The results show that EMG data is non-noisy and has determinate nonlinearity.This paper provides an objective basis for the further analysis of chaos dynamic feature of the surface EMG signal.

• 研究表明，EMG信号是非噪声的确定性信号，并具有确定性的非线性特性，为进一步分析其混沌动力学特性提供了客观依据。