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研究生:張儀中
論文名稱:二維旋轉子陣列之ASIC設計與實現
論文名稱(外文):ASIC design and implementation of a 2D rotational subarray
指導教授:曹建和
學位類別:碩士
校院名稱:國立臺灣大學
系所名稱:電信工程學研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2000
畢業學年度:88
語文別:中文
中文關鍵詞:超音波二維陣列特殊用途積體電路波束成形
外文關鍵詞:ultrasound2DarrayASICbeamformer
相關次數:
  • 被引用被引用:0
  • 點閱點閱:202
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  • 下載下載:17
  • 收藏至我的研究室書目清單書目收藏:0
隨著數位式以及攜帶型醫用超音波儀的商品化,一維陣列技術目前已經非常成熟,系統研究正朝著二維陣列來發展。由於二維陣列的探頭數量龐大,因此勢必簡化架構才能實現,我們以電路設計配合創新的旋轉子陣列設計,找出兼顧性能及系統簡化的解決方式。
全文針對整個積體電路實做面進行深入的討論,包含了整個旋轉子陣列系統的構想與設計,和其他架構於實做面的比較。而透過特殊控制機制設計,可以將前端控制線路簡化以降低控制電路的複雜度。透過發射和接收錯開方式設計,將高壓和低壓電路隔離可以解決高壓電路的問題,並能達到較好的效能。最後並以積體電路設計及模擬結果與來驗證旋轉子陣列架構的可行。
第一章 簡介
1.1 研究動機
1.2 二維陣列研究簡介
1.3 論文結構
第二章 陣列波束成形
2.1一維陣列波束成形系統
2.2二維陣列波束成形原理
2.3二維陣列成像技術
2.4 波束圖
2.5 二維陣列架構
2.5.1 Random array架構
2.5.2 Periodical sparse array架構
2.5.3 Ring array架構
2.5.4 Miller cross array架構
第三章 二維陣列超音波系統架構
3.1 完整二維陣列系統
3.2 簡化式完整二維陣列
3.3 Sub array波束成形架構
3.4 Sub array旋轉控制機制
3.5 Sub array 動態聚焦誤差分析
第四章 系統及電路設計
4.1 二維陣列和前端ASIC
4.2連接與封裝
4.3 匹配與高壓電路
4.4電路設計
4.4.1 製程考慮
4.4.2 放大電路設計
4.4.3 開關電路與加法器設計
4.4.4 控制電路設計
4.5系統設計
4.5.1系統雜訊處理及Layout
4.5.2測試電路及實驗設置
第五章 結論和討論
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