necessary bandwidth 中文意思是什麼
necessary bandwidth
解釋
必需帶寬-
Digital speech has preponderance over analog speech in reliability, robustness and security during communication. however, digital speech needs more bandwidth than the analog signal. especially with the requirement for communication frequency increasing, it ' s necessary to code speech signal at low rates
但是，數字化后的信號所佔的頻帶大幅增加，特別是在帶寬需求日益增長的今天，這個問題尤為突出，因此語音的低速率編碼（即壓縮編碼）成為迫切的要求。 -
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。 -
3 ) < wp = 12 > using perturbation analysis, the space - correlation loss and the bearing - estimated error for finite - bandwidth incoherently distributed sources are evaluated analytically, respectively. it is disclosed that bandwidth - induced bearing bias increases monotonously with the signal ' s relative bandwidth. when the relative bandwidth is not small enough to be negligible, the spatially - only processing cannot lead to accurate bearing estimate, that is, the joint space and time processing is necessary for high - precision bearing estimation
3 ）利用擾動分析方法，解析評價了有限帶寬引起的非相干分佈源的空間損耗及其對波達方向估計的影響；分析表明，帶寬擾動引起的方向估計偏差隨信號相對帶寬單調增加；當相對帶寬無法忽略時，為了得到高精度的波達方向估計，需要進行聯合空時處理。 -
With the development of vlsi and dsp technology, dsl is getting more and more mature. adsl implement a / d, d / a conversion, dmt & tcm and some necessary coding, by this way, adsl can achieve high efficiency of bandwidth and guarantees credibility we use itex adsl development tool ( iadt ) to simulate the central office, by this way, we can observe the performance of the adsl, including the overall performance monitor and subchannel performance monitor, we also present the arithmetic of every modules of the adsl
在接入骨幹網的策略上，由於atm組網的靈活性，方便性，所以在adsl接入網的局端採用atm的uni （用戶?網路介面） ，利用atm在高速交換網路中的優勢以及以往在電信運營中方便的用戶認證機制， adsl在用戶認證關聯上採用pppoveratm （ rfc2364 ）的方案，總體上說， adsl接入網的協議棧可以表述為tcp ipoverpppoveratm 。 -
Also, much related research requires the narrowband assumption, which is not always realistic in practical applications. it is necessary to analyze the effects of finite bandwidth to bearing estimation of spatially distributed source. additionally, more complex noise models should be dealt with in practical situations as well as that of white gaussian noise
不過，其中多數方法僅適用於小角度擴展情況，當角度擴展比較大時，需要在估計的穩健性和運算量之間進行折中；而且，許多方法要求信號傳播滿足窄帶假設，這在實際的應用場合中可能很難得到滿足，有必要分析信號帶寬對分佈源波達方向估計的影響；另外，也有必要考慮空間色噪聲環境中的分佈源波達方向估計問題。 -
Finally, we carry out a simulate experiment with sp / ts at high soft vare level. the results prove that the theoretical model we propose is reasonable. this system realizes allocating predictable network bandwidth to predictable process / task on the basis of certain process necessary
最後，我們對協議系統在軟體高層進行了模擬模擬實驗，實驗證明，本文提出的基於sp ts的理論模型是合理的，系統實現了在確定的時刻根據可預計的任務需要分配給可預計的網路帶寬，系統完全可控和可分析。 -
If you have the necessary bandwidth to download over 130 mb, you might consider downloading the full microsoft. net software development kit ( sdk )
如果你有帶寬，可以考慮下載微軟的全部. net軟體開發工具包（ sdk ） ，它的大小超過130兆 -
Asymmetric digital subscriber line can supply the necessary bandwidth for applications such as fast access to the internet, video conferencing, interactive multimedia, and videoon - demand. this technology is designed to solve the most severe bottleneck in the data access network between the central office and the customer, or end - user
Adsl可以為許多應用提供必要的帶寬，如快速接入internet ，視頻會議，互動式多媒體技術以及視頻點播等，可以解決在局端和用戶端之間接入網路速率讓人難以忍受的速率瓶頸問題。 -
So, bandwidth allocation scheme is very necessary for epon system due to requests of higher uplink bandwidth utilization and qos for different services
為了提高上行帶寬的利用率，保證不同業務的qos ，本文將對上行帶寬分配演算法做詳細討論。 -
Although the congestion control research of host - ends has made great strides, the current queue management mechanism in router is not able to provide end - to - end congestion control mechanism to sustain the above environment, namely, the unfairness of assigned bandwidth or drop - rate for different types of flows and the synchronization of all tcp flows in network. so it is necessary to improve the classical queue management mecnanism such as drop _ tail and red in order to boost the qos ( quality of service ). this article analyzes the main traits of host - ends congestion control and all kinds of fashionable queue management machanism, which include queue mechanism with absolute priority, weighted fair queue mechanism and class - based queue mechanism
