通路有效帶寬 的英文怎麼說

中文拼音 [tōnglùyǒuxiàodàikuān]
通路有效帶寬 英文
channel effective bandwidth
  • 通 : 通量詞（用於動作）
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 通路 : thoroughfare; highway; highroad; route; viae; lead; outlet; approach; passage; gangway; access; c...
  • 有效 : effective; valid; efficacious
  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. Meanwhile, the successful application in eplrs validates the effectiveness and justification of the scheme and its support to the high data - rate real - time services. it provides one choice for multi - hop wireless network to support the bandwidth and delay sensitive services

    同時， eplrs通信網路的應用實例也驗證了本方案的有效性、合理性及其對多跳無線網路高速實時業務的支持，為多跳無線網路支持帶寬時延敏感業務提供了一種選擇方案。
  3. Presented a scalable method of qos provisioning in the broadband residential ethernet - based access network that offers qos guarantees for voip, tv, vod, etc. the cbr encoding control scheme with fixed services promises predictable traffic characteristics, which simplifies qos mechanisms and network designs ; the differentiated approach promises a scalable qos architecture for the carrier - grade broadband residential access network ; combining network dimensioning, diffserv and pricing promises qos provisioning with effectiveness and operability

    結合cbr編碼控制機制和限定服務類型提供可預測的通信量特徵，簡化了網路設計和服務質量方法的復雜度：採用區分服務方法，滿足了大規模寬帶社區網的高擴展性要求；結合網路容量規劃、 diffserv框架和定價機制研究多業務的服務質量，確保了服務質量方法的有效性和可操作性。
  4. The characteristic and key technologies of the system are as follows : ( 1 ) in realizing the live broadcast of audio and video, the problem of immense multimedia data and low networks bandwidth utilization ratio is solved by using mpeg - 4 as format of audio and video data. audio and video data are collected by video card cv500 which developed by beijing sum tone company ; meanwhile, the contradictory between the delay of networks transmitting and the quality of the image is well solved by setting a " bi - buffer area "

    系統實現中解決的關鍵問題和特色主要有以下幾個方面： （ 1 ）在視音頻直播功能的實現中，通過使用北京算通公司的cv500視頻採集卡和cv500sdk進行視音頻數據採集，並採用當今最新的圖像和語音編碼壓縮標準mpeg - 4作為視音頻數據的採集格式，既保證了圖像的質量，又大大縮減了視音頻所佔的帶寬，從而解決了多媒體數據量大、網路帶寬利用率低的問題；同時，通過設置環形緩沖區的辦法來調和網路傳輸延時與圖像質量之間的矛盾，取得了較好的效果。
  5. Secondly, ground on the duct noise control, the delayed - lms algorithm, which is actulized easily, is brought forward, then the simulation on pc is achieved. it is shown from the computer simulation that for the single frequency noise, there will be a good effect when choosing the suitable parameters ; but for the narrowband noise, the effect will become worse with increasement of the bandwidth. this result is helpful to analyze the parameters influencing anc

    結果表明： （ 1 ）隨著濾波器長度的增大，系統收斂速度變快； （ 2 ）隨著值的增大，系統的收斂速度增大，但是當值超過某一范圍時會引起系統的發散； （ 3 ）次級通路的延遲數與初級噪聲頻率有關； （ 4 ）對于窄帶信號， dlms演算法可以取得一定的降噪量，但是隨著窄帶信號帶寬的增大，降噪效果明顯變差。
  6. It is necessary to obtain performance data correctly and effectively for well designing, managing and applying network. performance measurement technology is the only effective way to obtain performance data correctly and effectively. it obtained network ' s correct performance characteristics by measuring the available bandwidth, delay and lost of packets, and monitoring the congest and traffic fluctuation etc. it is the base of designing, managing and applying network and very important for them

    要設計、管理和利用好網路，必須要求有效地獲取性能特徵方面的準確數據，網路性能測試技術是準確而有效地獲取性能特徵的唯一手段，它通過對網路實際和有效帶寬、數據包的延遲和丟失等的測試以及對網路擁塞、數據的突發性等運行狀況的監測，獲得網路性能特徵的準確數據，從而對網路的設計、管理和應用起著非常重要的作用。
  7. In the third chapter, the graft of tcp / ip in openbsd on psos + and the realization of the internet protocols including pppoe ppp smtp pop3 imap dns dhcp, embedded web server and how to estimate network state used by rtp / rtcp are introduced. in the fourth chapter, firstly h. 261, h. 263 h. 263 + standards and their differences are introduced

