結點鏈路 的英文怎麼說

中文拼音 [jiēdiǎnliàn]
結點鏈路 英文
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  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 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...
  • 鏈路 : chain circuit; periodic line; link; link circuit; path of chain
  1. 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器網的發展概況及現狀,然後分析了無線傳感器網的原理與架構及其在環境監測對傳統無線傳感器網技術的挑戰,接著本文提出了新穎的基於無線傳感器網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器網的構架設計方案以及節的硬體設計和實現,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,從工程角度介紹了物理層、數據層、網層、應用層的設計實現,解決了無線傳感器網的數據採集、節互聯以及系統節能優化等問題,最後本文總了前面的工作,展望了基於無線傳感器網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。
  2. Because of the unique issues in the networks, including mobility - induced disconnection, network partition, high out - of - order delivery ratios and channel errors, the congestion control and the error recovery in the network is challenging. in this environment, the interaction between tcp and mac layer protocols, the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first discussed. then a particular transport layer protocol scheme based on the non - feedback mechanism is presented, with emphasis on the analysis and simulation of the key parameter

    文中主要討論了兩種不同網構中的無線tcp協議改進方案,其一在最後一跳為無線的網環境中,針對基本tcp擁塞控制機制存在的缺陷,文中在現有解決方案的基礎上提出一綜合性的方案,其中包括無線的高誤碼率和連接斷開問題的解決,並重對方案中出現的交叉層問題進行分析和模擬;其二,考慮的是分散式網( adhoc ) ,在文中較為詳細的分析了tcp和mac層機制間的相互作用、由協議中造成tcp性能降低的因素、 adhoc網中應採取的特殊擁塞控制和差錯恢復機制,在此基礎上提出了一種採用非反饋機制的解決方案,重對方案中的關鍵參數進行分析和模擬,分析和模擬果表明此機制可在很大程度上提高adhoc網中tcp的性能。
  3. The calculation result shows that the model can keep the balance of the link level budget margin among the different spot - beam cellars, the onboard power in satellite can be used more effectively and the model is possessed of better applied value

    計算果表明,該波束模型能使各波束小區的電平預算余量達到平衡,並使星上功率得到更有效的利用,彌補了現有模型的不足,具有較高的應用價值。
  4. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網關鍵技術,包括傳輸、交換、組網等,重研究了光交叉連接的功能和構、性能,對其引入的串擾進行了詳細分析,選擇恰當的器件參數進行了數值模擬,並提出了抑制措施(如雙重濾波、優化判決門限、選擇恰當的復用波長數) ; 3 .研究了光網的r認叭的基本原理、與r認叭的幾個相關問題(光網類型、業務類型、流量類型、光網生存性) 、 r認人演算法的分類和比較,具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法,提出預置光的概念,對網資源進行狀態分類(佔用、未佔用、預置) ,利用改進的r認叭演算法模擬,預置光可為部分新到的連接請求快速建立連接,從而提高網性能;研究了以多光纖網連接阻塞率為優化目標的r認城演算法,提出了以節度數、每個波長分層的空閑光纖數以及由策略決定的幾種權重函數,利用基於波長分層圖模型的并行r場人演算法模擬,利用新的權重函數使得演算法具有更優的性能,使網具有更低的連接阻塞率。
  5. We put forward a principle of design multiple field packet classification algorithms base on the analyzing of the basic theory, algorithms structure and flow. now the speed of link is more and more high and the size of rule set is more and more large, it is difficult to design fast multiple field classification algorithms and the design principle is combine or improve the classical algorithms base on the analyzing the distributing law of the actual rule set

    分析上述各種演算法的基本思想、演算法構及流程,本文總出設計多域報文分類演算法的原則:針對當前速度不斷提高和規則庫規模不斷擴大的現狀,設計快速的多域報文分類演算法已經成為一個技術難,一般的原則是在分析實際規則庫規則的分佈規律地基礎上對現有的經典演算法進行組合或者優化改進。
  6. The design of pn code synchronization should find a trade - off between the performance and the complexity of the reciever. in this paper, the pn code synchronization technique in spread spectrum communication is introduced

    本論文首先介紹擴頻系統中採用的pn碼同步技術,然後合wcdma上行的特,提出適合wcdma上行的擴頻碼同步方案。
  7. To view the wording of motions, click the relevant links in the subject column to go to the agenda for the relevant meeting. to view the votes cast by individual members, click the relevant links in the result column

    如欲查看個別議員就一項主席已命令進行名表決的議題所作的表決取向,請在下列"表決果"欄的相關按下滑鼠鍵。
  8. 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,它將無線之間的物理距離考慮在內,規定互相不干擾的通訊可以在相同的時間片內傳輸,從而減少了網所需時間片的總量,從而提高了單位時間內可傳輸數據包的數量,即提高了整個網的吞吐量throughput 。
  9. The content of this article is the research on the protocols for wireless communications on the media access control ( mac ) layer, which is a sublayer of the link layer, one of the five layers ( the physics layer, the link layer, the network layer, the transmission layer and the application layer ) which construct the stack of protocols for wireless communications. the emphasis of the research is on the applicability and superiority of two protocols on the mac layer

    本文的研究內容是mac ( mediaaccesscontrol )層? ?無線傳輸的五層協議棧構(物理層、層、網層、傳輸層、應用層)中數據層的媒體接入控制子層? ?無線通信協議,重研究兩種協議在傳感器網應用中的適用性和優越性。
  10. According to the designing requirement of hf channel characteristics and combining with the 3rd generation ale ( 3g - ale ) technology, this paper proposes a new hf link protocol, using tdma mode. and this new protocol supports communication in large scale area. this protocol work in synchronization

