误差的均方

Make it clear that combination forecast has lower mean square error than any forecast model.

组合预测的计算结果表明：组合预测比任何一个单一预测模型有较低的均方误差。

We characterize performance by the expected mean squared error in steady state.

我们通过稳态的均方误差确定了该估计量的效果。

The results show that the Mean Square Error of frequency estimation using median filter is more perfect than using mean value filter.

结果表明：在非线性频率估计中运用中值滤波算法后，其估计的均方误差较之运用均值滤波算法有很大的改善。

At the same time, Monte Carlo simulation is used to validate the idea. The results show that the Mean Square Error of frequency estimation using a median filter is better than that by using a mean value filter.

运用Monte Carlo仿真手段对其进行了验证，结果表明，在非线性频率估计中运用中值滤波算法后，其估计的均方误差较之运用均值滤波算法有很大的改善。

A kind of BP adaptive fuzzy method using minimum standard deviation estimator to identify gyro random drift is proposed in the paper, and the mathematical model is established.

本文提出一种BP自适应模糊辨识法及其辨识过程，它充分利用了语言信息与数据信息，在线反向传播学习，实现对陀螺仪的随机误差的高精度辨识，使数据辨识的均方误差达到最小。

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。

This method is applied in gasoline Low-Resolution Raman spectra data preproc he max positive/negative error and root mean squares error of cross validation of the partial least square model based on spectra after preprocessing is used to build are selected as criterion.

将其应用于汽油低分辨率拉曼光谱的预处理，并采用预处理后光谱建立的偏最小二乘模型预测值的最大正负误差和交叉检验的均方误差作为指标。

Results of computer simulation experiments on this new method show that it has better image denoising than ecumenic methods .

结果表明：这种方法比一般的图像消噪方法有很大改进，特别是图像的均方误差有很大的降低，提高了信噪比。

Results of computer simulation experiments on this new method show that it has better image denoising than ecumenic methods. Especially the of image has been decreased a lot while the has been increased.

结果表明：这种方法比一般的图像消噪方法有很大改进，特别是图像的均方误差有很大的降低，提高了信噪比。

A fault detection filter is then designed to make the residual error system exponentially mean-square stable with a prescribed disturbance attenuation level.

设计一个故障检测滤波器，使残差误差系统均方指数稳定且具有一定的扰动衰减水平。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。