相关矩阵

相关矩阵的特征值及特征向量的Excel算法

Calculation Ways of Proper Values and Characteristic Vectors of Correlation Matrix by Excel

极大似然估计，最大熵谱估计和自相关矩阵的特征分解法空间谱估计计算量较大。MUSIC法以其空间谱分辨率高和运算量小而在空间谱估计中得到运用。

MLE , MEP and correlation matrix spectral decomposed method have shortcoming in cumbersome computation . MUSIC is widely used for it having the high resolution ability and low computation .

讨论了一种基于正弦信号扩阶互相关矩阵的MUSIC算法及其在非高斯有色噪声下的性能。

Extended-order cross-correlation matrix based MUSIC method and its performance in non-Gaussian and color noise are discussed .

平稳序列的自相关矩阵R（n）是非负定的。

The autocovariance matrix R ( n ) of a stationary sequence is nonnegative definite .

海洋渔业SST数据时空相关矩阵研究

Research on Spatiotemporal Correlative Matrix of SST Data of Ocean Fishery

改进相关矩阵估计的LMS牛顿算法分析与仿真

Analysis and Simulation of LMS Newton Algorithm Using Improved Estimate of Autocorrelation Matrix

在土壤元素相关矩阵中具有极显著意义（P0.01）的元素对达95.4%。

95.4 % of pair of element were significant correlation at 0.01 level in matrix of soil elements .

LMS算法自相关矩阵特征值表达式的计算分析

Analyzing on the Calculation of the Eigenvalue Expressions of the Autocorrelation Matrix in LMS Algorithm

根据均匀线阵输出的共轭循环相关矩阵具有很大的冗余特性，提出了基于最小冗余线阵的谱相关共轭循环MUSIC算法。

According to more redundancy characteristics of the conjugate cyclic correlation matrix of uniform linear array output , spectral correlation conjugate cyclic MUSIC algorithm based on minimum-redundancy linear arrays is presented .

分析结果表明，MIMO系统信道容量主要由衰落相关矩阵的特征值决定。

Analysis shows that the channel capacity of a MIMO system is mainly determined by eigenvalues of the fading correlated matrix .

算法首先根据ScreenedRatio原理构造阵列信号的相关矩阵，然后利用MUSIC算法实现DOA估计。

The algorithm uses firstly screened ratio principle to construct the correlation matrix of the array data and then implements the DOA estimation by MUSIC algorithm .

同时，基于时变幅度Chirp信号的空间演化谱，提出了一种新的空间极化时频分布，用此空间极化时频矩阵代替自相关矩阵估计信号子空间和噪声子空间。

A new spatial polarimetric t-f ( SPTF ) distribution was presented based evolutionary periodogram of chirp signals of time-varying amplitude .

但LMS算法对输入信号的自相关矩阵具有很强的依赖性，因而自适应率不高。

Due to the fact that LMS algorithm highly dependents on the autocorrelation matrix , the algorithm has low adaptive ratio .

通过对相关矩阵进行特征值分解，估计信号子空间和噪声子空间，并利用MUSIC算法估计宽带LFM信号的波达方向。

Through estimating the signal and noise subspaces with the eigen-decomposition of the correlation matrix , the MUSIC algorithm is used to estimate the DOAs of LFM sources .

然而，传统的基于K-L变换的PCA方法需要进行数据自相关矩阵的特征值和特征矢量的计算，但这种大量的矩阵运算给编程带来了一定的难度，增加了算法的复杂性。

However , the traditional PCA method requires the computation of covariance matrix and feature vectors of a stochastic vector process , which brings complexity for programming .

然而对于均匀线列阵这一特殊阵型，其阵列输出自相关矩阵的具有Toeplitz结构。

For a uniform linear array . the structure of correlation matrix of array output is Hermitian and Toeplitz .

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；

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 ;

本文介绍了将接收数据共轭重排的再利用，构造相关矩阵的修正ESPRIT算法。

This paper gives a modified ESPRIT algorithm that is based on the correlation matrix constructed by reusing the conjugate data being rearranged .

然后主要针对双极化天线配置的MIMO信道相关性进行建模，分别给出了空间相关矩阵、极化相关矩阵和空间极化相结合的相关矩阵形式。

Then , it mainly focuses on the correlation modeling of MIMO channel , which includes the spatial correlation matrix , the polarized correlation matrix and the joint spatial and polarized correlation matrix .

分析了用协方差矩阵和自相关矩阵得出的PCA表达是不同的，但是两者的误差是相同的。

We analyses the different result of PCA by using autocorrelation matrix and covariance matrix , and point out that the express of PCA is different but the error are the same .

该方法基于传播算子思想，直接利用阵列接收信号估计噪声相关矩阵，得到一种快速TCT聚焦矩阵。

Based on the propagator method , noise correlation matrix is constructed by array signals and a fast TCT focusing matrix is developed .

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。

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 .

极化干涉SAR技术利用全极化数据，通过相关矩阵特征分解等技术可以明显提高地表参数反演精度，从而为高精度数字高程信息的提取提供了可能。

Through multi-polarimetric SAR data and the correlation matrix eigen-decomposition technique , polarization interference technique can significantly improve the accuracy of the surface parameters inversion , so it provides the possibility for the extraction of high-precision digital elevation information .

将相关矩阵多次幂技术与MOE（最小输出能量）盲自适应空时多用户检测相结合提出了一种新的空时多用户检测算法。

A novel space-time multi-user detection algorithm was proposed , which combined a power of covariance matrix R technique with MOE blind adaptive space-time multi-user detection .

当存在窄带干扰时，只需要一个NBI自相关矩阵的近似矩阵，该算法就能达到令人满意的效果。

Blind identification can be performed satisfactorily also in the presence of NBI , requiring only an approximate rank determination of the NBI autocorrelation matrix .

分析了多径分量功率和多径分量的自相关矩阵之间的关系，使MDL可有效地应用于RDS估计。

The analytic relationship between the powers and the correlation matrix of multipath components establishes the feasibility of the application of the MDL criterion to RDS estimation .

研究均匀线阵（ULA）波束形成时作者发现，当操纵线阵指向方位不断变化，相关矩阵的最大特征值也随着有规律地变化着。

Studying the beamforming , we discover that the highest eigenvalue of the correlation matrix changes with beam steering of uniform linear array .

文中对HF自适应三元阵列零位天线系统提出了一种单通道检测接收机方案，并分析了实现的可行性，给出了具体的实现方法，同时讨论了相关矩阵的算法。

This paper proposes a single channel detection receiver scheme for the HF adaptive three-array nulling antenna system and analyzes the feasibility of and the methods for its implementation . Also discussed is the algorithm for the correlation matrix .

在训练阶段，采用基于DFT的估计器估计出信道状态信息，并且采用所提出的算法估计出噪声方差和信道响应的互相关矩阵。

During the training mode , the channel state information ( CSI ) is obtained by a discrete-Fourier-transform-based channel estimator and the noise variance and covariance matrix of the channel response is estimated by the proposed method .

在研究线性滤波LMS算法的收敛条件及推导其稳态相对误差的上下限算式时，都用到自相关矩阵的特征值的表达式。二类复特征值表达式的适用性研究

Several eigenvalue expressions are encountered in studying the convergence condition and the lower and upper limit formula of the LMS algorithm which is used in the adaptive filter design . RESEARCHES ON TWO EXPRESSIONS ABOUT COMPLEX EIGENVALUE