本文分析了主機端的擁塞控制機制和網路中路由器的現有各種隊列管理機制：絕對優先級隊列機制、加權公平隊列（ weightedfairqueue ） [ 1 ]機制、基於類的隊列（ class - basedqueue ） [ 2 ]機制以及red （ randomearlydetection ） [ 3 ]機制的主要特點，並重點針對ietf （ internetengineeringtaskforce ）推薦的把red演算法與明確的擁塞通告ecn （ explicitcongestionnotification ） [ 4 ]結合的方法進行了分析，發現隨著internet流量的日益遞增， red機制的依賴平均隊列長度來管理擁塞控制的演算法並不能有效地阻止包丟失：與drop - tail相比， red確實消除了對陣發流量（ tcp ）的偏見，但是增加了平滑流量（ udp ）的丟包概率。 -
As microwave communication ca n ' t meet for quickly increasing recently demand for bandwidth, it is necessary for developing optical intersatellite communications techniques. but the acquisition, tracking and pointing ( atp ) are critical and difficult issues in optical intersatellite communications
空間光束捕獲跟蹤對準atp （ acquisition ， trackingandpointing ）技術成為空間光通信鏈路和網路的核心支撐性技術，目前已成為研究、關注的重點。 -
It will become the basic technology of those domains. in accordance to the characteristics of satellite communication system, it is necessary to limit the bandwidth of the signal spectrum and to decrease the isi
針對衛星通信通道的特點，為了節約頻譜資源，需要對發射信號進行帶限；為使傳輸誤碼率足夠小，必須最大限度減小碼間干擾。 -
The bandwidth of the network, both bone network and the local access network, is becoming larger and larger, which provide necessary infrastructure for broadband applications. more and more people prefer to access information interactively. all of these create excellent condition for the development of the vod technology
一方面，主幹網和接入網速率不斷提高，為各種寬帶應用提供了必需的硬體基礎設施；另一方面，越來越多的人願意互動式地觀看音視頻節目，這一切都為視頻點播（ vod ）技術的發展創造了良好的條件。 -
It is necessary that the receiver tracks the acquired signals steadily and credibly to ensure the successful demodulation process. in this thesis, an improved tracking loop design method is presented which adopts self - adaptation parameters and varied bandwidth tracking technique to adapt to the input signals, and improves the acquisition and tracking performance
接收機穩定可靠地跟蹤被捕獲信號保證成功解調是必要的，本文介紹一種改善的鎖相環設計方法，這種方法採用自適應參數和變帶寬跟蹤技術來調整輸入信號改善捕獲和跟蹤性能。 -
The development of network technology and requirement of the market make the next generation internet created on the opticall network which can provide the high bandwidth and agility. however, the mpls technology which can syncretize the ip and the technology oriented to the connecting and gmpls which is expand of mpls becomes the uniform control panel of next generation opitical networlsetting and controlling so many links by hand is not viable. to resolve the question, the te links are introduced. and lmp is put forward for this. gmpls is the necessary result that mpls extends to the optical network, and link management protocol is the important part of gmpls
網路技術的發展和市場的需求將使得下代internet核心建立在能提供高帶寬和高靈活性的光網路上。同時ip技術以及在此基礎上的改進也已經成為internet的主體技術。而將ip和面向連接技術很好融合的mpls技術和它的擴展gmpls成為下一代光網網路體系的統一控制平面。 -
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。 -
With the abrupt increase of the information and the rapid development of optical communication technique, it " s necessary to make full use of the broad - bandwidth advantage of the fibers. then, optical wavelength - division - multiplexing ( wdm ) has been brought out
隨著現代社會信息量的劇增，光通信技術取得的迅猛發展，人們開始致力於充分開發光纖的帶寬優勢，光波分復用（ wdm ）技術應運而生。 -
The bandwidth requirements column characterizes the transmission speeds necessary to send or receive data quickly enough for optimal presentation
寬帶要求欄描述了達到最優表現的情況下發送和接收信息的傳送速度。 -
Considering mmog ’ s huge scale and the fundamental limitations of network programming, such as high packet latency, limited bandwidth and packet loss, mmog network engine must provide strong network processing abilities, meanwhile a synchronization algorithm among all the hosts is necessary so as to maintain the consistency of the whole game state
因此， mmog網路引擎必須具有極強的網路處理能力，在固有的網路延遲、不可避免的丟包以及有限的帶寬資源的情況下，能夠對整個游戲世界的狀態在服務器和客戶端之間進行同步，使玩家體驗到更好的游戲效果，並實現玩家之間數據的安全傳輸。
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