心电信号消噪及QRS波检测方法研究.zip_QRS detection _ECG

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/622b7b3d3d2fbb00074e58dd/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b7b3d3d2fbb00074e58dd/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">北京工业大学</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">硕士学位论文</div><div class="t m0 x2 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">心电信号消噪及QRS波检测方法研究</div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">姓名：赵文哲</div><div class="t m0 x3 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">申请学位级别：硕士</div><div class="t m0 x4 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">专业：模式识别与智能系统</div><div class="t m0 x5 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">指导教师：方滨</div><div class="t m0 x6 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">20070601</div></div><div class="pi" data-data='{"ctm":[1.851296,0.000000,0.000000,1.851296,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b7b3d3d2fbb00074e58dd/bg2.jpg"><div class="t m1 x7 h3 y9 ff2 fs1 fc0 sc0 ls0 ws0"><span class="fc1 sc0">摘要</span></div><div class="t m2 x8 h4 ya ff2 fs2 fc0 sc0 ls0 ws0"><span class="fc1 sc0">摘要</span></div><div class="t m3 x9 h5 yb ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">随着医疗水平的不断提高，人们对日常保健要求越来越高。防范疾病于未</span></div><div class="t m4 xa h5 yc ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">然的观点已经深入人心，人们迫切地希望医院中的医疗监护设备能够进入社区、</span></div><div class="t m5 xa h5 yd ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">进入家庭。</span></div><div class="t m6 xb h5 ye ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">在这种背景下，本课题针对北京市自然科学基金资助项目——远程实时心</span></div><div class="t m7 xc h5 yf ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">电监护系统中的关键技术进行了研究，包括：心电信号的去噪声算法、心电信号</span></div><div class="t m8 xd h5 y10 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">突变干扰的检测方法、心电信号的ＱＲＳ波检测方法的研究。</span></div><div class="t m6 xb h5 y5 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">对于心电信号中的持续性噪声，采用了数字滤波器的方法，满足远程实时</span></div><div class="t m9 xd h5 y11 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">心电监护系统要求，取得了比较好的去噪效果。</span></div><div class="t m3 xb h5 y12 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">对于心电信号中的突变干扰，采用了小波分析的方法对多导联心电信号中</span></div><div class="t ma xa h5 y13 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">的突变干扰进行甄别，取得了一定的检测效果。</span></div><div class="t mb xb h5 y14 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">关于心电信号ＱＲＳ波的检测，在对目前已有的各种ＱＲＳ波检测方法进行</span></div><div class="t mc xa h5 y15 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">了充分的研究之后，本文提出了一种使用关联积分进行ＱＲＳ波检测的新方法。</span></div><div class="t md xd h5 y16 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">这种方法是从混沌学的理论出发，对信号进行相空间重构，然后根据心电图中的</span></div><div class="t me xd h5 y17 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ＱＲＳ波的出现频率远远低于其它波形的出现频率这一特性来检测ＱＲＳ波。由于</span></div><div class="t md xd h5 y18 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">该方法是从概率的角度出发来进行检测，因此比其它方法具有更好的抗高频干扰</span></div><div class="t mf xd h5 y19 ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">的特性。实践证明，该方法在远程实时心电监护系统中取得了很好的检测效果，</span></div><div class="t m10 xd h5 y1a ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">检出率高达９９．１％。</span></div><div class="t m11 xe h5 y1b ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">本文提出的算法使用Ｃ＋＋语言进行编程，并与远程实时监护系统的硬件部分</span></div><div class="t m12 xf h5 y1c ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">联调成功。实践证明，该软件能够完成心电实时监护系统所需要的实时去噪、除</span></div><div class="t m13 xd h5 y1d ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">杂以及ＱＲＳ波检测功能。</span></div><div class="t m14 xf h6 y1e ff2 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">关键词：心电信号ＥＣＯ</span></div><div class="t m15 x10 h5 y1e ff2 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">小波关联积分</span></div><div class="t m16 x11 h7 y1f ff2 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">一Ⅱ一</span></div></div><div class="pi" data-data='{"ctm":[1.851296,0.000000,0.000000,1.851296,0.000000,0.000000]}'></div></div>

