation, asp is delayed because of the limit of bandwith of satellite communications. the bulky edis data cannot be transmitted through satellite and the pelagic ships cannot take the service from internet through satellite based on the cost of satellite transmission
但是對于海事領域,由於衛星鏈路的帶寬限制,使得asp信息平臺在船舶和陸地之間不可能傳輸較大的電子海圖數據;同時從費用方面考慮,船舶也不可能通過衛星鏈路訪問internet 。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。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。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。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。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 。Chongqing expressway networking toll data communication network cotains 2 - ring and 8 - ray network structure based on expressway physical structure, setting up a trasmission trunk layer of sdh stm - 4 ( can be up - graded to stm - 16 ), and channel protection business entry layer consisting of sdh onu / olt stm - 1 ( can be up - graded to stm - 4 ). data exchange layer, through ip route exchange network above sdh network, forms 3 - level computer network structure of account settlement center - road section management company - toll station. to ensure obtaining original and reliable toll data from communication network, 2m circuitous chain is established between each toll station, accountsettlement center and road section management company, and also pstn dialing backup chain is set up between toll station and account settlement center. in order to maintain clock synchronization of the whole communication network, a proposal of sub - stage clock sychrononization signal network for differet network construction scale has been put forward in this design. in view of sensitivity and importance of toll data, this design particularly gives considerations of network safety and information safety for external and internel of network. therefore, communication safety, smoothness and reliability of networking toll system can be able to maintained in many ways
重慶高速公路聯網收費數據通信網的結構是根據高速公路的物理結構構築了2環8射的網狀結構,建立了以sdhstm - 4 (可升級到stm - 16 )的傳輸主幹層,以sdhonu / oltstm - 1 (可升級到stm - 4 )組成的通道保護業務接入層。數據的交換層是在sdh網之上的ip路由交換網,形成了結算中心-路段管理公司-收費站之間的3級計算機網路結構。為從通信網路上保證收費數據的原始性和可靠性,每個收費站和結算中心、路段管理公司之間建立了2m迂迴鏈路,同時在收費站和結算中心之間建立了pstn的撥號備份鏈路。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。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。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。All the hosts in the ip multicast communication can join or exit from its multicast communication group freely because no matter how many target addresses there are, only one data package can be transferred on one data route
參與ip組播的主機可在任何位置、任何時間加入或退出組播組。組播可以大大的節省網路帶寬,因為無論有多少個目標地址,在整個網路的任何一條鏈路上只傳送單一的數據包。First, the author makes the waihuan road in tianjin as the study object. through analyzing of system target and user ' s demands, the author designs the spatial database and attribute database on the base of webgis software selected. the author connects the two kinds of data by the road section number and constructs the professional module not only to realize the management of waihuan road but also to evaluate and predict the pavement performance
為提高公路管理工作的效率,本文將人工神經網路技術應用於路面性能預測中,進行了基於webgis的路面管理系統的結構和功能設計,研究內容分為以下兩個方面:首先,以天津市外環線為研究對象,通過對系統的目標、用戶的業務需求分析,進行空間數據庫和屬性數據庫的設計,選擇適當的webgis軟體,在此基礎之上通過路段編碼進行空間數據和屬性數據的動態鏈接,建立路面管理系統專業模塊,在實現對外環線路面信息管理的同時,利用這些信息對路面性能做出評價和預測。In the multi - module mode both trig signal and reference clock are used for synchronization. the functional module supports dma with the dsp, which frees the dsp ' s core processor and entitles the real - time digital signal processing
在數據傳輸方面無論是通過外部總線介面還是數據鏈路介面,功能模塊與dsp之間都支持dma方式,解放了母板處理器的核心運算單元,使實時信號處理成為可能。分享友人