The performance of the FECG extraction method was evaluated and the signal-to-noise (SNR) of the extracted FECG was estimated using eigenvalue analysis and cross-correlation.
引入基于特征值分析计算信噪比和基于互相关系数计算信噪比的方法,以评估胎儿心电信号提取方法的性能。
参考来源 - 胎儿心电信号提取研究Complex eigenvalue analysis was then used to predict the instable modes and their brake squeal propensity.
在非线性分析的基础上利用复特征值分析方法对制动器的不稳定模态进行预测,从而得到制动器的制动尖叫倾向性。
参考来源 - 汽车盘式制动器尖叫倾向性分析与设计改进·2,447,543篇论文数据，部分数据来源于NoteExpress
方法矩阵变换与矩阵特征值分析方法。
Methods The matrix transformation method and matrix eigenvalue analysis method.
通过特征值分析可得该组合表达式的最优系数。
Based on eigenvalue analysis, the optimal coefficients in the combined expression are obtained.
传统的应用于双视图三维复原的八点算法使用标准特征值分析（EVD）算法。
The traditional eight-point algorithm applied to two-view 3D reconstruction utilizes the standard Eigen Value Decomposition (EVD) algorithm.
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