optical communication channel 中文意思是什麼

optical communication channel 解釋
光通信通道
  • 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。
  • channel : n 1 水路，水道，渠，溝；海峽；河床，河底。2 （柱等的）槽，凹縫；【機械工程】槽鐵，凹形鐵。3 〈比...
  1. In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication

    根據數字通信系統幾率的特性和微擾理論，建立了受激喇曼散射對通信系統誤碼率影響的理論模型，並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制，獲得了一些對實際光通信系統設計有參考價值的結論。
  2. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。
  3. This dissertation presents the author ' s main contributions in the studies of the sea optical scatter channel by use of monte carlo simulation on the background of airborne oceanic submarine laser communication system. physical and optical properties of physical constituents in sea optical scatter channel are studied and summarized

    本文以機載海洋激光對潛通信系統為背景，分析和概括了海水光散射通道中的各物理成份的物理和光學性質，討論了海水的固有和視在光學性質。
  4. The company has been undertaking projects such as power delivery and distribution system for alternating currents of 110 kv and below, smart architecture system, channel and optical cable laying project for communication system, computer network system, and cable television network,

    公司一直從事110kv及以下送變電和配電系統工程、建築智能化系統工程及通訊系統的管道和光纜敷設工程、計算機網路系統工程、有線電視網路、機電安裝與城市道路照明等工程。
  5. The optical channel models for airborne submarine laser communication are built. the multipath time spreading of signal pulse is studied. the waveform of received signals in receiver in submarine laser communication system is analyzed and simulated

    通過蒙特卡羅方法的模擬研究，建立了機載激光對潛通信的光脈沖傳輸模型，研究了信號光脈沖的時間擴展，分析並模擬了接收面上的接收波形。
  6. This paper is mainly study of characteristics of space - to - ground atmospheric stochastic channel. it is a key part of space - to - ground optical communication systems, and it can be good reference to the design and realization of space - to - ground optical communication systems

    空-地隨機大氣通道的研究是空-地光通信系統研究的一個十分重要的部分，對空-地激光通信系統的設計和實現有較大的參考價值。
  7. The method is significant to the domestic study on current differential protection using optical fiber communication channel of subway line or short distance line

    該方法對我國自行研製地鐵線路或短線路光纖縱差保護有一定的參考意義。
  8. The paper contains all kinds of knowledge related to the system, including maxwell electromagnetic theory, pattern of optical radiation in space, channel model of atmosphere communication, computer communication protocols, wireless lan communication protocols, medium access control protocol, carrier sense multiple access / collision detection protocol, manchester coding theory, pulse position modulation coding theory and so on

    主要包括： maxwell電磁理論；發送光場模型；空間通道模型；計算機網路通信技術：無線局域網通信技術；媒體訪問控制規程（ mac ） ；載波檢測多址接入碰撞檢測規程（ csma cd ） ；曼徹斯特編碼與ppm編碼技術等。
  9. This paper concludes the result of computer simulation of data relay satellite optical communication channel, playing a part of the system research of data relay satellite optical communication, and completed the theoretic analysis, modeling and simulation

    本文給出數據中繼衛星光通信鏈路計算機模擬研究結果，作為數據中繼衛星光通信系統研究的一部分。論文完成了對數據中繼衛星光通信鏈路的理論分析、建模和模擬工作。
  10. Right now, axcen photonics corp can offer the optical transceivers including gbic, sfp single - mode and multiple - mode optical transceivers for optical data communication, telecommunication, cable tv systems. furthermore, the optical transceivers for long - distance 1000base - lhx and 1000base - zx applications are offered as well. in order to meet the needs of clients, the transmission speed of the optical transceivers ranges from 155mpbs oc - 3, 2. 488gbps oc - 48, fiber channel, gigabit ethernet, fast ethernet, 4x fiber channel, sfp copper

    創威光電整合了光機電等專業人才，從半導體雷射的封裝製程，特性量測到整體光收發器的設計與製造皆已完成開發及量產的階段，目前可提供應用於數據通信，電信通訊，有線電視系統及光纖數據迴路等用途的多款光收發器，其產品包括:單模與多模gbic ， sfp光收發器及長距離應用於1000base - lhx ， 1000base - zx等光收器，就傳輸速率而言，目前創威光電可提供從155mbps oc - 3 ， 2 . 488gbps oc - 48 ， fiber channel ， gigabit ethernet ， fast ethernet ， 4 x fiber channel ， sfp copper等不同速率產品，以迎合顧客需求，另外，本公司亦可配合客戶要求，提供客制化產品設計及製造。
  11. 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。
  12. Firstly, the characteristics of space - to - ground optical communication systems are introduced. the principle and key technologies of space - to - ground optical communication systems are also analyzed. the same time, we give emphasis to space - to - ground atmospheric stochastic channel

    本文首先介紹了空-地光通信系統的特點，在此基礎上對空-地光通信系統的原理和關鍵技術進行了分析，並著重分析了空-地大氣隨機通道的特點。
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