均方差 average quadratic error; mea quareddeviation(msd); mean square deviation; mean square error; mean square line; mean squared departure; mean squared deviation(msd); mean squared error; meansquare error; meansquaredeviation; mean-variance; quadratic mean deviation; root-mean error; root-mean residual; root-mean-square deviation
Results show that 27 or 20 principal components can extract the dominating features of frf , and the corresponding covariances of the reconstruction error are 0 . 0097 and 0 . 0134 respectively 误差分析结果表明,采用27或20个主元能提取润扬悬索桥的主要动力特征,重构误差的均方值分别为0 . 0097和0 . 0134 。
The aim of this paper is to investigate the asymptotically mean square stability ( ms - stable ) of the analytical solution and the numerical method ( the continuous - method ) for a linear stochastic pantograph equation 摘要本文目的是研究线性随机比例方程解析解和数值方法(连续-方法)的渐近均方稳定性。
The random response of the non - linear system with parameter at random under the determinate load are studied by using the perturbation law and central differential dividing law 摘要应用摄动法和随机中心差分法,研究了具有随机参数的非线性系统在确定性荷载下的随机响应,得到了均方响应的一种近似迭代关系。
Results show that the rbfnn is obviously superior to the traditional linear model , and its mae ( mean absolute error ) and rmse ( root mean square error ) are 41 . 8 and 55 . 7 , respectively 结果显示,该模型预测效果明显优于传统的线性自回归预测模型,各月平均的平均绝对误差( mae )和均方误差( rmse )达到41 . 8和55 . 7 。
Based on fractional sampling method , a new super - exponential iteration decision feedback blind equalization algorithm for severely nonlinear phase distortion channels was proposed 因此针对严重频率衰落和非线性相位失真信道,提出了一种分数采样的混合盲均衡算法,并获得了较快的收敛速度和较小的剩余均方误差。
Firstly the fringe is subdivided properly , then we get the estimated phase in subdivided regions based on the wavelet method and minimum mean errors estimates method 首先对干涉图象进行适当的分块,然后通过线性相位模型对每个子块的相位进行拟合;拟合系数通过干涉图象分块的小波变换与最小均方误差估计方法获得。
An optimal subband rate allocation algorithm in mean - squared error ( mse ) minimization sense was proposed , which achieves persistent optimal rate - distortion performance under any given rate constrains 提出均方误差最小意义上的最佳三维子带码率分配算法,该算法在任意给定码率限制条件下都能获得最优率失真性能。
The experiment on a blurred text image restoration shows that the mean square error ( mse ) of the improved nas - rif algorithm has a better convergence , and that the signal to noise ratio is improved 对文字模糊图像的仿真结果表明,与原始算法相比,改进算法的均方误差曲线收敛性及稳定性更好,提高了恢复图像的信噪比。