時分多路復用 的英文怎麼說

中文拼音 [shífēnduōlùfùyòng]
時分多路復用 英文
tdm time division multiplexing
  • 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
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 復 : Ⅰ形容詞1 （重復） repeated; double; duplicate 2 （繁復） complex; compound Ⅱ動詞1 （轉過去或轉過...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  1. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
  2. 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相關的光網路關鍵技術，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 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 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，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路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、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。
  3. On the base of fully utilizing the available data about tectonic maps and structural elements, the present paper has made synthesized research that used the ways of stratigraphic sequence edge unconformity analysis and stratigraphic thickness correlation analysis, and combined seismic - data interpretation, review of paleo - structure and ancient landform and research of tectonic evolution and petroleum system, and combined region and location, plane and profile and time and spatial. by the synthesis analysis on tectonic evolution of hetian paleo - uplift in tarim basin, the results indicate that : ( 1 ) hetian paleo - uplift is a sedimental and erosional paleo - uplift. the formation and evolution of the hetian paleo - uplift experienced three stages, that is, the uplifting and eroding stage of the caledonian period, the depositional stage of the hercynian period and the destroying stage of the himalayan period, and evolved from paleo - lift to inclining strap at last

    本文採用地質和地球物理相結合的研究思路，運用多種技術手段和方法；在充分利用已有構造圖資料和構造要素資料的基礎上，運用地層層序邊界不整合分析法、地層厚度對比分析法，結合地震資料的精細解釋、古構造和古地貌的恢復、構造演化史研究、含油氣系統的研究，和區域和局部、平面和剖面、時間和空間的結合研究，對塔里木盆地和田古隆起構造演化及油氣關系進行了綜合分析，認為： （ 1 ）和田古隆起為一沉積?剝蝕性古隆起；形成於志留-泥盆紀；其構造演化可分為三個階段，即加里東期的抬升剝蝕階段、海西期的沉積階段和喜山期的破壞階段，最終由古隆起演變為一斜坡帶。
  4. In a tdma network, multiple users share the common medium ( or channel ) and bandwidth but different intervals of time. in case of the burst mode, the carrier of the modulated signal needs to be synchronized in a very short time. the common approaches such as a costas - loop and so on are no longer suitable any more

    在一個時分多址（ tdma ）通信網路中，多個用戶通過不同的時間段共享一個傳輸線路（或者通道）的帶寬資源，每個用戶只能在分配給自己的時間段內進行通信，這種突發方式信號的解調要求載波恢復要在很短的時間內完成，我們以往在連續信號解調器中採用的costas環等方法很難適應這種要求。
  5. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件，技術難點和目前存在的問題，並重點分析了dvb - t系統結構流程，核心技術及系統通道特性和參數，該系統採用了cofdm （編碼正交頻分多路復用） ，大量導頻信號插入和保護間隔技術等核心技術，使之能抵抗高電平（ 0db ） ，長延時的靜態和動態多徑失真，有利於數字和模擬電視的混合傳輸，它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  6. It ' s an ideal structural system and has multi - earthquake resistance ability because of a great deal of slabs removed in floors above the transfer - story amended the lateral stiffness of the stories near the transfer - story. based on the available references, the five - spring line element, the three - spring line element and the multiple vertical - line - element model are introduced to model special column, beam and shear - wall, the relevant stiffness matrixes are deduced and the restoring - force models are gaven to deep into the elasto - plastic seismic characteristics of the structure. acording to the results of shaking table test and elastic finite element analysis, a new making model melhod is presented in which uses the linear and the nonlinear element and the assumption that the floor is infinitely rigid in different areas

    為進一步研究這種復雜高層建築結構的彈塑性性能，本文在國內外現有研究的基礎上，提出利用五彈簧桿元、三彈簧桿元及多豎線單元模型分別模擬空間柱、梁和剪力墻，推導了相應的剛度矩陣並給出了恢復力模型；結合試驗研究和精細有限元分析的結論，提出線性和非線性單元相結合，剛性樓板假定和彈性樓板相結合的建模方法，較好地解決了空間結構彈塑性分析中佔用計算機資源較多的問題；接力大型有限元分析程序? ? ansys ，在上述建模思路的指導下建立了結構的空間非線性分析模型，進行了空間三維彈塑性時程分析。
  7. Because internet is based on the bandwidth statistical multiplexing principle so there are lots of active flows competing limited bandwidth resource in a link. when network congestion occurs aqm must send congestion notification to adequate sources to reduce the traffic load and avoid queue overflow

    由於網際網路是基於帶寬統計復用的，一條鏈路上有很多活躍流（ activeflows ）在競爭有限的帶寬資源，因此，進行擁塞通知時應充分考慮到瓶頸鏈路上流的數量，而red演算法並沒有考慮到這一點。
  8. As the back - propagation neural network ( bpnn ) is adopted to diagnose the dissolved gases of transformer, convergence rate becomes slow, convergence precision becomes bad and even being out of convergence as more sampled data are trained and more complicated relation between input and output becomes

