In some cases, measured cross-spectral matrices (CSM's) from a microphone array will be contaminated by severe incoherent noise signals in the individual channels. A typical example is flow noise when measuring in a wind tunnel. Assuming stationary signals and performing long-time averaging,the ...
The object of this thesis is to recover the missing elements of the spectral matrix in the case that the acoustical field is highly coherent so as to ... L Yu,Jerome Antoni,Q. Leclère 被引量: 3发表: 2015年 加载更多来源期刊 Inter Noise & Noise Con Congress & Conference Proceedings ...
In microphone array techniques the cross spectral matrix is used to localize acoustic sources. In this paper Daniell's method is revisited to average the cross spectral matrix of the sensor signals in the frequency domain. It is shown that this method leads to similar results as an averaging ...
The least‐squares expansion of a rank‐N cross‐spectral matrix obtained from a vertical array of Nhydrophones in terms of M (M≤N) dyads of eigenvectors of its larger eigenvalues plus a diagonal uncorrelated noise matrix was investigated. For M propagating modes the expansion allows the stripp...
After the multi-dimensional cross spectrum matrix introducing on the basis of classical time series cross spectrum, we analyzed the eigenvalue and characteristic vectors of cross spectrum matrix on a interested frequency range. 在经典时间序列的交叉谱分析基础上 ,建立多维交叉谱矩阵,对某一感兴趣的频率...
3) power spectral density matrix 功率谱密度矩阵 1. Using Schur decomposition method, the power spectral density matrix can be expressed by a series of eigenvalues and eigenvectors. POD法提供了一种高效、准确的风荷载模拟方法,通过对风场的功率谱密度矩阵进行Schur分解,得到一系列的特征值和特征向量,...
Cross-Spectral Density Matrix Cross-Spectral Metric Cross-springer Cross-Stack Rapid Transition Cross-staff Cross-staff Cross-State Air Pollution Rule cross-stitch Cross-Stitch Embroidery cross-stitched cross-stitches cross-stitching Cross-stone
cross spectral density 互谱密度,交叉谱密度,正交谱线密度 cross spectral purity 交叉光谱纯度 spectral density 谱密度,谱线密度,波谱能量分布 error spectral density 误差谱密度 normalized spectral density 标准化谱密度 spectral density matrix 谱密度矩阵 cumulative spectral density 累积光谱密度 reactivi...
2) resolution of power spcetral matrix 功率谱矩阵分解3) power spectral density matrix 功率谱密度矩阵 1. Using Schur decomposition method, the power spectral density matrix can be expressed by a series of eigenvalues and eigenvectors. POD法提供了一种高效、准确的风荷载模拟方法,通过对风场的功率...
1) cross-spectral density 互谱密度1. Spectral density and cross-spectral density and bi-cross-spectral density are also de. 在此基础上进行了谱分析 ,得到了该模型的谱密度、互谱密度和双互谱密度。2) cross spectral density 互谱密度 1. The authors compute auto covariance, cross covariance and...