<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b7b3d3d2fbb00074e58dd/bg4.jpg"><div class="t m70 x47 hb y62 ff4 fs9 fc0 sc0 ls0 ws0"><span class="fc1 sc0">独创性声明</span></div><div class="t m71 xb2 h5 y63 ff4 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">本人声明所呈交的论文是我个人在导师指导下进行的研究工作及取得的研</span></div><div class="t m72 xb3 h5 y64 ff4 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">究成果。尽我所知，除了文中特别加以标注和致谢的地方外，论文中不包含其他</span></div><div class="t m73 xb4 hc y65 ff4 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">人已经发表或撰写过的研究成果，也不包含为获得ｊＥ宝王些太堂或其它教育机构</span></div><div class="t m74 xb3 h5 y66 ff4 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">的学位或证书而使用过的材料。与我一同工作的同志对本研究所做的任何贡献均</span></div><div class="t m75 x5e h5 y67 ff4 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">已在论文中作了明确的说明并表示了谢意。</span></div><div class="t m76 x69 hd y68 ff4 fsb fc0 sc0 ls0 ws0"><span class="fc1 sc0">签名：塞盘堑日期：姓。Ｊ</span></div><div class="t m77 xb5 hb y69 ff4 fs9 fc0 sc0 ls0 ws0"><span class="fc1 sc0">关于论文使用授权的说明</span></div><div class="t m78 xb6 hc y6a ff4 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">本人完全了解ｊＥ塞王些盍堂有关保留、使用学位论文的规定，即：学校有权</span></div><div class="t m72 xb7 h5 y6b ff4 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">保留送交论文的复印件，允许论文被查阅和借阅；学校可以公布论文的全部或部</span></div><div class="t m79 xb7 h5 y6c ff4 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">分内容，可以采用影印、缩印或其他复制手段保存论文。</span></div><div class="t m7a x9d h5 y6d ff4 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">（保密的论文在解密后应遵守此规定）</span></div><div class="t m7b xb8 he y6e ff4 fsc fc0 sc0 ls0 ws0"><span class="fc1 sc0">签名：毒曼哲导师签名：责瀣日期：瞳．衫．口／</span></div></div><div class="pi" data-data='{"ctm":[1.851296,0.000000,0.000000,1.851296,0.000000,0.000000]}'></div></div>

<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b7b3d3d2fbb00074e58dd/bg5.jpg"><div class="t m7c x8c h5 y9 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">第１章绪论</span></div><div class="t m0 x1e hc y6f ff5 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">１．１心电图</span></div><div class="t m7d x18 h4 y70 ff5 fs2 fc0 sc0 ls0 ws0"><span class="fc1 sc0">第１章绪论</span></div><div class="t m7e xb2 h5 y71 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">心脏机械性收缩之前，心肌先发生电激动。心肌的电激动传布全身，在身体</span></div><div class="t m7f x1e h5 y72 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">表面的不同部位产生电位。通过心电图机把不断变化的电位连续描记成的曲线，</span></div><div class="t m80 x1e h5 y2d ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">即心电图（Ｅｌｅｃｔｒｏｃａｒｄｉｏｇｒａｍ，简称ＥＣＧ）。临床心电图学【ｌ】就是把身体表面变动</span></div><div class="t m81 xb9 h5 y73 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">的电位记录下来，结合其它临床资料，给予适当解释，以辅助临床诊断的－－Ｉ＂１科</span></div><div class="t m72 x1e h5 y74 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">学。标准心电图的每一个心拍由静息期和心动期组成，静息期在心电图上呈现一</span></div><div class="t m82 x1e h5 y75 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">段平直的线，心动期由一系列波群组成，通常含有Ｐ波、ＱＲＳ复波、Ｔ波等，各</span></div><div class="t m12 x1e h5 y76 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">波群反映出不同的心脏活动信息。图１．１所示是正常心电信号。</span></div><div class="t m5 x78 h5 y77 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">障ｉ１</span></div><div class="t m83 xba ha y78 ff5 fs8 fc0 sc0 ls0 ws0"><span class="fc1 sc0">｛</span></div><div class="t m44 xbb h5 y79 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">．’ｊ喇</span></div><div class="t m6a xb5 h5 y45 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">渔蔓</span></div><div class="t m84 x49 h8 y8 ff5 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">，；</span></div><div class="t m85 x14 hc y7a ff5 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">｛ｊ孵ｊ</span></div><div class="t m65 xbc hf y7b ff5 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">～目</span></div><div class="t m86 xbd h8 y7c ff5 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">；</span></div><div class="t m87 xae h10 y7d ff5 fsd fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｖ！</span></div><div class="t m88 xbd h3 y7e ff5 fs1 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｌ</span></div><div class="t m89 x13 h5 y7f ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">“｝¨</span></div><div class="t m83 xe hc y80 ff5 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">６一｝</span></div><div class="t m8a xbe h11 y81 ff5 fse fc0 sc0 ls0 ws0"><span class="fc1 sc0">二ｊ</span></div><div class="t m8b xbf h8 y82 ff5 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">｝</span></div><div class="t m35 x12 h12 y83 ff5 fsf fc0 sc0 ls0 ws0"><span class="fc1 sc0">“｛＊</span></div><div class="t m8c xc0 h6 y6b ff5 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">‘阉</span></div><div