backbone networks 中文意思是什麼
backbone networks
解釋
骨幹網路-
Because the wdm technology can fully utilize the enormous bandwidth of the optical fiber, the cost for transfering data can be greatly decreased. this enables wdm technology to be the most attractable technology in wide backbone network. it is predicted that in the near future, the wdm technology will be widely used in other networks
Wdm技術對光纖巨大帶寬的充分利用可以導致傳輸數據的價格大幅度的降低，這使它已經成為廣域骨幹網路中最具吸引力的技術，而且可以預言在不遠的將來，它還會在其他網路領域中得到更廣泛的應用。 -
Because this technology can fully utilize the enormous bandwidth of the optical fiber to transfer the data, the price for transfer data can be greatly decreased. this enables it to be the most attractable technology in wide backbone network. it is predicted that in the near future, the wdm technology will be greatly used in other networks
Wdm技術對光纖巨大帶寬的充分利用可以導致傳輸數據的價格大幅度的降低，這使它已經成為廣域骨幹網路中最具吸引力的技術，而且可以預言在不遠的將來，它還會在其他網路領域中得到更廣泛的應用。 -
Today, most premises networks are installed with multimode fiber in the building backbone and campus backbone segments
今天，許多建築網路在樓宇主幹網和園區主幹網部分使用多模光纖安裝。 -
In communicaton the bandwidth is an important problem that we should consider, specially in wireless communication. in fact the fiber is mainly used in backbone networks, so it is essential to develop the low rating coding technology of voice. the arithmetic of melp is based on the model of lpc and use the form of mixed excitation. because it integrates the idea of multi - band, so it has the merit of lpc and mbe. it is a perfect coding scheme in low rating voice coding relatively
而melp語音壓縮編碼演算法是在線性預測編碼參數模型的基礎上，採用混合激勵的形式，並且結合了多帶的思想，因此它擁有線性預測編碼和多帶激勵的優點，是目前低速率語音編碼中一種比較理想的編碼方案，也是本文研究的重點。本論文通過研究melp的語音編解碼演算法的原理，對它的編解碼過程作了比較深入的研究，對其中的一些公式進行了理論推導，並作了模擬分析，最後研究了該演算法的c語言實現。 -
The 4 - layer printed circuit board, which proposes good electro magnetic compatibility, electrical trait and heat elimination ;. full / half duplex auto - negotiation support ; diagnostic monitoring for malfunction indication and troubleshooting ;. supporting hot - pluggable ; good compatibility ; good at heat elimination. 1. 25gbit / s sfp optic transceiver has been deployed in various broadband applications will be used in backbone networks of ring or daisy - chain topologies
我們設計的光纖收發器有良好的電磁兼容性，並保證了電路板的供電特性和散熱特性、支持全半雙工自適應、具有數據診斷功能、準確方便的判斷網路故障、支持熱插拔操作、兼容性良好。 -
An architectural model of diffserv / mpls backbone is proposed to provide reliable, fair - treating qos service in mpls networks. taking mpls as fundamental packet forwarding mechanism, diffserv as qos provisioning model, our framework relizes high quality network service while balancing load across backbone. defining relationship between interserv service type, diffserv service class and exp field of mpls label, the model could also provide efficient interconnecting service between different user networks
提出一種mplsdffeery骨幹網路模型：以mpp為基礎傳輸技術，以dffeery為服務質量控制模型，該骨幹網路模型綜合利用區分路由和前攝式多路路由方法實現對業務量的高質量傳輸和網路負載均衡；通過intersery服務類型、 dffeery服務類和mpde標簽中實驗欄位之間的相互映射，該骨幹網路模型實現對多類用戶子網的有效互聯；模擬結果顯示， dffeery mpls骨幹網路模型可有效實現端到端的服務質量控制和流量工程目標。 -
Unlike currently mature broadband backbone networks, broadband service is in its infantry
相對目前比較成熟的寬帶骨幹網，寬帶業務的開展才剛剛起步。 -
In fact, all services and logical networks, including the internet, share physical transport on relatively few backbone fiber optic transmission systems
事實上，電信的所有服務，邏輯網路，包括internet ，都共享數目相對較少的骨幹光纖傳送網路。 -
Connecting building backbone networks and government departments to the gnet via atm wan technology. there will be two categories of contracts
透過寬廣區域網路顯示傳輸形式，將政府辦公大樓主幹網路及各政府部門接駁至政府主幹網路。 -
In the aspect of the choice of the comprehensive network schemes, it proposes to have the whole communication network categorized into backbone networks and specialist networks, due to the fact that city ' s trail transportation involves vast investment and lengthy construction and must be implemented line after line, period after period, etc. how to connect pots of specialist networks to backbone network so as to effect business transmission across lines has also been discussed
