all-optical networks 中文意思是什麼
all-optical networks
解釋
全光網-
Rsvp - te based fast fault restoration scheme for meshed all - optical networks
全光網路的快速故障恢復演算法 -
Distributed network control of optical path connection for all - optical networks
全光網路中光通道連接的分散式管理 -
Wdm all - optical network can meet the need of modern network communication with good performance. this paper studies the wavelength - rounting all - optical networks without wavelength converters
本論文主要研究了無波長轉換機制下的wdm波長路由型全光網。 -
Abstract : oxc is the key technology in the implementation of all - optical networks. this paper presents an overview of the funcation, architecture and research advances in oxc
文摘:光交叉連接技術是實現全光網的關鍵技術。分析了全光網中的光交叉連接的作用、技術特點以及國際上的進展。 -
A single fiber can be employed for multiple data streams simultaneously. all - optical networks employing the concept of wdm and wavelength routing are considered as the transport networks for the future
鑒于目前具備全波長轉換能力的波長路由節點仍然相當昂貴，因此實際應用中為所有網路節點裝配全波長轉換器的作法並不現實。 -
Therefore all - optical networks based on the concept of wdm and wavelength routing rwa ( routing and wavelength asignment, rwa ) is considered as a candidate for the next generation transport network
因此利用wdm傳輸技術以及選路和波長分配rwa （ routingandwavelengthalgorithm ， rwa ）技術的光傳送網是下一代高速骨幹網最具競爭力的候選者。 -
The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge
單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇波長路由的智能型格形光網路演進，對光濾波器的常規性能指標、時域特性和動態可調諧特性提出了更加苛刻的要求，鑒於此，本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、數字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波耦合器和偏振泵浦合波器。 -
All - optical networks employing the concept of wdm and wavelength routing are considered as the transport networks for the future. with the development of oxc and oadm, the optical transmission network based on wdm is not confined to point - to - point transmission. so, there must be the assignment and optimization of network resource on demand
隨著oxc （ opticalcrossconnect ，光交叉連接設備） 、 oadm （ opticaladd / dropmultiplexer ，光分插復用設備）技術的不斷成熟，基於wdm （ wavelengthdivisionmultiplexing ）技術的光傳送網已不再局限於點對點傳輸，而是組網運用。 -
Next, a novel priority - based wavelength assignment algorithm in all - optical networks with partial wavelength conversion is proposed, based on link independent assumption and the method of calculating the network the blocks probability. it improves the routing and wavelength assignment presented by others. this algorithm fits the demand of different business for asking the grade of corresponding different services in the modern all - optical network than the original algorithm
其次研究了部分波長可變wdm網中支持優先級的波長分配問題，以及在此網路中網路阻塞概率的計算;基於鏈路波長佔用獨立性假設，改進了在部分波長轉換wdm網中已有的rwa演算法，提出了一種支持優先級的動態波長分配演算法，該演算法保證了較高優先級的光路建立請求具有較低的阻塞率，比原有演算法更加適合現代光網路中不同業務請求對應不同服務等級的要求。 -
In present, wdm communication system is developed towards two directions. on one hand, wdm system is transforming from the point to point system to all optical networks
目前， wdm系統的發展呈現出以下兩大趨勢:一方面， wdm正在由點到點傳輸系統向wdm全光網發展。 -
Optical code division multiple access ( ocdma ) is a communication mode which introduces the code division multiple access ( cdma ) technology into optical fiber communication system. besides providing asynchronous communications access, ocdma system has many advantages, such as high capacity, security against interception, suppression of narrow band disturbances, capability in forming variable bit rate networks and multi - rate networks. it implies a great challenge for the development of future communication networks, especially all optical networks
光碼分多址（ ocdma ）是將碼分多址（ cdma ）技術與大容量的光纖通信技術相結合的一種通信方式，其主要優點表現在如下幾個方面：允許多個用戶隨機地接入同一通道：可構成真正「透明」的全光通信網路；具有良好的安全性；允許可變速率或多速率傳輸，並可同時提供多種業務支持；具有優良好的抗干擾能力，並能夠充分地利用石英光纖的可用帶寬。 -
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。 -
