鏈路工作器 的英文怎麼說

中文拼音 [liàngōngzuò]
鏈路工作器 英文
link controller low level baseband protocol handler
  • : 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
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 鏈路 : chain circuit; periodic line; link; link circuit; path of chain
  1. ( ) i1 t [ lo basi s of " that, we make systemic rosoarcl1 ( ) n l f1o s ( ) cllr i ty ilrct1 i t. cc 1. ljre, dcs i gn out the securi ty so. l ut io11 ; 1l1t ] s l. ci ) i n i, rilc t. i cc ( ) f. s1 ) t } ( t i ; l l network according to the security archi tec turc fr ; tn1e, wi1 icl1 silt i si ! y the need of confidentia1 ity, integri ty, avai 1 abi l i ty, authentj cat ion, authorization and accountable of specia1 network information system

    特別是,論文者在網安全系統建設的過程中,獨立承擔了中心子網防火墻、網入侵檢測系統、病毒防護體系的安裝及管理,在詳細了解了ddn加密、 pki ca體系的建設和使用原理的基礎上,參與了網基礎設施的安裝調試以及各類服務的配置管理,擬定了《計算機信息系統安全管理規定》 、 《網ip地址規范》 ,為本單位網安全建設規劃提出了意見和建議。
  2. This thesis has introduced the development of the traditional wireless sensor network and current situation at first, then analyzed the principle an framework of the wireless sensor network, and the challenge to the traditional wireless sensor network technology for environmental monitoring, put forward the novel environmental monitoring system based on wireless sensor network technology, have recommended a kind of brand - new wireless node design plan of framework of wireless sensor network and node hardware to be designed and realized, then based on ieee 802. 15. 4 standard, this thesis analysed the design faces the wireless communication protocol stack used in environmental monitoring, have introduced the realize of physics layer, data chain layer, network layer, application layer. have solved the wireless sensor network data sampling, systematic energy - conservation optimize, this thesis summarized the preceding work finally, have looked forward to the development, application and commoditization in the future

    本文首先介紹了傳統無線傳感的發展概況及現狀,然後分析了無線傳感的原理與架構及其在環境監測對傳統無線傳感技術的挑戰,接著本文提出了新穎的基於無線傳感技術的環境監測系統架構設計,介紹了一種針對大氣環境監測的全新的無線傳感節點的構架設計方案以及節點的硬體設計和實現,然後本文以ieee802 . 15 . 4標準為基礎分析設計了面向環境監測應用的無線通信網協議棧,從程角度介紹了物理層、數據層、網層、應用層的設計實現,解決了無線傳感節點的數據採集、節點互聯以及系統節能優化等問題,最後本文總結了前面的,展望了基於無線傳感技術的環境監測系統在未來的發展方向和應用方式等幾個方面的發展遠景。
  3. 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,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觀測,新型的速度磁觀測採用自適應閉環磁觀測代替傳統的積分從而提高磁觀測的精度,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的估計精度入手,提出了一種提高定子磁觀測精度的新思? ?利用基於bp網增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理dsp實現系統全數字化硬體控制,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總線網化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 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。
  4. But traditional fieldbus has been widly used in factory field and will act an important part for a long time, so it is necessary that to realize fieldbus connect to office network, make it has the capability of inter - connection and inter - operation, and keep it ’ s architecture unchanged. the paper discusses a method to slove the problem. that is making use of ethernet / ip protocol which is one of industrial ethernet protocols, to design an embedded fieldbus gateway. the gateway mainly consists of s3c2410, a 32bit high performance microprocessor based on arm core, to realize interconnection devicenet network, controlnet to ethernet

    本文提出利用高性能、低功耗32位risc結構的arm處理與armlinux嵌入式操系統相結合,並利用ethernet / ip業以太網協議構造嵌入式網關,實現設備的現場總線與企業信息網無縫接,並保證了devicenet和controlnet兩種網的互操性,構建一個可跨地域共享、便於實現高層次集中管理、監控和決策的新型嵌入式實時在線監控網
  5. Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design