3 、網路總體方案的選擇比較：針對城市軌道交通的建設投資大，時間跨越長，分線、分期施工建設的特點，將城市整個通信網分成骨幹網和專線網。在骨幹網中如何將各專線網的一個或多個骨幹節點組合，實現跨線的業務傳輸。 -
Other local networks have only sgsns ; they do not need ggsns. the provincial network accesses to the national backbone network via brs. so the local networks may be connected with each other via leased circuits on a ppp basis, as is shown in figure 4
有的本地網有可能不需要gsn節點而通過其它本地網的gsn節點提供服務，而有的本地網只有sgsn而不需要ggsn ，省網通過邊緣路由器（ br ）接入全國骨幹網，此時各本地網可通過租用電路以ppp方式連接，如圖4所示。 -
With the rapid commercial applications of the wdm technology and the explosive growth of the transmission bandwidth of backbone networks, network survivability has become increasingly more important
摘要隨著波分復用（ wdm ）技術的迅速商用化，骨幹網路傳輸帶寬呈現爆炸式增長的趨勢，這使得網路生存性變得越來越重要。 -
The sgsns and the ggsns in different local networks communicate either via an fratm network on a pvc basis or via routers at provincial backbone nodes ; so the network has a certain degree of flexibility
不同的本地網sgsn與ggsn之間的通信，既可以通過fratm網路以pvc的方式建立連接，也可以通過省內骨幹節點的路由器進行轉接，網路具有一定的靈活性。 -
Like a backbone switch, a workgroup switch can support a large number of ethernet addresses per port and can replace a router and segment networks or users
工作組交換機像基幹交換機一樣，能在每個埠上支持大量的以太網地址，並能代替路由器和分段網或用戶。 -
With the explosive increase in network traffic and the emergence of high performance optical network devices, such as optical cross - connect ( oxc ) and optical add / drop multiplexer ( oadm ), wavelength division multiplexing ( wdm ) technology becomes the core technology of next generation backbone networks
隨著網路業務量的爆炸性增長以及高性能的光網路設備（如光交叉連接器oxc 、光分插復用器oadm ）的出現，波分復用技術（ wdm : wavelengthdivisionmultiplexing ）將成為下一代骨幹網路的核心技術。 -
Provision of asynchronous transfer mode ( atm ) wide area network ( wan ) bearer services for government connecting building backbone networks and government departments to the gnet via atm wan technology
透過寬廣區域網路顯示傳輸形式，將政府辦公大屢主幹網路及各政府部門接駁至政府主幹網路。 -
The hull, powered by a communication dedicated power supply, has good electro magnetic compatibility, and heat elimination. ist - 100m - s / m has been deployed in various broadband applications, will be used in backbone networks of ring or daisy - chain topologies
快速以太網光纖收發器ist - 100m - s m已經廣泛應用於各種寬帶接入網環境中，並將逐步應用於環形骨幹網和鏈形骨幹網中。 -
From the emergence of the concept of the all - optical networks at 1990, to the widely commercial use of dense wavelength - division multiplexing, the rapid advance of optical communication makes optical transport networks ( otn ) the only candidate for the backbone network of next generation internet
從1990年提出全光網概念，到密集波分復用技術全面商用，光通信技術的迅速發展已使全光傳送網路技術成為下一代互聯骨幹網上唯一可選的網路技術。 -
Nowadays, the wide application of optical fibers in backbone networks have made a great breakthrough in the throughput of the trunk networks, and comparatively, the traditional analogous and narrow band access networks have become the bottleneck for the development of the communication networks
目前，主幹網已大步邁向寬帶化和數字化，相比起來，原來模擬的，窄帶用戶環路就成了整個通信網路發展的一大障礙，因此寬帶接入技術的研究和寬帶接入網的實現成了當前通信領域的一大熱點。 -
At present, the backbone transport network in china mainly introduced the sdh transport techniques and atm switching techniques, then the network functions and traffics are highly integrated. and the damage of transport link and / or node failures will become much more serious than that of existing networks. in addition, because of the increasing social dependence on communication systems and the growing importance of information, it is very important to study network survivability strategies, which is also one of the important criterions to evaluate transport networks
這意味著通信網，尤其是大容量的高速通信網的失效（包括節點和線路的失效）將會給人們帶來巨大的經濟損失；另外，隨著人們生活水平的提高，人們對信息傳送的質量的要求也越來越高，這使得通信網的生存策略研究顯得很迫切；況且，中國已加入wto ，電信運營的競爭日趨激烈，為了在競爭中有一席之地，各電信運營商必需提供高質量、低成本的電信服務，這進一步促使通信網的生存策略研究提上日程。
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