根据超声多普勒血流信号和血管壁搏动信号的统计特性,提出了一种基于主元分析的非线性滤波方法。
A nonlinear filtering method based on principle component analysis (PCA) was proposed according to the statistical characteristics of the Doppler ultrasound blood flow signal and wall thump signal.
在训练阶段,核-主元分析用来捕捉非线性的手写变化。
In the training phase, kernel principal component analysis is used to capture nonlinear handwriting variations.
对27个主方支圆间隙K型相贯节点进行了非线性有限元分析。
Nonlinear finite element analysis, including 27 gap K-joints with square and circular hollow sections, has been carried out.
在训练阶段,核-主元分析用来捕捉非线性的手写变化。
The nonlinear components of gait features are extracted based on kernel principal component analysis (KPCA).
针对规范主弦杆受拉则不考虑主弦杆轴力变化对节点承载力的影响,进行主弦杆轴力变化对节点承载力影响的非线性有限元分析,并与规范计算值比较。
The effect of the chord tension on the bearing capacity of the spatial penetrated joint were studied by FEA, the local code and the design bearing capacity criteria.
针对规范主弦杆受拉则不考虑主弦杆轴力变化对节点承载力的影响,进行主弦杆轴力变化对节点承载力影响的非线性有限元分析,并与规范计算值比较。
The effect of the chord tension on the bearing capacity of the spatial penetrated joint were studied by FEA, the local code and the design bearing capacity criteria.
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