1、Estimation of covariance matrix of downlink channel in FDD-CDMA systems
FDD-CDMA系統(tǒng)下行信道協(xié)方差矩陣的估計(jì)

2、The eigenvalue of covariance matrix can be used to separate signal from noise.
利用協(xié)方差矩陣的特征值。能實(shí)現(xiàn)信號(hào)和噪聲的分解。

3、The estimation of noise covariance matrix is based on iterative procedure in ML.
最大似然法采用了迭代的方法來估計(jì)噪聲的協(xié)方差矩。

4、DFT is used to estimate the covariance matrix of downlink channel of the path, not calculating DOA.
在不求出DOA的情況下，采用離散傅里葉變換來估計(jì)該路徑下行信道協(xié)方差矩陣。

5、How to plot contour of a covariance matrix of a gaussian distribution?
如何繪制一個(gè)高斯分布的協(xié)方差矩陣的輪廓？

covariance matrix翻譯