    在第三章中闡述了基於ip的網路通信協議的實現，主要是openbsd中的tcp ip協議棧在psos +上的移植和pppoe 、 ppp 、 smtp 、 imap 、 pop3 、 dns 、 dhcp協議、嵌入式web服務器的實現，然後介紹如何利用rtp rtcp來檢測網路有效帶寬，其中的網路有效帶寬就是在第六章提出的碼率控制演算法中確定目標幀率的依據之一。
  8. To the primary contradiction of real - time interactive visual simulation, limited bandwidth of network and real time transmitting parameter of relative to move sight, the control mechanism of 3 - d visual object is discussed, under the direction of hla idea, the visual federal object model vfom is established to describe the visual data distributing ; the author designed a grammar of vfom context and a turing conversion mechanism, it will support exploitation of visual simulation in different field ; the author analyses and apply opengl to design a method of implement real - time interactive visual simulation on pc, in additional with object - oriented program technique network communication technique multithreading technique, implement pc - virsp. there are 7 chapters in this thesis. in chapter 1, the developments of virtual simulation is looked back, the aim and significance and the main search content is put forward

    論文針對實時交互視景模擬的主要矛盾，即網路有限帶寬與視景運動交互參數實時傳輸矛盾，探討了三維視體運動控制機理，結合hla思想，建立視景聯邦對象模型（ vfom - visualfederalobjectmodel ）來描述視景數據分佈；並設計了模擬實體鏈描述文本文法及其存儲轉換機制，有效支持多領域視景模擬系統開發；分析並應用圖形介面標準opengl ，設計了基於pc機的實時互操作視景生成方法；針對網路分佈環境下視景模擬實時交互需求，設計視景運動同步控制方案；並綜合應用了面向對象編程技術、網路通信技術、多線程技術，實現了基於pc機的視景實時互操作支撐平臺（ pc - vrisp ? real - timeinteractivesupportingplatformforvirtualsimulationbasedonpersonalcomputer ） 。
  9. According to the definitions of bottleneck bandwidth, available bandwidth and bulk transfer capacity, we analyzed the algorithms which named vps ( variable packet size ), pptd ( packet pair / train dispersion ), slops ( self - loading periodic streams ) and topp ( trains of packet pairs ) ; based on the principle of sub - path bottleneck measurement, we developed the bottleneck measurement algorithm using heterogenous packet - pair train ; after designing the three child algorithms ( demarcating bandwidth range, approaching bandwidth value and predicting the trendency of available bandwidth fluctuation ), we performed the algorithm called self - loading binary search ; applying the multi - home properties of sctp ( stream controltransmission protocol ) and measurement algorithm of available bandwidth, we presented a scheme to adjust the sctp transport path when there are network congestions or faults ; by the library of winsock and winpcap, we developed a measurement program to look for bottleneck bandwidth. in ns2 experiments, the algorithm based on heterogenous packet - pair train fitted well, and the algorithm of self - loading binary search worked quickly, and the sctp scheme improved the throughput effectively

    本文根據瓶頸帶寬、可用帶寬和btc （ bulktransfercapacity ）三類網路帶寬定義，分析了vps （ variablepacketsize ）和pptd （ packetpair / traindispersion ）瓶頸帶寬測試演算法， slops （ self - loadingperiodicstreams ）和topp （ trainsofpacketpairs ）可用帶寬測試演算法;基於子路徑瓶頸測試原理，設計了異構包對序列的瓶頸測試演算法;並結合三個子演算法（界定帶寬范圍演算法、接近帶寬值演算法和帶寬變化趨勢判定演算法） ，設計了自載流折半查找的可用帶寬測試演算法;把上面的演算法應用到sctp （ streamcontroltransmissionprotocal ）的多宿性和可用帶寬測試，提出了一個網路擁塞或故障時調整sctp傳輸路徑的方案;結合winsock和winpcap兩套網路開發工具，設計了一個瓶頸帶寬測試程序;通過ns2模擬實驗，驗證了基於異構包對序列瓶頸測試演算法的準確性、自載流折半查找演算法的快速性，和sctp改進方案的有效性。
  10. Embedded technologies, multi - way technologies and sampling technologies are used to reduce the sampling rate by software, so that the system can provide appropriate image format according to the condition of network and can eliminate aliasing noise. the system also uses motion detection to control the frame rate. therefore, the system can save transmission bandwidth effectively and design to provide multiple degrees qos according to the network condition

    本方案採用了嵌入式技術和多路技術，並從采樣技術入手，軟體調整采樣率，使得系統能夠根據網路狀態提供適當格式的圖像，消除欠采樣噪聲，而且通過運動檢測來控制幀率，從而可以有效地節省傳輸帶寬，達到根據網路情況自適應地提供多種qos服務等級的目的。
  11. Multicast technology promises to enhance the capabilities of wide - area networks for supporting these applications. multicast transport mechanisms have been a topic of intense research and development efforts over the past couple of years

