all optical communication 中文意思是什麼

all optical communication 解釋
全光通信
  • all : adj 1 所有的，全部的，整個的，一切的。2 非常的，極度的，盡可能的。3 〈口語〉用盡，用完。n pron 全...
  • optical : adj 眼的；視覺的；視力的；幫助視力的；光學（上）的。 optical activity 【物理學】旋光性。 an optic...
  • communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
  1. Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type

    液晶器件幾乎滿足空間光通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可編程性、光學接收孔徑、光束掃描和偏轉范圍等等。液晶光開關、光偏轉器、光掃描器已經開始應用於光纖通信的實驗系統中。液晶類器件應用於光通信的唯一重大缺陷，是其響應速度目前只能達到微秒級或亞微秒級，不過，在不涉及到碼型碼率的空間光束捕獲、掃描、偏轉、控制方面，液晶器件完全可能進入實用化。
  2. Actively mode - locked erbium - doped fiber lasers ( edfls ) with a high repetition rate and multi - wavelength fiber lasers are attractive optical sources in future ultra - high speed and all - optical communication systems

    多波長摻鉺光纖激光器（ mw - edfls ）可以同時為多個波長通道提供所需光源，被認為是未來長距離大容量的光纖通信系統的理想光源。
  3. 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。
  4. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  5. In the paper, a conception of wireless lan based on the technology of optical diffusion communication is presented. by analyzing the system ' s structure and each part of the function components, the paper illustrates in detail all kinds of communication theories and protocols that are fundamental for the system ' s operation

    本論文提出了基於光散射通信的無線組網新方法，給出了該通信系統的結構和功能模型，就系統涉及到的軟體協議和通信理論進行了細致的分析。
  6. Using ordinary modem, the data transmission speed under the current existing twisted pair access copper telephone lines network for voice communication is limited to 56kb s, which is totally inadequate for high volume data transmission. even using the adsl technology, the maximum transmission speed can only be increased up 6mb s. to surmount this problem by providing optical network access directly to all users ? home and offices not only involve very high cost but also extremely time consuming engineering work

    現存原來用作話音通訊的雙絞銅線電話固網，在利用現時普通的modem情況下，數據傳送速度僅為56kb s即使利用較先進的adsl技術，其最高速率亦只有6mb s ，不足以應付高容量資訊的傳輸然而要做到光纖入戶，不但成本高昂，而且工程所需之時間漫長。
  7. Column and content as a journal in the electro - optic field, it is an application technology oriented journal, it covers almost all the topics relevant with optics, such as optical design, optical fabrication and integration, image processing, optical metrology, electro - optic engineering, optical communication, low - light - level night vision, ir and laser technology, thin - film optics, electro - optic countermeasures, etc

    同時，應用光學也受到國外著名檢索機構網路的關注， 2006年被俄羅斯文摘雜志aj美國化學文摘ca和劍橋科學文摘csa收錄， coden碼為yguae4 ，在國際上有了一定的影響力。
  8. The actively mode - locked erbium doped fiber laser is very attractive among those potential sources which can generate broadband tunable near transform - limited pulse with high repetition rate and has been used as the ideal optical transmitter and all optical clock source in the future long - distance communication systems

    對于高速光纖通信系統而言，能輸出高重復頻率的、近極限超短脈沖的主動鎖模光纖激光器被認為是未來遠程無中繼光纖通信系統的理想光源。但其難點是工作穩定性問題。
  9. 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。
  10. Therefore, all - optical network effectively overcomes the electronic bottleneck introduced by complicated digital cross connection equipments, accomplishes fast bit rate, great capacity and good service quality communication, and possesses the transparency for bit rate, data format and modulation means of signal

    因此，全光網路有效地克服了復雜的電數字交叉互連設備的「電子瓶頸」 ，實現高速率、大容量、高質量通信，並且對信號速率、數據格式和調制方式透明。
  11. 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。
  12. 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。
  13. It can be expected that fabry - perot filters and fiber grating filters will still play important roles in future all optical communication systems

    它們的應用將大大推動高速光通信的發展，在未來的全光通信系統中仍將扮演重要的角色。
  14. Being key components of optical fiber communication, fabry - perot filters and fiber grating filters have been applied in optical sources, wdm multiplexing and de - multiplexing, and add - drop multiplexing, wavelength routers, optical switching of all optical network etc., which greatly promote the advance of high. speed optical communication technology

    而法布里-珀羅濾波器和光纖光柵濾波器是現代光通信系統中的關鍵器件，它被廣泛應用於光纖通信的各個關鍵環節，從光源、波分復用的分波和合波，到全光網路的上下路、波長路由；光交換等。
  15. All rights reserved cangzhou henghui optical communication equipment co., ltd

    版權所有：滄州恆輝光通信設備有限公司
  16. With the rapid growth of all - optical and high - speed networks, the gain bandwidth of a conventional c - band edfa cannot satisfy the requirement of a dwdm system. furthermore, the gain of each channel will change dynamically with the network reconfiguration for a uniformly broadened edfa, which will finally influence the stability of the communication system

    隨著光纖通信向全光高速網路系統的深入發展，傳統的c - bandedfa的增益帶寬已經不能滿足dwdm系統的要求，而且這種以均勻展寬為主的edfa會隨網路的動態重構引起進入edfa的通道的增益不斷變化從而影響系統的工作穩定性。
  17. Optical code division multiplexing access ( ocdma ) is one of the possible resolutions for all optical communication network in the future, which is a hot topic in optical communication research

    光碼分多址ocdma （ opticalcodedivisionmultipleaccess ）是未來高速全光通信網路的備選方案之一，是目前光通信技術領域研究的熱點。
  18. Optical code division multiplex access ( ocdma ) is a novel kind of technologies which combines with the features of wireless cdma and optical fiber communications and has strongly technical advantages and widely applied perspectives. it is one of the possible resolutions for future all optical communication network, which is a hot topic in optical communication research

    光碼分多址（ opticalcodedivisionmultiplexaccess ， ocdma ） ，是將無線cdma技術與光纖通信技術相結合的一種新技術，結合了兩種通信方式的特點，具有很強的技術優勢和廣闊的應用前景，成為未來高速全光通信網路的備選方案之一，是目前光通信研究領域的熱點。
  19. 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。
  20. Coupling from ld to smf is a key technology in the field of optical communication and photoelectric instrument. almost all of optic - fiber systems involve with the coupling question

    半導體激光器到單模光纖的耦合是光纖通信、光電子器件領域的一項關鍵技術，幾乎所有的光纖系統都涉及到光纖端面耦合的問題。
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