查询词典 error mean square

A new set of appraisal system for the qualities of image enlarge is proposed with farther research based on gray scale,ratio of signal to noise,mean square error and absolute value of gradient.

进一步从灰度偏移、信噪比、均方误差和梯度模值4个方面，提出了一套衡量图像放大质量的评价体系。

The non-reference-signal's adaptive digital filter algorithm of multi-sensor data fusion in the course of adaptive filter can be done without reference signals. It can adjust convergence constant automatically, it can also be recurred with real gradient value. Thus the field to apply the adaptive filter is widened, the convergence speed of the adaptive filter is sped up, the weighted disadjustmend is decreased, so that the last error of mean square approaches its minimum value more.

这章研究的基于多传感器数据融合无参考信号的自适应数字滤波算法其在自适应滤波过程中具有不用参考信号与自动调整收敛因子及使用实际梯度值进行递推的特点，这样不仅可扩大自适应滤波的使用范围，而且还使自适应滤波的收敛速度加快有效地减小权失调，从而使最后的均方误差更接近于其最小值。

The Analysis shows that the bigger the variation coefficient of dependent variable,the bigger the mean square error of regression equation when the multiple correlation coefficient is definite.

分析表明，复相关系数一定时，倚变量的变差系数越大，回归方程的均方误差就越大；回归分析时，应对回归方程的误差进行分析。

The simulation results indicate that comparing with the classical Wiener filter, this method performs better in visual effect, mean square error and peak noise-signal ratio, and is an effective method for image restoration.

仿真实验表明，从视觉效果、均方误差和峰值信噪比等方面进行比较，其恢复效果比经典的维纳滤波法好，是一种有效的方法。

The results indicate that different approaches and product strategies have little effect on the estimates, but the partially constrained approach and the unconstrained approach (except for the one-pair strategy) produce fewer fully proper solutions, more bias and greater root mean square error for smaller sample sizes or poor reliability of the indicators.

结果显示，四种方法与交乘项策略对估计影响不大，但部分限制式方法於三种配对组合、未限制式方法於两两配对与所有配对组合，在适当解比率与参数估计评估表现皆较其他组合差，以小样本或外生潜在变项负载量低时尤为明显。

Of endogenous variables with the Root-Mean-Square Percent Error between simulated values and actual values less than 5%, and 81. 8% of endogenous variables with RMSPE less than 10%, which implies that the overall goodness of the model is satisfactory.

检验结果表明，动态模拟值与实际观测值的均方根相对误差低于5%的内生变量占全部内生变量的59.1%，而均方根相对误差不超过10%的内生变量占81.8%，说明模型对观测值具有良好的总体拟合性能。

Considering the fat-tail phenomenon that may exist in practical data, we have also studied the PTLE for the multi-t distribution model based on the three large sample tests above. Performances of the estimators according to the quadratic bias and mean square error are similarly compared in detail.

考虑到实际数据可能存在的厚尾情况，本文研究了文献中讨论颇多的多元t分布模型的基于大样本检验的等式约束预检验Liu估计，并同样在平方偏差和均方误差两个准则下对其优良性进行了详细比较。

Usually, lest mean square error algorithm, Quadric exponential smoothing and so on are used m such predictions.

正确有效地预测服务器性能负载，是计算机系统性能管理系统的一个重要环节。

For this objection, we propose a kind of optimal interpolator in the senes of the minimizing mean square error, which using the image nonseparable autocorrelation function model and characteristic of circular quincunx interpolator's coefficient distribution. The experiments testified that the interpolating characteristic of APIDCSF is similar to the optimal interpolator. A quasi-vanishing moment curve is proposed here.

消失矩高的滤波器内插性能好于消失矩低的滤波器，或者说支撑大的滤波器内插性能好于支撑小的滤波器，对于支撑相同但消失矩不同的不同类滤波器，提出了准消失矩曲线，可以检测二维不可分离的内插滤波器的内插性能以及在相同支撑下低阶消失矩与高阶消失矩滤波器的相似度。

Correlation coefficient of prediction set for the correction model of fat and protein are 0.990 and 0.994, and root mean square error prediction is 0.007 or 0.004, respectively.

所建立的脂肪和蛋白质校正模型的预测集相关系数分别为0.990和0.994，预测均方根误差分别为0.007与0.004。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。