| 表面肌电信号采集与降噪处理 |
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| 引用本文： | 付聪李强李博. 表面肌电信号采集与降噪处理[J]. 现代生物医学进展, 2011, 11(20): 3951-3953 |
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| 作者姓名： | 付聪李强李博 |
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| 作者单位： | 西南科技大学信息工程学院四川 绵阳621010 |
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| 基金项目： | 西南科技大学博士研究基金资助项目 |
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| 摘 要： | 目的:本文以设计的表面肌电(sEMG)信号采集系统为基础,探讨sEMG信号中的降噪处理问题。方法:结合sEMG信号的噪声影响情况,首先利用带通滤波器消除肌电信号频带外噪声,再通过频谱插值法来抑制工频干扰分量,最后使用小波分析方法来削弱肌电信号频带内噪声。结果:通过对检测sEMG信号的降噪处理,信号噪声得到明显抑制。结论:所设计采集系统能够获得满意的sEMG信号检测效果,所采用降噪方法能够有效提高sEMG信号的质量。
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| 关 键 词： | 表面肌电信号 采集 降噪 |
Detection and Noise Reduction of Surface Electromyography Signal |
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| FU Cong,LI Qiang,LI Bo. Detection and Noise Reduction of Surface Electromyography Signal[J]. Progress in Modern Biomedicine, 2011, 11(20): 3951-3953 |
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| Authors: | FU Cong LI Qiang LI Bo |
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| Affiliation: | FU Cong,LI Qiang,LI Bo(School of Information Engineering,Southwest University of Science and Technology,621010,Mianyang,China) |
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| Abstract: | Objective:The noise reduction of surface electromyography(sEMG) signal was explored using the designed signal detection system.Methods:According to the noise influence,the band-pass filter was used to eliminate the low and high frequency noise,and the spectrum interpolation method was utilized to reduce the power line interference,then,the wavelet analysis algorithm was applied to attenuate the residual noise.Results:The noise interfere in the detected sEMG signal could be suppressed.Conclusion:The sEMG sig... |
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| Keywords: | Surface electromyography Detection Noise reduction |
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