class="t m8d x72 hc y84 ff5 fsa fc0 sc0 ls0 ws0"><span class="fc1 sc0">０</span></div><div class="t m8e x23 h13 y19 ff5 fs10 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｃ”</span></div><div class="t m1e x30 h6 y85 ff5 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">圜：</span></div><div class="t m8f xbd h14 y1a ff5 fs11 fc0 sc0 ls0 ws0"><span class="fc1 sc0">｛</span></div><div class="t m0 x67 h15 y81 ff5 fs12 fc0 sc0 ls0 ws0"><span class="fc1 sc0">八卜</span></div><div class="t m35 x8 h6 y81 ff5 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">＾</span></div><div class="t m90 x52 h16 y81 ff5 fs13 fc0 sc0 ls0 ws0"><span class="fc1 sc0">八ｉ</span></div><div class="t m91 xc1 hf y86 ff5 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">＾Ｉ</span></div><div class="t m0 xc0 h16 y81 ff5 fs13 fc0 sc0 ls0 ws0"><span class="fc1 sc0">八</span></div><div class="t m83 xbd ha y81 ff5 fs8 fc0 sc0 ls0 ws0"><span class="fc1 sc0">！</span></div><div class="t m92 xc h17 y87 ff5 fs14 fc0 sc0 ls0 ws0"><span class="fc1 sc0">㈠｛</span></div><div class="t m93 x60 h18 y88 ff5 fs15 fc0 sc0 ls0 ws0"><span class="fc1 sc0">．１</span></div><div class="t m0 xc2 hf y89 ff5 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">厂</span></div><div class="t m94 x35 hb y8a ff5 fs9 fc0 sc0 ls0 ws0"><span class="fc1 sc0">『</span></div><div class="t m95 xc3 h18 y88 ff5 fs15 fc0 sc0 ls0 ws0"><span class="fc1 sc0">旧</span></div><div class="t m0 x88 hf y52 ff5 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">厂</span></div><div class="t m96 xc4 h6 y8b ff5 fs4 fc0 sc0 ls0 ws0"><span class="fc1 sc0">藤。</span></div><div class="t m97 x8 h7 y8c ff5 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">●—时‘ｗ</span></div><div class="t m0 x35 h12 y8b ff5 fsf fc0 sc0 ls0 ws0"><span class="fc1 sc0">¨＾</span></div><div class="t m35 xc5 h12 y8c ff5 fsf fc0 sc0 ls0 ws0"><span class="fc1 sc0">１</span></div><div class="t m39 xc6 h10 y8d ff5 fsd fc0 sc0 ls0 ws0"><span class="fc1 sc0">７ｆ’</span></div><div class="t m83 xc3 ha y8e ff5 fs8 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｌ</span></div><div class="t m63 xc7 h12 y8e ff5 fsf fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｔ１</span></div><div class="t m56 xa0 ha y8e ff5 fs8 fc0 sc0 ls0 ws0"><span class="fc1 sc0">７Ｉ</span></div><div class="t m98 xc h19 y8f ff5 fs16 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｈ涮ｌ</span></div><div class="t m99 xc8 h1a y90 ff5 fs17 fc0 sc0 ls0 ws0"><span class="fc1 sc0">圃。</span></div><div class="t m9a x8c h4 y5b ff5 fs2 fc0 sc0 ls0 ws0"><span class="fc1 sc0">匝两</span></div><div class="t m9b x8f h3 y91 ff5 fs1 fc0 sc0 ls0 ws0"><span class="fc1 sc0">堕啤哩ｊ！Ｆ叫娜哪ｌ</span></div><div class="t m9c x8c h9 y8f ff5 fs7 fc0 sc0 ls0 ws0"><span class="fc1 sc0">℃：＝：：：｝</span></div><div class="t m9d x71 h1b y92 ff5 fs18 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｈ</span></div><div class="t m0 x72 h13 y93 ff5 fs10 fc0 sc0 ls0 ws0"><span class="fc1 sc0">¨</span></div><div class="t m9a xba h5 y94 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">锯黼懒</span></div><div class="t m8c xc9 h7 y5e ff5 fs5 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｉ</span></div><div class="t m9e xca ha y95 ff5 fs8 fc0 sc0 ls0 ws0"><span class="fc1 sc0">■·ｌ■庸</span></div><div class="t m83 xcb h14 y96 ff5 fs11 fc0 sc0 ls0 ws0"><span class="fc1 sc0">ｊ“。ｊ；</span></div><div class="t m0 xba h13 y97 ff5 fs10 fc0 sc0 ls0 ws0"><span class="fc1 sc0">。</span></div><div class="t m15 x50 h5 y98 ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">图１－１正常心电图</span></div><div class="t m23 x6f h8 y99 ff5 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｆｉｇｕｒｅ</span></div><div class="t m37 xcc h8 y9a ff5 fs6 fc0 sc0 ls0 ws0"><span class="fc1 sc0">１－１</span></div><div class="t m23 xcd h9 y9a ff5 fs7 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｎｏｒｍａｌ</span></div><div class="t m9f xce h3 y99 ff5 fs1 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｅｌｅｃｔｒｏｃａｒｄｉｏｇｒａｍ</span></div><div class="t ma0 xb2 h5 y9b ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">Ｐ波是发生在整个心动周期最前面的一个钝形波形，长度为０．０６～０．１１秒，</span></div><div class="t ma1 xb9 h5 y9c ff5 fs3 fc0 sc0 ls0 ws0"><span class="fc1 sc0">高度小于０．２５毫伏，Ｐ波反映左右心房的电激动过程电位随时间的变化【２ｌ。</span></div></div><div class="pi" data-data='{"ctm":[1.851296,0.000000,0.000000,1.851296,0.000000,0.000000]}'></div></div>