基于这个变量体系,我们运用主元因素分析法编制了一个可反映上市公司治理水平的综合指标——G指标。
Applying the principal component analysis method (PCA) to these variables, we compile a single composite index (G-Index) to rank Chinese listed firms' corporate governance levels.
本文提出了一种选主元迭代法。对一类发散的线性系统讨论了其收敛性,并举例说明之。
In this paper, We developed a select main element iterative method. For a class linear system of divergence discussed convergence, and illustrate by examples.
文中提出用高斯列主元消去法与最优化方法相结合的技术求解模拟电荷方程组,是提高精度和保证收敛的一种有效算法。
The combined method of gnass elimination and optimization is used to solve the equation of charge-simulation, and it is an effective method for increasing the accuracy and assuring the convergence.
本文提出了一种基于主元分析法(PCA)的多模板字符识别算法。
This paper presented a new multi-template character recognition method based on principal component analysis(PCA).
根据主闸阀结构特点,分别用有限元法和椭圆柱板壳理论公式计算了阀体的强度与刚度,并进行了分析对比,同时对闸板的刚度进行了校核。
According to the structural feature of parallel single disk gate valve, the strength and rigidity of body will be calculated with finite element method, and with cylindroid shell theory.
采取了二维有限元法模拟核磁共振成像(MRI)装置的主磁场。
The main magnetic field of Magnetic Resonace Imaging( MRI)device is simulated by using the finite element method.
为此,提出了基于主元分析法和FRF的井架损伤识别方法。
Therefore, the derrick damage identification method based on principal component analysis and FRF is put forward.
本文提出了一种选主元迭代法。
In this paper, We developed a select main element iterative method.
论文重点研究了完善绩效管理体系的办法,明确考核的定位、建立了主基二元法考核模型。
This article places its emphasis on the ways to improve the performance management system, and make clear the orientation of assessment and build up the assess model by major-basic two elements study.
利用主元分析法,可以在保留原有数据信息特征的基础上,消除变量关联和部分系统干扰,简化分析的复杂程度。
It can eliminate the correlation between variables and disturbance of system and can simplify complicated degree by PCA when reserving enough features of original data information.
试验证明,采用主元分析法进行识别能获取较高的识别率,该识别率可以在85%以上。
We have used sample images to test the face recognition application based the methods above, and the recognition rate is above 85%.
结果表明:采用二元比例法分析铬铁和镍铁样品中的合金元素与主元素铁的含量是可行的。
The result shows that it is feasible to use the dual ratio technique to analyze the contents of alloy elements and of the main element Fe in ferrochromium and Ferronickel samples.
多元统计过程介绍了三种主要的方法:主元分析法、偏最小二乘法和核函数概率密度估计法。
About multivariate statistical process, three methods are introduced: Principal Component Analysis, Partial Least Squares, Kernel Density Estimation.
主成分分析法可以提取样本集的主元,从而降低样本的维数,甚至可以实现样本的最优压缩。
Principal component analysis method can reduce dimensions of samples and even produce optimal compression of samples.
主成分分析法可以提取样本集的主元,从而降低样本的维数,甚至可以实现样本的最优压缩。
Principal component analysis method can reduce dimensions of samples and even produce optimal compression of samples.
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