基于重采样技术的肌电信号动作电位传导速度估计研究

The Re-sampling Technique Application in Action Potential Conduction Velocity Estimation of Surface Electromyography

目的:本文针对表面肌电(sEMG)信号探讨动作电位传导速度(APCV)估计问题。方法:以生理学仿真sEMG信号为基础,采用基于互相关分析的时延估计技术来获取相应的APCV估计值,并利用重采样技术来提高估计的精度。结果:实验表明,针对重采样后的仿真信号,其APCV的估计误差得到了明显降低。结论:所采用方法能够有效获取满意的APCV估计效果。

Objecotive： The action potential conduction velocity （APCV） estinaation was explored in this paper. Methods： Based on a physiological model of sEMG signal, the APCV estimation result was acquired by using the time-delay estimation of cross correlation, and the re-sampling technique was utilized to improve the estimation performance. Results： The experimental results showed that the APCV estimation error could be reduced by the re-sampling technique. Conclusion： The APCV estimation performance could be satisfactorily acquired by the proposed method.