線路擁塞 的英文怎麼說

中文拼音 [xiànlùyōngsè]
線路擁塞 英文
line congestion
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 擁 : 動詞1 （抱） hold in one s arms; embrace; hug 2 （圍著） gather around 3 （擠著走） crowd; throng...
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  • 擁塞 : jam; congest
  1. In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed

    在該方法中，擁塞控制器以緩沖區大小信元作為擁塞指示，以信源質量和帶寬利用率作為目標函數進行在線學習，控制器輸出包括信源編碼率及其對應的用戶數在全部用戶中所佔的百分比，即根據信源編碼率及對應的用戶百分數調整信源輸入流，從而克服了以往擁塞控制方法中僅僅調整編碼率帶來的對所有信源進行整體調整的缺陷，使控制系統在信元損失率最小情況下確保信源輸入流質量最高，從而有效地利用了網路帶寬。
  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路結構中的無線tcp協議改進方案，其一在最後一跳為無線鏈路的網路環境中，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，其中包括無線鏈路的高誤碼率和連接斷開問題的解決，並重點對方案中出現的交叉層問題進行分析和模擬；其二，考慮的是分散式網路（ adhoc ） ，在文中較為詳細的分析了tcp和mac層機制間的相互作用、路由協議中造成tcp性能降低的因素、 adhoc網路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，重點對方案中的關鍵參數進行分析和模擬，分析和模擬結果表明此機制可在很大程度上提高adhoc網路中tcp的性能。
  3. Using method of oil - flow visualization techniques and measuring pressure distribution along airfoil chordwise and spanwise studies have been down for sidewall boundary - layer displacement effect in two - dimensional wind tunnel. three different chord models were tested in two different wind tunnel. in order to clarify the sidewall effects and study method of sidewall suction theory and sidewall interference correction method to remove effects of sidewall on model. the results of oil - flow test show that selection rational suction wary can obtain better testing results. by investigations on effects of the sidewall boundary layer suction and application of a sidewall interference correction method

    為了很好地解決多機場航班隊列的擁塞問題，在將進場容量、離場容量與機場容量作為統一整體的情況下，充分考慮了機場間的網路效應，詳細研究了多機場航班隊列的優化問題，建立了多機場開放式非實時流量管理的數學模型，通過選取適當的決策變量，使其為線性0 - 1整數規劃模型，實現了中心流量集中管理.與其它演算法不同，本文提出的啟發式隱枚舉演算法能很好地解決此類問題，對某機場網路系統的模擬結果證明了所建模型、優化演算法及相應軟體的有效性和可靠性
  4. For packet loss result from network congestion, rab adopts the same recovery mechanisms as the original tcp ; for packet loss result from link error, it adopts a recovery mechanism which is called immediate recovery, and the value of congestion window of the source is set to a value that corresponds to the available bandwidth

    對于擁塞導致丟包，則採取與傳統tcp協議相同的恢復機制（即窗口減半，並進入擁塞避免階段的線性增加） ，而對于鏈路錯誤導致丟包，則採取立即恢復策略，將tcp源端的擁塞窗口設置為與其估計帶寬相應的數值。
  5. The dijkstra algorithm of the least of hops is used for path calculated in olsr. but the protocol only tries its best to transmit data, not considering the state of wireless link

    它採用dijkstra演算法計算跳數最短路徑，並盡力而為地傳送數據包，沒有考慮無線鏈路時延、帶寬等狀態和節點擁塞程度，這樣的路徑計算方式已經不能滿足用戶對網路提供服務質量的要求。
  6. 25 zhang b, shirazi m n. implementation of explicit wireless loss notification using mac - layer information. in proc. ieee wireless communications and networking conference, vol. 2, new orleans, usa, march 2003, pp. 1339 - 1343

    1易損耗的無線通道導致了高比特誤碼率，從而引發數據包錯誤甚至無法恢復，發送端就誤認為網路擁塞，導致頻繁進入慢啟動，造成tcp性能下降。
  7. You may also be accessing our site from a location that has a slow connection to the internet. since neither of these problems are in your control or our control to fix, we can only suggest you be patient and try to listen again at another time

