TY - JOUR A2 - Chen, Miaochao AU - Chai, Min AU - Ba, Lei PY - 2021 DA - 2021/09/14 TI - Application of EEG Signal Recognition Method Based on Duffing Equation in Psychological Stress Analysis SP - 1454547 VL - 2021 AB - Based on the study of the feature extraction algorithm based on the multiple empirical mode decomposition of the Duffing equation, this paper proposes a corresponding improved algorithm, completes the identification and analysis of the psychological pressure dimension space under the audiovisual induction method, and designs two typical psychological types of music and pictures.基于压力感应实验,搭建了基于EEG(电子脑图)信号的声波诱导心理压力识别系统面向问题,空间统一采样法无法很好地反映多变EEG信号的动态特征,基于Duffing方程,建议非异式采样算法自适应选择投影方向当前使用Duffing方程检测微信号即选择一组固定参数分析这两个方面以确定系统参数基础是Duffing方程振荡器参数分析因Duffing方程对初始值敏感度,参数选择对检测效果有极大影响响应这种情况,分析参数和初始值关系Duffing方程从参数和初始值之间的关系分析不同参数对检测效果的影响以验证当前方程参数的优性第一,多通道EEG信号非一致性采样多经验模式分解,并选择有效固有模式函数提取心理压力EEG特征实验结果显示EEG信号识别算法基于Duffing方程有效提取EEG信号特征并提高心理压力EEG信号分类精度SN-1687-9120UR-https://doi.org/101155/2021144547DO-101155/2021144547JF-数学物理PB-HindawiKW-ER-