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研究生：	張智遠 Chang, Chin-Yuan
論文名稱：	心、肺音分離之電子聽診系統設計及其在個人保健上之運用 DESIGN OF AN INGENIOUS ELECTRONIC STETHOSCOPE SYSTEM FOR SEPARTING HEART AND LUNG SOUNDS AND ITS APPLICATION IN PERSONAL HEALTH CARE
指導教授：	楊明興 Young, Ming-Shing
學位類別：	碩士 Master
系所名稱：	電機資訊學院 - 電機工程學系 Department of Electrical Engineering
論文出版年：	2004
畢業學年度：	92
語文別：	中文
論文頁數：	93
中文關鍵詞：	電子聽診器、濾波器、肺音、心音
外文關鍵詞：	electronic stethoscope, filters, lung sounds, heart sounds
相關次數：	點閱：148 下載：3
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　　由於工商社會的發達，人們長時間處於忙碌工作狀態下，而忽略了個人健康情形，並導致了一些症狀的產生。如心血管系統、呼吸系統的疾病，使工作效率降低，生活品質下降，及龐大醫療資源的耗費；而個人健康保健則是可以事先預防評估及瞭解個人的健康狀況。雖然治療也很重要，但如有預防重於治療的個人保健觀念，人人就會活得健康，家庭就會更幸福、美滿。
　　本研究的目的在設計心、肺音分離擷取裝置之聽診器,以分離體內各器官所發出的訊號及降低前端儀器之雜訊, 並將分離後的心、肺音兩種生理訊號在電腦PC上記錄且做各生理參數相互間的分析，而軟體是以VB工具撰寫而成的，以完成心、肺系統之虛擬醫學儀器之環境整合。

　　People nowadays are so busy that they usually neglect their health. This condition usually results in people’s symptom of illness such as disease in cardiovascular system and disease in respiratory system. Those diseases make people reduce their efficiency, lower their life quality. Those diseases also waste huge medical resources. Personal care can estimate their health condition. Consequently people will be healthy and it also provides psychological well-being.
　　In this study, we design an electronic stethoscope system which can separate heart and lung sounds, so that the interference from the heart and lung sounds to each other will be minimized. The separated heart and lung sounds can be recorded and analyzed in a computer. The software was written in VB language to record and analyze the data.

第一章  緒論․․․․․․․․․․․․․․․․․․01
1-1     前言․․․․․․․․․․․․․․․․․․01
1-1-1   心臟病的種類․․․․․․․․․․․․․․01
1-1-2   肺臟系統疾病․․․․․․․․․․․․․․02
1-2     研究動機與目的․․․․․․․․․․․․․04
第二章  系統設計․․․․․․․․․․․․․․․․08
2-1     心肺音分離系統應用在個人保健預防上簡介․08
2-2     硬體系統設計․․․․․․․․․․․․․․12
2-2-1　 EM78569單晶片聲音資料收集控制 ․․․․․13
2-2-2   前置放大與電壓隨耦器․․․․․․․․․․14
2-2-3   濾波器․․․․․․․․․․․․․․․․․15
2-2-4   類比開關頻段選擇電路․․․․․․․․․․21
2-2-5   增益調整電路․․․․․․․․․․․․․․22
2-3     軟體系統設․․․․․․․․․․․․․․․24
2-3-1   78569軟體流程 ․․․․․․․․․․․․․24
2-3-2   VB軟體流程․․․․․․․․․․․․․․․26
2-3-3   操作者介面-病患及錄音資料建立 ․․․․․27
2-3-4 　心、肺音擷取的功能介紹․․․․․․․․․30
2-3-5   時間域聲音的波形訊號分析與診斷準則․․․33
2-3-6   快速傅利葉fft分析與診斷準則 ․․․․․․37
第三章  系統測試․․․․․․․․․․․․․․․․39
3-1　　 心、肺音分離系統之裝置測試․․․․․․․39
3-1-1   心音訊號測試  ․․․․․․․․․․․․․39
3-1-2   肺音訊號測․․․․․․․․․․․․․․․40
3-1-3   心、肺音訊號測․․․․․․․․․․․․․42
3-2     A/D與D/A類比-數位的轉換世界 ․․․․․․44
3-3     軟體測試與系統實驗․․․․․․․․․․․46
3-3-1   心臟收縮期雜音患者․․․․․․․․․․․46
3-3-2   心臟舒張雜音患者․․․․․․․․․․․․47
3-3-3   支氣管哮喘患者․․․․․․․․․․․․․49
第四章  問題與討論․․․․․․․․․․․․․․․51
4-1     系統改進與分析․․․․․․․․․․․․․51
4-2     系統設計之貢獻․․․․․․․․․․․․․53
第五章  結論與未來展論․․․․․․․․․․․․․57
5-1     系統成果․․․․․․․․․․․․․․․․57
5-2     未來展望  ․․․․․․․․․․․․․․․57
參考文獻․․․․․․․․․․․․․․․․․․․․60
附錄A可分離心、肺音之電子聽診系統評估表 ․․․․63
附錄B心肺音分離之電子聽診系統裝置圖 ․․․․․․65
附錄C EM78569微控制器程式 ․․․․․․․․․․․67
附錄D評估端Visual Basic程式 ․․․․․․․․․․80
自述․․․․․․․․․․․․․․․․․․․․․․93
                                    

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2007-06-16公開

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