| 研究生: |
黃銘湖 Ming-Hu Huang |
|---|---|
| 論文名稱: |
基於FPGA架構之主動式噪音控制 |
| 指導教授: |
潘敏俊
Min-Chun Pan |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 機械工程學系 Department of Mechanical Engineering |
| 畢業學年度: | 91 |
| 語文別: | 中文 |
| 論文頁數: | 51 |
| 中文關鍵詞: | 主動式噪音控制 |
| 外文關鍵詞: | FPGA, ANC |
| 相關次數: | 點閱:7 下載:0 |
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本研究之主旨是基於實驗室在主動式噪音控制的研究基礎,欲發展一單機系統取代必須插在電腦主機上的數位信號處理器,以達到主動消音目的。研究中採取FPGA的模式發展一體積小但功能完備的主動式消音模組,取代原研究中龐大硬體架構的主動式噪音控制系統,此新發展的主動式消音模組在載入噪音控制演算法後即能獨立運作,且達到主動式噪音控制的目的。所採用的ANC演算法乃以『適應性濾波理論』為基礎的—FXLMS及FULMS架構。並以硬體描述語言VHDL撰寫演算法,減低設計的時程。且由一個參考信號、一個控制喇叭及一個誤差麥克風組成一進一出消音系統驗證以FPGA實現ANC控制系統的可行性。
略
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