By using the algorithm, the blocking rate of the high priority request is guaranteed to be a lower degree, and at the same time the proposed technique can be applied to analyze all - optical networks with arbitrary wavelength conversion
同時該方法適用於鏈路上配置任意數目轉換器的情況。最後對波長可變光網路中支持服務質量（ qos ）的動態rwa演算法進行了研究。 -
Therefore, fiber gratings have numerous applications in almost all the realms of optical fiber, especially in wavelength - division multiplexing ( wdm ) all - optical networks. this dissertation presents a detailed study of the following three types of fiber gratings : fiber bragg grating fabricated with cladding mode suppression fiber, linearly chirped moir fiber grating, and long - period fiber grating with rectangular index modulation
本文以目前在wdm全光網中有良好應用前景的三種類型的光纖光柵（用包層模抑制光纖製作的光纖布拉格光柵、線性啁啾moir光纖光柵、矩形折射率調制型長周期光纖光柵）的理論和設計為研究內容。 -
All - optical networks employing the concept of wdm and wavelength routing are considered as the transport networks for the future. with the development of oxc and oadm, the optical transmission network based on dwdm is not confined to point - to - point transmission, which is extended to networking
隨著oxc （ opticalcrossconnect ，光交叉連接設備） 、 oadm （ opticaladd / dropmultiplexer ，光分插復用設備）技術的不斷成熟，基於wdm （ wavelengthdivisionmultiplexing ）技術的光傳送網已不再局限於點對點傳輸，而是組網運用。 -
Wavelength - division multiplexing ( wdm ) is a promising approach that can use the enormous bandwidth of the optical fiber. a single fiber can be employed for multiple data streams simultaneously. all - optical networks employing the concept of wdm and wavelength routing are considered as the transport networks for the future
由於wdm網路關鍵部件目前還較昂貴，在這樣的網路上運行ip業務，既要考慮到網路的魯棒性和對資源利用的有效性，又要考慮網路的可升級性能，這常常是互為矛盾的。 -
The internet, especially the world wide web, is dramatic examples of new modes of communication that have placed heavy demands on the current infrastructure. the current fiber communication networks will be developed to all optical networks in the future
網際網路的發展使得人們對現有的通信體系提出了更高的要求，其中一個目標就是建立全光通信的網路平臺以提高數據傳輸的透明性。 -
In this thesis, firstly, the existing heuristic algorithms for steiner tree problem are summarized ; secondly, a research and analysis is made on the multicast trees that satisfy qos requirement and a fast routing algorithm for delay - constrained low - cost multicast is presented. through simulation, we find that the proposed algorithm is simple and can get the low - cost tee in polynomial time. at last, the multicast routing and wavelength assignment in wdm optical networks is studied ; a routing and wavelength assignment in wdm all - optical networks is presented
本論文首先綜述了多播路由問題的理論基礎，接著對滿足qos約束的多播路由問題進行了研究，提出了一種快速的時延受限最小代價多播路由演算法，該演算法簡單、快捷，能在多項式時間內找到滿足時延約束的代價較小的多播樹，具有良好的性能；最後，研究了wdm光傳送網中的多播路由和波長分配問題，並提出了wdm全光網路中的多播路由與波長分配演算法，該演算法將路由和波長分配統一進行，構造了時延受限低代價多播樹，克服了將尋徑和波長分配分步進行的弊端，避免了同類演算法的較高復雜性。 -
First, the growing history and the basic principle of the wdm optical networks are introduced, then the construct of the wdm all - optical networks is discussed, physical topology and logical topology and so on. then, the routing technology in wdm system is presented in this paper, as well as key optical components in optical networks. the routing and wavelength assignment issue in the optimal design of rwa algorithm is particularly explored
論文介紹了波分復用系統的原理、發展歷程，討論了wdm全光網體系結構、網路物理拓撲和邏輯拓撲，光交換/光路由等技術和關鍵器件，著重研究波長路由型全光網優化設計中的路由和波長分配問題。 -
We present an approximate universal analytical technique ( e - rla ), based on link independent assumption and rla approach, for the blocking performance analysis of all - optical networks with partial wavelength conversion, fixed routing and random wavelength assignment. the proposed technique can be applied to arbitrary networks with arbitrary wavelength conversion configuration and arbitrary traffic mode
我們基於鏈路獨立性假設和rla技術提出了部分波長轉換配置方式下波長路由光網路的阻塞性能的通用近似分析方法（ e - rla ） ，該方法擴展了rla的適用范圍，可以適用於任何網路拓撲、任何業務量分佈模式條件下網路中任意鏈路上配置任意數目轉換器情況的研究。
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