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研究生： 涂堂焄
Tang To
論文名稱： 電子斑點圖形干涉儀振動量測之邊緣增強電路
指導教授： 王迺愨
Na-Ture Wang
口試委員:
學位類別： 碩士
Master
系所名稱： 理學院 - 光電科學與工程學系
Department of Optics and Photonics
畢業學年度： 89
語文別： 中文
論文頁數： 64
中文關鍵詞： 電子斑點圖形干涉儀振動量測
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    • 由於散斑效應的影響及CCD攝影機的解析度的限制，使得條紋結果較不清晰。在散斑圖形中條紋是主要信號，除了條紋之外的斑點都是雜訊，要想條紋清晰，訊雜比要高。利用影像處理技術中邊緣增強化(edge enhancement)，消除斑點及 提高訊號雜訊比，增加條紋的解析度。

    一、引言……………………………………………………..1 二、原理……………………………………………………11 1、傳統ESPI光路……………………………………11 2、成像透鏡組設計…………………………………..18 3、光闌及電子濾波器設計…………………………..21 4、全像去靈敏(desensitized)光路……………………28 三、實驗……………………………………………………34 1、實驗的假設條件………………………………….34 2、系統設計受限條件……………………………….34 3、光路架設………………………………………….35 4、光路系統架設時應注意事項…………………….38 5、光學成像系統設計……………………………….38 6、光闌及電子濾波的範圍設計…………………….40 7、量測結果…………………………………………..43 四、結論……………………………………………………47 參考文獻……………………………………………………48 附錄一：CCD電子攝影機的特性….………………………51 附錄二：A/D轉換器與相減器.……………………………55 附錄三：影像處理及邊緣增強化…………………………56

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