    本文合第三代短波自組織網建立( 3g - ale ) [ 1 ]技術和短波通道特提出了一種適用於節大范圍地理分佈、全網同步工作和採用tdma工作模式的短波自組織網層協議。
  11. The relationship between application and performance topology, and the feasibility, practicability of end - to - end measurement are analyzed ; then the network nodes are grouped by bottleneck bandwidth measurement to minimize the number of the nodes in sets, and detect the tree of the nodes by analyzing performance relationship especially ; finally, the feasibility and practicability of this method are verified by simulation

    分析了分散式應用與網性能拓撲構的關系,以及利用端到端測量進行拓撲劃分的可行性和實用性;然後通過測量瓶頸的方法對節進行分組劃分以縮小集合節個數,再具體分析利用性能相關性探測節集合的樹型拓撲構;最後通過實驗模擬檢驗了這一拓撲探測方法。
  12. First, the structure of the second generation ctdrs isl was discussed in this paper, the characteristic of coverage in the second generation ctdrs by the characteristic of orbit and the simulation model of isl was analyzed then the effect of the isl establishing process analyzed. second, the discussing and analyzing focus on the characteristic of signal during the establishing isl process, establishing the orbit model, the technology of doppler frequency shift capturing and tracking sequence and the effect of background noise, then the theory analyzing the parameters we have just mentioned, and this will support the reference for the implement of project. the simulation and test of the isl of ctdrs and analyzing from theoretical basis to implement of simulation were mainly focused in this paper

    其中討論了二代中繼星捕獲跟蹤系統星間的模擬方案的組成構,利用軌道特性對二代中繼衛星系統的覆蓋特性進行分析,搭建了星間的模擬模型,其中包括中繼衛星和用戶衛星在內的軌道模型、星間模型、用戶星信號調制模型等,並對星間建立過程的影響進行分析;重針對星間建立過程的信號特性,軌道模塊的建立、多普勒頻移技術、背景噪聲影響、載波的捕獲與跟蹤技術等進行了實際參數的設計與理論分析。
  13. With the rapid development of wireless communication technology and computer technology , people wish to get reliable data communication service any time and any where. traditional network can not supply communication service if the whole network need to move because the network devices are fixed by wires and can not move. so, ad hoc network comes. it can provide mobile data communication service compared with traditional network. ad hoc is a network with plat structure and all the nodes is equal. all the nodes need provide relay. but not all the nodes will provide relay and the performance of plat structure is poor in large scale. so the wireless mobile self - organized network adopts a two - level structure by referencing the cell mobile communication system. wmsn uses wireless routers to construct network. it can provide wireless access, relay services to users

    考慮到不是所有的站都願意提供中繼服務及平面構的局限性(在網規模較大時性能會很差) ,本課題的無線移動自組織網參考了蜂窩移動通信系統的特,是一種具有兩級構的網。使用專門的無線設備? ? 「無線由器」構成具有用戶無線接入、無線組網和由功能的無線互連網,為移動用戶提供無線接入、由和中繼服務。 ieee802 . 11b可以提供很高的通信速率,可以提供很好的接入性能,並且支持ieee802 . 11b協議的設備正成普及的態勢,因此成為我們所選擇的層協議。
  14. 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,重對并行由表計算及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果驗證了該方案的可行性及正確性,同時系統性能分析的果表明,該設計方案能滿足tbit由器設計需求。
  15. Radio communications systems, department of signals, sensors and systems, royal institute of technology, 10044 stockholm, sweden, october 2002. 10 hajck b, wieselthier j. link scheduling in polynomial time

    絕大部分方法在網中有20 30個, 100 200條時就需要花幾天甚至更多的時間來尋找最優調度。
  16. 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由器獲取控制信息,將其與atm交換機的轉發性能和標簽交換方式相合,從而構建成一個高速而經濟的多層交換由器。但是,各種方案彼此不能互通,而且僅適用於以atm作為第2層的傳輸,不能工作在其他多種媒體(如幀中繼、協議、以太網)中,這與internet基於分組的發展方向相矛盾。
  17. Multipath acquisition decide the coarse pn code phase and pick up the available multipath components. following, code tracking confirm the pn code phase precisely and track every multipath component ' s delay drifting due to doppler effect. in this paper, the code tracking technique in spread spectrum communication is introduced

    本論文首先介紹了在擴頻通信中採用的同步跟蹤技術,合wcdma上行的特,提出了適合wcdma上行的pn碼跟蹤方案,並與現有的多徑搜索和通道估計演算法構成完整的上行rake接收機方案。
  18. First we overview automatic summarization technologies, and then we put forward a new web page summary algorithm based on page segmentation. next we use web summarization methods to extract most relevant features from web pages to improve the accuracy of web classification. and lastly we introduce our automatic summary module, one of three modules in our web mining system - webme, in detail

    本文就文本摘要進行了較為系統的研究:首先全面系統地綜述了自動文本摘要的相關問題和技術;然後根據網頁自身的特(如構、接等) ,提出了一種基於網頁分割技術的文本摘要演算法;其次鑒于自動摘要能夠有效除去噪聲、提取出文章的主題內容的特,我們把自動摘要技術運用在網頁分類上,實驗證明這種方法能夠使分類性能大大提高;在論文的最後,介紹了我們的網挖掘系統webme中的自動摘要子模塊的設計與實現。
  19. 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構進行了簡要的論述,並詳細分析了的數據協議( 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,並向收發雙方和網運營者提供qos監測手段。
  20. 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構和空中協議,詳細分析了移動數據協議,並在此基礎上,重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。
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