    這就帶來了帶寬的急劇消耗和網路擁擠問題，而組播正是一種解決點到多點通信的非常有效的方式。
  12. Design a kind of sub - optimum digital prefilter. through the simulation of timing recovery loop which is n ' t added prefilter and which is added prefilter, discuss the convergence characteristic and compare the relation between timing jitter and signal to noise ratio, the relation between timing jitter and noise bandwidth of loop, the relation between symbol error ratio and signal to noise ratio

    通過對加預濾波器后的定時恢復環的模擬，討論了環路的收斂情況，比較了所設計的數字預濾波器和無預濾波器時環路定時抖動與信噪比、定時抖動與環路噪聲帶寬、誤碼率與信噪比的數量關系，證實所設計的數字預濾波器對減少定時抖動非常有效。
  13. A lot of applications in broad bandwidth ip network are based on non - real - time communication by comparison with atm. we present dynamic virtual rate scheduling policy and limited difference - of - clock hybrid packet scheduling. they do n ' t only guarantee upper bound of traffic delay that is equal to vc and wfq ' s, but also optimize non - real - time communication by way of preventing real - time traffic from unfairly engaging network resource

    相對atm網路，寬帶ip網路中有大量的網路應用以非實時通信為基礎，本文提出了動態虛速率調度策略和有限時鐘差混合包調度演算法，與vc 、 wfq等調度演算法相比，不僅同等地確保實時通信的最小時延上界，而且通過限制實時通信對網路資源的不合理佔用，使得實時通信和非實時通信公平合理地共享網路資源，優化了非實時通信的轉發性能，改善了網路資源的有效利用率。
  14. This method is a kind of the end to end approach, based on the novel concept of using dummy segments to probe the availability of network resources in order to using the network resources more effectively. for the packet loss caused by the link error, it can recover the congestion windows quickly, so the goodput of tcp in satellite net can be improved

    Tcp - peach2方案是基於探測報文的一種端到端的解決方案，通過發送探測報文來對鏈路的實際容量進行探測，從而更加有效的利用網路帶寬，提高tcp協議的性能。對于由鏈路出錯所引起的數據包丟失，可以明顯加快發送窗口的恢復速度，從而大大提高衛星鏈路中tcp的吞吐量。
  15. It is avoiding to be engrossed bandwidth by useless fi 11ing data that is transformed in network. in order to assure the rea1 tiine of network transport, network is maintained a 1 ight - - 1oad status. it 1s the ways that fie1dbus is powered providing work - - power for fie1d device by spare wires among 1 inking - - wires

    我們用全雙工交換式以太網技術解決傳輸中通信的實時性和確定性問題，便用交換式集線器擴大網路帶寬，使用udp通信協議保證報文傳輸的有效載荷、避免不必要的填充域數據在網路上傳輸所佔用的帶寬，使網路保持在輕負荷工作條件下，進一步保證網路傳輸的實時性。
  16. A differentiated routing algorithm is proposed to route network traffic based on rdm bandwidth allocation model. advertising rdm model parameters and bandwidth utilization statics, different routing path is computed and established for different traffic class by using corresponding logical view of network. it is shown that diffroute can improve service quality in differentiated network effectly while improving resource utilization

    提出一種多路區分路由演算法：針對區分服務網路中存在的「類間效應」 ，以rdm鏈路帶寬分配模型為基礎，通過為不同類負載計算不同的傳輸通路，區分路由可以在確保資源分配公平性的基礎上有效改善各類網路負載的分佈狀況，提高區分服務網路的服務質量； 4
  17. The internet is based on the sharing channel of tcp / ip protocol and consists of various heterogeneous subnets. it is unpredictable of its transportation latency, available bandwidth and data package lost rate. so it ' s necessary to have an efficient encoding method and an adaptive real time transportation strategy to meet the multimedia communication ' s requirement of latency and bandwidth

    Internet基於tcp ip協議通道共享，由多種異構網路互連而成的，其中的傳輸延時、通道帶寬、數據包丟失率都是時變的、不可預測的，因此，對延時、帶寬要求很高的多媒體通信，必須有一種高效的編碼方法和根據帶寬變化的實時傳輸策略。
  18. However, in modern communications network, in order to utilize precious bandwidth resource efficiently, static allocation policies, which usually distribute bandwidth in advance, can not meet the demand of fast - growing communications

    然而，在現代通信網路中，為了有效地利用寶貴的帶寬資源，預先配置大小的靜態分配演算法已經不能適應快速發展的通信需要。
  19. Wavelength devision multiplexing ( wdm ) has become the technology to meet the rapid increase of bandwidth and capacity requirements in communication systems and networks, multiplexing and de - multiplexing devices are the key components in wdm system

    波分復用技術是解決寬帶，大容量光纖通信網路的一種有效方法，波分復用解復用器件是wdm系統的關鍵器件。
  20. Channel effective transmission bandwidth

    通路有效傳輸帶寬
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