    答：若同時有太多的人上同一網站就會有線路擁塞的情形，或者您所藉以連上我們的網站之線路速度比較慢。這些情形並非您所能掌握的，請您耐心等待，或是另外找時間再為嘗試。
  8. 16 hanbali a a, altman e, nain p. a survey of tcp over mobile ad hoc networks. available at http : www. inria. fr rrrt rr - 5182. html, may 2004. 17 jain s, lv y, das s r. exploiting path diversity in the link layer in wireless ad hoc networks

    我們指出，這些非擁塞因素包括易損耗的無線通道mac層中的過度競爭和不公平接入節點移動脆弱的路由協議不適合的擁塞窗口不對稱路徑。
  9. In discussing their readiness, chinese officials seem most keen to talk about the impressive collection of new and renovated sports venues that will house the competitions, such as the national stadium ( above ), and the equally impressive array of new roads, railways, and metro lines that will ferry the massive crush of spectators and athletes around the chronically congested city

    在討論是否準備就緒的時候，中國官方總是非常熱切地討論那些用於承辦各項賽事的讓人留下深刻印象的新建成的或者翻新的體育場館，譬如說國家體育館（上圖） ，還有同樣讓人折服的一條條新公路，鐵路，以及在這個總是很擁塞的城市裡用來運送大量遊客和運動員的地鐵線。
  10. Specifically, for the first time all factors impairing tcp performance are identified based on network protocol hierarchy, i. e., lossy wireless channel at the physical layer ; excessive contention and unfair access at the mac layer ; frail routing protocol at the network layer, the mac layer and the network layer related mobile node ; unfit congestion window size at the transport layer and the transport layer related asymmetric path

    Tcp是一種面向連接的可靠傳輸層協議，最初是針對有線網路設計的。由於有線網路鏈路可靠性高，傳統tcp認為丟包和亂序是由網路擁塞所導致。然而，在manets中，眾多非擁塞因素導致了丟包和亂序。
  11. The two - lane road was clogged by an endless convoy of lorries. finally i arrived at indira gandhi international airport. despite the hour it was teeming with people

    在雙線路上塞滿著不見尾的貨車龍.最後我到達了甘地國際機場.雖是零時，但仍是擁擠著人流
  12. Even though most losses in wireless networks stem from factors like signal fading, interference, and link blackouts, tcp assumes the losses to be related to congestion, so it kicks in algorithms that slow down network traffic

    盡管無線網路中的大多數損耗來自信號衰退、干擾以及連接中斷等因素，但是tcp假定這些損耗與擁塞有關，因此它摒棄了降低網路流量的演算法。
  13. Based on the detail of traditional tcp, the reason of the low throughput and impaired performance of tcp in wireless networks is given, then some solutions are proposed based on the transmission control principle. moreover the impactions of protocols in the lower layers including mac and routing protocol on tcp in ad hoc network are discussed in detail, and 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 investigated. in this environment an integrated wireless tcp, called iwtcp, is presented to solve the problem about higher bit error rates and disconnection, which emphasizes on the analysis and simulation, the results show that the scheme can greatly improve the performance of tcp, and the realization of iwtcp is given at last

    文中主要針對分散式adhoc網路，由於其獨特的網路結構，所以我們在分析tcp基本原理的基礎上，討論了傳統tcp在無線環境中吞吐量較低、性能惡化的原因，並闡述了無線環境對擁塞控制機制提出的要求，同時就adhoc網路中低層網路協議（ mac層和網路層協議）對tcp的影響進行了詳細的分析，強調tcp和mac層機制間的相互作用、路由協議中造成adhoc網路中tcp性能降低的原因，並針對現有無線tcp方案不能有效應用於有線無線網路的問題，提出了應用在adhoc網路和internet網路互聯環境下的一種綜合性tcp解決方案? ? iwtcp ，重點對該方案的性能進行模擬，從理論上分析了性能提高的主要原因，並證明此機制可在很大程度上提高adhoc網路中tcp的性能，最後給出了iwtcp具體軟體實現方案。
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