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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/68031


    Title: 以類比式回饋有源控制系統降低低頻噪音之研究
    Other Titles: The Optimal Flow Diversion and Instream Flow Release for Chi-Chi Diversion Weir
    Authors: 劉嘉俊;盧博堅;陳俊成
    Contributors: 淡江大學水資源及環境工程學系
    Keywords: 類比式回饋有源隔音牆;新增插入損失
    Date: 2007-06-16
    Issue Date: 2011-10-23 09:38:05 (UTC+8)
    Abstract: 利用有源控制系統提高隔音牆的低頻降低噪音效果是可行的,在前人的基礎上,利用便於實現的類比式回饋有源控制系統,放置在隔音牆的頂部,形成類比式回饋有源軟邊界隔音牆,提高隔音牆的低頻降低噪音效果。通過初步的實驗研究,從實驗上驗證了這種方法的可行性,並得到有源控制系統排列放置方式的初步結論:(1)控制聲源單列放置時,排列放置的密度決定控制效果,排列放置密度越大得到的控制效果越好;(2)相同的排列放置密度時,採用雙列排列放置可以得到比單列排列放置更好的控制效果;(3)控制源數目相同時,單列排列放置的效果比雙列排列放置的效果好。
    Relation: 中華民國振動與噪音工程學會九十六年年會暨第十五屆學術研討會論文集,3頁
    Appears in Collections:[Graduate Institute & Department of Water Resources and Environmental Engineering] Proceeding

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