    根據閥門cad發展趨勢,針對成都乘風閥門有限責任公司閥門設計現狀,本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統,主要完成的和成果如下:根據公司提供的幾種不同結構閥門的二維程圖紙,利用mdt三維設計平臺建立了三維參數化基本圖形庫,其中包括所有零部件和總裝配模型圖及二維程圖;依照閥門設計的一般步驟設計了參數編輯,用來對閥門尺寸參數進行編輯、輸入、輸出等,具有參數雙向同步顯示功能,使用十分靈活方便;根據用戶的需求,為了使設計達到精確、可靠、實用的要求,設計開發了輔助計算,能自動完成閥門設計過程中所需的各種結構計算,並可以輸出閥門設計計算說明書;為了使設計人員更具有競爭力,本系統利用internet intranet技術設計開發了虛擬設計中心子模塊,虛擬設計中心集成了網會議、終端服務、超級接等功能,可以讓設計師直接使用服務上的應用程序,與intranet internet上的其他設計專家進行交流、共享軟體資源,實現遠程協同設計。
  6. And now it has become the most useful routing protocol in the construction of great network. relatively, the paper discusses the internal mechanism of internet routing particularly and roundly, which involved router mechanism, ip address, routing table, routing framework and the two most familiar routing algorithm - distance - vector and link - state

    本文較細致、全面地討論了internet由選擇的內部機制,包括原理、 ip編址、由表、 internet由選擇體系結構,以及兩種主要的由選擇技術?距離矢量與狀態演算法。
  7. The project enterprise assets management ( eam ) collaborated by jilin university and datong digital science and technology co. ltd. targets at hydropower plants. nowadays, reliable operation and profit maximization are the two major goals that capital - intensive enterprises pursue

    本文採用活動網圖描述流過程,通過活動、連接接滿足了水電企業實際業務應中的要求。
  8. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁電流型觀測模型;對三電平逆變的電拓撲、原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變之間的介面進行了詳細的研究,包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變之後的機理。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的空間電壓矢量為起始矢量,解決了扇區切換時的矢量突變問題。
  9. This system permits users taking use of the resource of the laboratory through the internet. first, users login on the net server, then they can select the relative experiments from the data base in the laboratory workstation which is interlinked with the net server, after this the workstation gives instructions to the controller of the experiment platform. the particular remote electromotor laboratory system have the same structure as up

    並在這種結構下設計了一套遠程電機實驗室系統,該系統可供用戶通過網際網遠程登錄到網服務,經過身份驗證和權限設定后與實驗室的接,並通過站的數據庫調出相關的數據,選取相應的試驗內容,此後站向實驗臺控制發出控制指令進行相關的試驗。
  10. The mpls technology was raised just in order to make the most of the switching technology in the core of the network and the ip routing technology on the edge of the network. before presenting the solution of the mpls, there are many integration model, the basic method adopted by them were all carry the control information from the ip router, and combine it with the transmition capability and the label switching of the atm switching machine, accordingly constructing a high speed and economic multi layer switching router. but, all these solutions can not communicate and just suit for adapting the atm as the second layer transmiting link, can n ' t work on other interface ( fr, ppp, and ethernet ), this is obviously conflict with the developing way of the based on packet of the internet

    多協議標簽交換( mpls )技術就是為了綜合利用網核心的交換技術和網邊緣的ip由技術各自的優點而產生的。在mpls技術方案提出之前已有的各種集成模型解決方案所採取的基本方法都是從ip獲取控制信息,將其與atm交換機的轉發性能和標簽交換方式相結合,從而構建成一個高速而經濟的多層交換。但是,各種方案彼此不能互通,而且僅適用於以atm為第2層的傳輸,不能在其他多種媒體(如幀中繼、點對點協議、以太網)中,這與internet基於分組的發展方向相矛盾。
  11. 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協議,並在此基礎上,重點敘述了以下方面的: 1 )設計並完成了分別應用於m - es和md - is端無線控制的兩套程序實現數據層的主要功能,包括分配臨時設備號、建立、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。
  12. The common method of operating an unintelligent crt terminal on a full duplex link ; each character that is keyed in is returned from the destination ( usually a local computer or a terminal control unit ) before it is displayed on the screen

    在全雙上操非智能crt終端的一種通常方式,在該方式下,每個鍵入的字元都是先從目的地(通常為一本地的計算機或終端控制)被返回來,然後才顯示到屏幕上。
分享友人