查询词典 covariance matrix

In chapter 6, we discuss the adaptive beamforming method when the covariance matrix with desired signal present.

第六章探讨了协方差矩阵中含有信号时自适应波束形成方法。

There are three traditional methods of estimating VaR: Covariance matrix, History simulation and Monte Carlo simulation.

估计VaR的传统方法有三种：协方差矩阵法、历史模拟法和蒙特仁洛模拟法。

However, measurement noises from different sensors are generally correlated with covariance matrix which is difficult to be determined accurately.

但各传感器测量噪声会出现相关的情况，而且很难得到相关测量噪声的方差矩阵的精确值，测量系统往往是不确定的。

Furthermore, several meaningful criteria are introduced to assess the forecasting performance in conditional covariance matrix.

而且，介绍几个有意义的准则去评估条件共变异矩阵的预测绩效。

It points out the limitation in dead-reckoning and gives out the state covariance matrix.

研究了由里程计进行航迹推算的局限性，给出机器人位姿误差协方差矩阵的更新方程。

Realized covariance matrix is a new measurement of the volatility and correlation of portfolio.

"已实现"协方差矩阵是对投资组合波动性及相关性的一种全新的度量方法。

Here we estimate and tune the background error covariance matrix which adapts to China region.

实际研究表明，背景场误差协方差在全球不同的区域，方差和特征长度各不相同。

In this paper, by using the special structure of the covariance matrix, a fast high resolution method based on QR decomposition is presented.

利用阵列输出协方差矩阵的特殊结构，本文提出一种基于QR分解的高分辨谱估计方法及其改进形式。

The new method does not require the formation of the covariance matrix and its eigendecomposition.

不仅使得智能天线的结构尺寸减小了30%，通过多级嵌套维纳滤波器前向递推的方法，子空间的分解和维数确定可同时进行，不需要估计接收信号的协方差矩阵和对其作特征值分解，运算量可以明显降低，收敛速度快。

In order to solve the problem how to construct covariance matrix that used prescient information of measurement data in least-square-method,a cellular localization algorithm based on the BP neural network is proposed.

为了解决最小二乘法需要测量数据的先验信息来构造协方差矩阵的问题，提出了基于BP神经网络的蜂窝无线定位算法。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了