空鏈路 的英文怎麼說

中文拼音 [kōngliàn]
空鏈路 英文
nil link
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 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. Additional trials on aeronautical telecommunication network ( atn ), surface movement guidance and control system ( smgcs ), electronic flight strips ( efs ), secondary surveillance radar mode s data link and very high frequency data link ( vdl ) are planned for this year

    此外,有關航通訊網、地面活動引領管制系統、電子飛行紙條、 s模式的二次監察雷達數據和甚高頻數據的進一步試行運作,亦計劃在本年進行。
  2. Cad started technical trials on pdc delivery via data link with the three local airlines, namely cathay pacific airways ( cpa ), hong kong dragon airlines and air hong kong in september 2000

    民航處在二年九月開始與三家本地航公司國泰航公司、港龍航公司和華民航公司進行起飛前放行指示數據服務技術測試。
  3. The civil aviation department ( cad ) today ( april 19 ) begins to implement the air traffic service ( ats ) airground datalink application for the provision of the automatic terminal information service ( atis ) and meteorological information for aircraft in flight ( volmet ) within the hong kong flight information regionarea of responsibility

    二一年四月十九日民航處由今日(四月十九日)起應用航交通服務中地面數據,在香港飛行情報區負責區內提供數據化自動航站情報服務和數據化遠航氣象情報服務。
  4. Rake, as a key technique for communication, is of great significance for the receiver development accommodated to ground - to - air data link

    如何根據地?通信特點,研製滿足該通信的rake接收技術,對于提高接收機性能具有重要意義。
  5. Simulated results showed that the proposed algorithm is available to construct effectively and quickly, the multicast tree satisfying delay constraint and lowest link cost, with network load balance taken into account to pick out the cheaper idle route

    模擬結果表明,該演算法在考慮網的負載均衡情況下,選擇代價較低的徑,快速、有效地構建滿足時延要求,代價最小的組播樹。
  6. First we introduce it by presenting the classic 2tx scheme proposed by alamouti. then the orthognal designes for space - time block codes are explored, the detailed analysis of the performance is presented. the link level simulations are performed in the last part

    通過alamouti的2天線方案來理解時分組碼,接著研究了時分組碼的正交設計,最後對其性能進行了詳盡的分析,並完成了級模擬。
  7. 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,重點研究了光交叉連接的功能和結構、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,提出了以節點度數、每個波長分層的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。
  8. The analysis of wavelength selection for space - to - ground laser communication

    -地激光通信波長選擇因素分析
  9. Research of the design method and some important concepts for spacetoground optical communication

    -地激光通信總體設計思及重要概念研究
  10. First, the dissertation researches the characteristics of deep space communication and the popular space communication protocol, such as ccsds, omni etc. according to the functions of communication controller for data link layer protocol, it analyses the characteristics of the channel of space communication both in lunar surface and lunar space, and also provides the relevant controlling projects of data link layer protocol

    首先,研究了深通信的特點以及應用較為廣泛的間通信協議,如ccsds 、 omni等間通信協議族。根據通信控制器對層協議進行控制的主要功能,分別分析了月地、月上間通信的通道特點,進而提出了相應協議的控制方案。
  11. At short microwave and long millimeter wave bands, the ratios of the rain - induced attenuation on up - link to down - link are estimated on earth - space slant paths. a comparison of the prediction results with the experiment data in boston and kashima areas is carried out

    在微波和毫米波低端,預測了地一徑上、下行雨衰減的比率,並與美國波士頓和日本kashima地區的實驗數據進行了比較,結果一致性較好。
  12. Secondly, we build the physics and mathematical model of space - to - ground optical communication systems. and the link equation is deducted, based on which we calculate the communication link

    其次,建立了-地激光通信系統的物理和數學模型,得到了間光通信的方程,並依據方程進行了通信的模擬計算。
  13. The mssr mode s technology, which was introduced firstly for the purpose of air tranfic control ( atc ) system, is based on the individually addressing and selective interrogation technology. the mode s can overcome many problems exist in mode a / c, such as signal interference, limited aircraft identification, garble and fruit, and provides the ability to build digital data link. many countries and organizations do them best to support researches about the communication, navigation and surveillance technology, which are all based on the mode s, and many productions have been adopted step by step by the international civil aviation organization ( icao ). so, to research the key technologies of mode s will contribute a lot to the development of domestic aviation system, especially for the air control system, identification friend foe and navigation system

    它建立在獨立編址、選擇性詢問的基礎之上,能夠解決在模式a / c中存在的信號干擾、有限的信息編碼、幻影( garble )和異步應答( fruit )等問題,同時在數據方面有著巨大的潛力。國際上,模式s的數據技術得到了廣泛的關注,許多國家和組織大力支持基於模式s的通信、導航和監視技術以及航管理新技術的研究,許多成果正逐步被國際民用航組織( icao )所採用。因此,對模式s核心技術的深入研究對於我國在航管理、敵我識別、導航等方面的發展有著重大的意義。
  14. 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 。
  15. Test and computation of performance of cdma2000 1x - ev - do airinterface radio link

    系統中介面無線性能分析計算
  16. According to the high technique task about space optical communication arranged by relative department of government, this paper present theoretic analysis, modeling and simulation for the whole system

    本論文根據國家有關部門下達的關于間光通信的高新技術的研究課題,擬配合系統總體設計,完成光通信的理論分析、建模及模擬工作。
  17. Based on 3gpp standard, the author analyzed and researched the higher protocol layers of radio interface in wcdma, including radio resource control layer ( rrc ), medium access control layer ( mac ) and radio link control layer ( rlc ), in which, the rlc is emphasis

    依據3gpp協議,作者對wcdma中介面的高層協議部分進行了分析和研究,包括無線資源控制層( rrc層) 、媒體接入控制層( mac層)和無線控制層( rlc層) ,其中,對rlc層進行了重點研究。
  18. 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。
  19. The protocol opnet models built here could be reused for the simulation of throughput performance of aos bitstream, virtual channel access and other services, for the simulation of delay, channel utilization, and other aos protocol performance metrics, or for the simulation of the performances of high layer protocols ( space network layer, transport layer ) based on the aos space data link protocol

    可以在本課題建立的協議opnet模型基礎上進行aos協議位流、虛擬通道接入等其它業務吞吐量性能模擬,或進行延遲、通道利用率等協議其它性能模擬,或將模型應用於基於aos數據層的高層協議(間網層、傳輸層)性能模擬。
  20. The civil aviation department ( cad ) today ( december 4 ) begins to implement a new data link service for delivery of pre - departure clearance ( pdc ) at the hong kong international airport ( hkia )

    民航處今日(十二月四日)開始在香港國際機場推出一項新的航交通服務。新服務是利用數據傳送起飛前放行指示。
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