| 胎儿心电提取自适应滤波器仿真对比研究 |
| |
| 引用本文： | 徐欣,马千里,朱旭.胎儿心电提取自适应滤波器仿真对比研究[J].南京理工大学学报(自然科学版),2011,35(6). |
| |
| 作者姓名： | 徐欣 马千里 朱旭 |
| |
| 作者单位： | 南京邮电大学地理与生物信息学院,江苏南京,210046 |
| |
| 基金项目： | 中国博士后科学基金面上项目(2011M500896); 南京邮电大学青蓝基金(NY210047); 东南大学生物电子学国家重点实验室开放研究基金,东南大学MEMS教育部重点实验室开放研究基金 |
| |
| 摘 要： | 为了提高胎儿心电(FECG)提取的准确性和效率,研究了采用最小均方算法、递归最小二乘(RLS)算法、仿射投影算法、能量归一化最小均方算法的四种自适应滤波器应用于FECG提取的速度和准确性.根据设计的基于MATLAB的FECG提取算法仿真分析了四种自适应滤波器的收敛速度与稳态性能的影响因素,并通过调整和优化FECG提取参数对四种自适应滤波器进行了仿真对比.研究结果表明,RLS算法自适应滤波器性能最优,可以快速准确地从母体心电中分离出FECG.
|
| 关 键 词： | 胎儿心电 自适应滤波器 最小均方算法 递归最小二乘算法 仿射投影算法 能量归一化最小均方算法 母体心电 |
Comparative Study on Adaptive Filters for Fetal Electrocardiogram Extraction |
| |
| XU Xin
,
MA Qian-li
,
ZHU Xu.Comparative Study on Adaptive Filters for Fetal Electrocardiogram Extraction[J].Journal of Nanjing University of Science and Technology(Nature Science),2011,35(6). |
| |
| Authors: | XU Xin MA Qian-li ZHU Xu |
| |
| Institution: | XU Xin,MA Qian-li,ZHU Xu(College of Geography and Biological Information,Nanjing University of Posts and Telecommunications,Nanjing 210046,China) |
| |
| Abstract: | In order to improve the accuracy and efficiency of fetal electrocardiogram(FECG)extraction,the speed and accuracy of four kinds of adaptive filters using least mean square algorithm,recursive least squares(RLS)algorithm,affine projection algorithm and energy normalized least mean square algorithm respectively for FECG extraction are studied.The influencing factors of the convergence rates and steady-state performances of the four kinds of adaptive filters are simulated and analyzed according to the FECG exa... |
| |
| Keywords: | fetal electrocardiogram adaptive filter least mean square algorithm recursive least squares algorithm affine projection algorithm energy normalized least mean square algorithm maternal electrocardiogram |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
