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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/44539


    Title: 光訊號雜訊比的監控裝置與方法
    Other Titles: Monitoring apparatus and method of optical signal-to-noise ratio
    Authors: 李三良;楊淳良;龔佩敏;徐達儒;楊明曉;周雲龍
    Contributors: 淡江大學電機工程學系
    Date: 2006-02-11
    Issue Date: 2010-03-26 16:16:25 (UTC+8)
    Abstract: 一種光訊號雜訊比的監控裝置與方法,可應用在緊密分波多工光傳輸系統上。本裝置包含一光循環器、一可調式光濾波器、一調制訊號、一調制反射器與二個檢光二極體。本發明利用調制反射器的調制與反射功能,讓光訊號通過光濾波器一次,光雜訊通過光濾波器二次。當可調式光濾波器對整個頻譜進行掃描濾波時,可同時分別由二個檢光二極體偵測出光訊號與光雜訊的光功率值,再據以算出每一光通道的光訊號雜訊比值。本發明之整個模組可複合積體化在一片晶片上,且在與一波長鑑別器結合為一光通道分析儀之後,更能監控光通道位置、波長漂移量及光訊號雜訊比值等參數。
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Patent

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