optical lan system 中文意思是什麼
optical lan system
解釋
光局域網路系統-
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。 -
2. applying manchester coding theory to meet the end of collision detection and codes judgment effectively. 3. using pulse position modulation ( ppm ) coding theory that is invented especially for optical communication in the air to ameliorate the system ' s performance by improving the system ' s character of pe. 4. taking good advantages of the fledged lan communication protocols and technologies to achieve a new method that has a high rate of capability to cost in building a wireless lan
論文研究中主要的創新性工作如下： 1 、提出利用光散射通信技術組建無線局域網，方便地實現了廉價而高速的局域網內微機的光互連； 2 、採用曼徹斯特編碼技術解決了光無線通信中代碼判決和碰撞檢測的技術難題； 3 、針對空氣通道的特點，利用ppm編碼技術降低通道誤碼率、改善系統性能； 4 、在光無線局域網中利用現有的成熟有線局域網協議和技術，從而保證了系統的實用性及改善了系統的性價比。 -
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。 -
Optical lan system
光區域網路系統 -
Optical code multiple access ( ocdma ) communication system is a spectral spreading system. all users in the system share all the bandwidth in the same time. because of the using of the almost infinitude bandwidth in the fiber, ocdma system will become more and more important in future ultra - high speed lan and online computer communication system
光碼分多址（ ocdma ）通信系統，作為一種擴展頻譜系統，用戶同時共享所有帶寬，因為可以充分利用光纖中的巨大帶寬資源，因此在未來超高速局域網和實時計算機通信系統中將扮演重要角色。 -
Lastly, the working theory of encoder, decoder and optical transceiver of the optical wireless lan are analyzed. the experiments about the system are done in the paper and basically realize the wireless optical lan
最後，本論文具體分析了光無線局域網系統各個組成部分，主要是光電轉換器和光收發器的工作原理，並進行了實驗製作。
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