    根據電力變壓器油中溶解氣體分析（ dga ） ，採用反向傳播神經網路（ bpnn ）對電力變壓器進行故障診斷時，隨著學習樣本數目的增多，輸入輸出關系的復雜化，網路收斂的速度將變得緩慢，收斂精度不理想甚至不收斂。
  9. So, how to enhance the power of competition of chinese industry and companies is being the issue which the academia had to consider. while the modularity, being an effective method to resolve complicated system or product, has been used in the design 、 exploitation and the production of computer since 60s, 20 century, and has been applied the realm the industry of auto, architecture etc. this method is changing company ’ s notion, promoting resource been distributed and utilize reasonable, enhancing the power of competition of industry, and promoting the corporation between enterprises. in a word, as the developmental direction of industrial organization in 21 century, modularity is changing the structure of industry and enterprise, and will take us into a modularity age

    而模塊化作為一種解決復雜問題的有效辦法，從20世紀60年代在計算機電腦產業的產品設計、開發和生產中得到應用開始，已經被越來越多地應用到汽車、建築、網際網路通訊等諸多產業領域，它促進了社會資源的合理分配和利用，提升了產業的競爭力;推動了企業間的合作，有助於產品生產成本和交易成本的降低;加快了創新的速度，為消費者提供了更多具有個性化的產品和服務… …總之，模塊化作為21世紀產業組織發展的方向，正在改變著現存企業的經營理念，改變著產業的結構，並將我們帶入到一個模塊化的時代。
  10. In communication function the winsock interface was adopted to coding so that the software can be run on more operating systems. this paper proposes a vr - based telerobotic system for providing both visual and rapid information. the proposed system reduces the influence of time - delay on real time

    ）通訊通道中的多種信息分時復用傳輸；採用visualc + + 6 . 0的winsock網路編程介面實現網路通訊功能；為了使用戶獲得良好的交互界面，設計了基於虛擬現實的交互方法，雙向通訊結構可以降低傳輸滯后對系統實時性的影響。
  11. In a time division multiplex ( tdm ) system, a repetitive group of signals resulting from a signal sampling of all channels, including any additional signals for synchronizing and other required system information

    在時分多路復用（ tdm ）系統中，由所有通道的信號采樣中產生的重復信號組，它包括為同步要求的附加信號和其它需要的系統信息。
  12. Time division multiplexing

    時分多路復用技術
  13. However, some experts say sonet ' s tdm structure is too rigid for flexible provisioning or bandwidth sharing

    但是，有些專家認為， sonet的時分多路復用結構（ tdm ）太死，不利於靈活地提供服務或實現帶寬共享。
  14. At its core, sonet uses time - division multiplexing ( tdm ) - - a technology many experts think is outdated and incapable of delivering the high - speed data services users are demanding

    其核心是使用了時分多路復用技術（ tdm ） ，這是一項很多專家認為已過時，不能提供用戶要求的高速數據服務的技術。
  15. Firstly, the task, structure, technology and function of the existing dispatch system were introduced, whose key technology is based on the tdm and time division switch like pstn. further, the developing direction of pstn is based on ip, the pocked switch system and network, and also the dispatch system of the manned space flight launch base will transmit multimedia information on ip

    首先，介紹了現有調度系統的任務、結構、技術和功能，可以看出，其技術核心是時分多路復用和時分交換技術，現在公用交換電話網（ pstn ）正向基於ip的包交換系統和網路發展，載人航天發射場調度系統也將利用ip網路技術傳輸多媒體指揮信息。
  16. Based on the above analysis results, the system design is finished. the system design principal is detailed. the system architecture and data transmission proctocal are discussed. in order to transmit multi - channel data simutaneously on the monacable, tdm ( time division multiplexing ) technique is adoped in the system design. a special code is designed for data transmission on the tool - bus, so that the too - bus can both supply power and transmit data

    包括單芯電纜數據傳輸系統的設計思想、結構設計和數據傳輸協議的制定。在單芯電纜數據傳輸系統設計中，採用時分多路復用技術，實現多種參數儀器數據的同時傳輸。在儀器總線上採用特殊的碼進行數據傳輸，使得儀器總線既能供電又能傳輸數據。
  17. Abstract : all three types of transmultiplexer are explained from the view of filter banks. addtionally, an optimal algorithm for the analysis filter banks is proposed under the environment of additive white gauss noise ( awgn ). the analysis filter banks derived from the algorithm can match the spectrum characteristics of the input siganls

    文摘:從濾波器組的角度出發，對多路復用通信方式進行了解釋，同時給出了高斯加性白噪聲情況下分析濾波器組的最優求解方法，通過該方法得到的分析濾波器組能夠較好地跟蹤輸入信號的譜特性。
  18. To allocate a resource in turn to each of two or more claimants ; for example, to allocate processing time to different programs in a multiprogramming system or to allocate line use to different terminals in a multiplexed communications system

    將一資源輪流分配給每一個申請資源者，但同時有二個以上申請者，例如，在多道程序設計系統中將處理時間分配給不同的程序，在多路復用通信系統中將線路的使用權分配給不同的終端。
  19. Use of one channel for several messages by timedivision multiplex or frequency division

    通過時分或頻分多路復用的方法，用單個通道傳輸多個報文。
  20. In communications, a channel derived by time division multiplexing

    在通信技術中，一種按時間分割成多路復用的通道。
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