同时给出了任两个传感器之间的预报误差协方差阵的计算公式。
The computation formulas for the prediction error covariance matrix between any two subsystems are given.
为了计算最优加权,提出了局部滤波误差协方差阵的计算公式。
In order to compute the optimal weights, the formula of computing the covariance matrices among local filtering errors is presented.
对于不同的相关函数模型对背景误差协方差的拟合也做了相关分析对比。
Different correlation functions fitting background error covariance are investigated and the results are given.
这种滤波器的关键是在均方意义下推导无偏转换测量误差协方差阵的最佳估计。
The key of the presented filter is to derive the best estimate of the covariance matrix of the unbiased converted measurements in the mean-square sense.
推广的序贯估算法有两种形式:1。积分误差协方差矩阵,2。积分状态转移矩阵。
There are two forms of extended sequential estimation algorithm: 1. integrating error covariance matrix; 2. integrating state transition matrix.
基于转换测量误差协方差矩阵的特征值分解,给出了转换位置测量的时间渐近特性。
Based on the eigenvalue decomposition of the converted measurement error covariance matrix, asymptotic behavior was given about the converted position measurement error.
其根据多普勒雷达径向速度资料的特点,水平方向采用非各向同性的单变量背景场误差协方差函数。
As for the characters of the Doppler Radar radial velocity data, the single variable background error covariance is used. And the anisotropic covariance function is adopted in the horizontal plane.
提出了一种基于信息效能函数的传感器管理最优决策模型,分析了以预测误差协方差为分配效能的分配算法的最优性。
An optimal decision model of sensor management based on information efficacy function is proposed. The optimality of the allocation algorithm based on predicting covariance is analyzed.
背景误差协方差是变分资料同化系统中的一个重要组成部分,能将观测信息从观测点传播到周围的模式格点和垂直层上。
Background error covariance is an important part of variational data assimilation system, which is used to spread the observation information to other grid points and vertical levels of the model.
提出了用于得到最优加权系数的局部滤波误差方差和协方差计算公式。
The formula of computing variance and covariance among local filtering errors is presented, which is applied to obtain the optimal weighting coefficients.
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.
为了计算最优加权,提出了局部估计误差互协方差的计算公式。
In order to compute the optimal weights, the formula of computing the cross-covariance among local filtering errors is presented.
为了处理这个问题,提出了一个新的方法,聚焦变换的基础上鉴别协方差矩阵,以消除噪声,并因此减少聚焦误差。
To deal with the problem, a new method of focusing transformation based on differentiating covariance matrix is proposed to eliminate noise, and hence reduce the focusing error.
该算法采用协方差匹配技术,依据滤波新息,动态调整测量噪声方差,使融合系统的均方误差始终最小。
With covariance matching technique and innovation information of filtering, the noise variance is dynamically adjusted and the mean square error of the fusion system always keeps minimum.
任意两个传感器子系统之间的滤波误差互协方差矩阵推导出状态的时间延迟系统。
The cross-covariance matrix of filtering errors between any two-sensor subsystems is derived for state time-delay systems.
为了计算最优加权,提出了局部估计误差方差阵和互协方差阵的计算公式。
In order to compute the optimal weights, the formulas of computing the local estimation error covariance and cross-covariance matrices are presented.
给出了检验疏失误差是否存在的符号检验法和游程数检验法。并给出了存在疏失误差时如何调整实验数据协方差矩阵的方法。
The methods of sign test and runs number test of negligence error and adjustment of experimental covariance matrix are given in the work.
为了计算最优加权阵,提出了计算局部滤波误差互协方差阵的公式。
In order to compute the optimal weighting matrices, the formula of computing the cross-covariance matrices among local filtering errors, is presented.
为了计算最优加权阵,提出了局部估计误差互协方差阵的计算公式。
In order to compute the optimal weighting matrices, the formula of computing the cross-covariance matrix between local estimation errors is presented.
为了计算最优加权,提出了状态估计误差方差阵和互协方差阵的计算公式。
The formulas of computing the variance and cross-covariance matrices among local state estimation errors are presented, which are applied to compute the optimal weights.
拟合与时间相关的QTL基因型的期望均值向量和剩余误差的协方差矩阵是动态性状功能定位的核心内容。
Modeling time-dependent expected mean vectors of QTL genotypes and the structure of the within-subject residual covariance matrix are the essence for functional mapping QTL of dynamic traits.
然后,推导了任两个局部估计误差之间的互协方差阵的计算公式。
Then we derive the computation formula for the cross-covariance matrix between any two local estimators.
最后给出了平差待估参数与观测值真误差之间的微分关系,由此即可导出平差待估参数的协方差阵。
At last gives the differential relationships between the unknown parameters and the true errors of the observations. These relationships can be used to evaluate the precision of the estimations.
本文根据伴随系统理论,在某飞行器制导工具误差的精度评定中加以实际应用,求出落点偏差的协方差矩阵。
In this paper, the adjoint system theory is applied to the guidance accuracy assessment of the flying vehicle, and the covariance matrix of the impact point deviation is solved.
本文提出了一种多个加速度计的冗余制导方案,以仪表误差引起的制导命中误差最小为准则,用协方差分析法,导出加速计最佳安装方位。
This paper presents a multi-accelerometer redundant guidance scheme. The optimum orientations of accelerometers are derived to minimize the missing distance caused by instrument errors.
本文提出了一种多个加速度计的冗余制导方案,以仪表误差引起的制导命中误差最小为准则,用协方差分析法,导出加速计最佳安装方位。
This paper presents a multi-accelerometer redundant guidance scheme. The optimum orientations of accelerometers are derived to minimize the missing distance caused by instrument errors.
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