it is suitable to use correlation matrix in pca.

1、

the correlation matrix svd approximation method with the noise-compensation

相关阵SVD逼近处理加噪声补偿谱估计技术

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2、

study on transmission line wide-area backup protection based on correlation matrix

基于关联矩阵的输电线路广域后备保护研究

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3、

objective to construct the gene network by fuzzy correlation matrix.

目的讨论利用模糊相关系数建立基因调控网络。

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4、

correlation matrix is also important for other applications.

计算相关性矩阵对于其他的应用也很重要。

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5、

scale analysis of global temperature based on correlation matrix theory

基于矩阵理论的全球温度资料的尺度性研究

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6、

the algorithm of correlation matrix using the sample datum directly is given.

给出了直接利用采样数据计算相关矩阵的算法。

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7、

document representation based on words correlation matrix is presented in this paper.

提出了一种基于词语相关矩阵的文本表示方法。

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8、

firstly, the wideband signals are focused on the instantaneous frequency respectively with symmetric antenna and bi-linear transformation. secondly, the correlation matrices are constructed on the signals' instantaneous frequency. with music spatial spectrum, the doas will be obtained at last.

该算法利用对称阵子和双线性变换可将多个宽带信号聚焦至各自的瞬时频率，再通过傅立叶变换，在信号各自的瞬时频率上构造相关矩阵，由此构造MUSIC空间谱可获得信号的DOA。

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9、

on the other hand, for harmonic retrieval, we define a novel efficient cost function based on the structural information of a set of correlation matrices, and apply the multistage algorithm to find all the frequency components.

对于谐波恢复问题，基于一组相关矩阵的结构化信息，定义了一个有效的代价函数，利用该算法可以得到全部频率分量。

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10、

the underlying rotational invariance among signal subspace induced by an array of sensors with a displacement invariance structure is exploited, a set of spatio-temporal correlation matrices possessing diagonal structures are introduced.

利用平移不变阵列信号子空间的旋转不变性，构造一组具有对角结构的空时相关矩阵。

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11、

the approach exploits the structural information of a set of spatiotemporal correlation matrices, and gives a robust and precise estimation of signal subspace to obtain a precise estimation of doa.

该算法利用一组空时相关矩阵的结构化信息，能稳健而精确地估计出信号子空间，从而得到DOA的精确估计。

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12、

a contrast function has been built using orthogonalization time-delayed correlation matrices in time domain. the separation algorithm has been obtained by minimizing it with the frobenius norm.

在时域，运用同时正交化多延时相关矩阵建立对比函数，用Frobenius范数最小化对比函数得分离算法。

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13、

the more precisely we estimate the noise correlation matrices, the more accurate hidden system states we will obtain, which guarantees the precision of the system parameter estimation.

因为我们对噪声的统计估计的越准确，我们所得到的系统状态的估计也就越准确，这样才能保证正确的系统参数的估计。

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14、

the second method is based on unitary spatio-temporal correlation matrices with the aim to improve the performance of music algorithm in the correlated noise fields;

针对传统DOA估计算法在相干噪声场中估计性能下降的问题，提出了利用空时相关矩阵酉变换的UST-MUSIC算法进行改进；

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15、

the program-control-related noise generator notes on nonnegative correlation matrices

程控相关噪声发生器的研究相关矩阵的积和式与特征值

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16、

doa estimation based on symbol-rate correlation matrices in asynchronous ds-cdma systems

异步DS-CDMA系统中基于符号级相关阵的DOA估计

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17、

application of two-sided correlation matrices transformation to estimation of direction of arrival of underwater sound source

双边相关变换在估计水下噪声源波达方向中的应用

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18、

high-resolution direction finding based on joint block-diagonalization of spatio-temporal correlation matrices

基于空时相关阵联合对角化的高分辨方位估计

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19、

optimum wavelet filter bank design for the efficient sparse structure of correlation matrices

矩阵稀疏化中的最优子波滤波器组设计

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20、

if signals are supposed to be normally distributed, then by computing determinants of correlation matrices, conditional information of each channel signal can be obtained.

假设信号是近似正态分布的，就可以从相关矩阵的行列式计算出每个波段的条件信息量。

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