标准误差

通过多组仿真实验，将仿真结果中的总体成本作为样本，运用数据统计分析软件SPSS求解各组解的样本均值、均值标准误差、样本方差以及全距等特性判定解的品质。

The total cost of the CL is collected after some sets of simulation experiments . The SPSS is used to do the data analysis by calculating the mean , the standard error of mean , the standard deviation and the range .

值得注意的是实验中最大标准误差为0.03nm，能满足目前波分复用技术所需的信道精度。

It is worth noting that the maximum standard error was 0.03 nm , and met the precision of the wavelength channel in the currently WDM technique .

Laplace数值反演变换中的最小标准误差原理

The least criterion error principle on Laplace numerical inversion transform

误差肯定会超过土地办法“TERRA”（B）的期望正式标准误差。

The deviation definitely exceeds what can be expected from the formal standard deviations of the terrestrial solution TERRA ( B ) .

为了克服标准误差反传（BackPropagation，BP）算法的缺陷，提出了一种附加动量项和自适应学习速率相结合的改进的BP算法。

The standard artificial neural networks have inherent disadvantages . To overcome these disadvantages , an evolved Back Propagation ( BP ) algorithm is developed by combination of additional inertia and self-adaptation of learning velocity .

应用最小标准误差原理，解决了Laplace反演变换中各控制参量（λ·N·T）的选定。

The least criterion error principle on the numerical inversion of Laplace transform is presented in this paper . The reasonable selection of relative controlling parameters (λ, N , T , etc. )

对于波动项参数σ2和γ值，MLE法的估计均值和标准误差要优于GMM法；

For volatility parameters σ 2 and γ, the mean and standard deviation of MLE are superior to that of GMM .

实验结果表明：R-SDR的布线时间及布线时间标准误差分别为PathFinder的1.2倍及1.1倍。

Results show that the CPU time and its standard deviation by R-SDR is 1.2 and 1.1 times of those by PathFinder , respectively .

在Jackknife检验方法的验证下，折叠速率预测值与实验值有着很好的相关性，相关系数为0.80，标准误差为2.65。通过比较分析，该方法优于其它基于一级结构的预测方法。

Based on the Jackknife test , the correlation coefficient between the experimental and predicted folding rates is 0.80 , and the standard error is 2.65 . The comparative results show that the performance of the proposed method is better than several sequence-based methods .

设计和制造了一种立式的、循环润滑全浸开放型的油封摩擦扭矩试验机，试验机的相对标准误差为4.3%。

An oil seal friction torque tester was designed and manufactured .

通过台基校正后的震级，标准误差明显下降。

For the corrected magnitude , the standard error is obviously decreased .

测量的标准误差好于±0.63%。

Its measurement error is less than ± 0.63 % .

还可以计算每个块体的分辨核和标准误差。

Resolving kernels and standard errors can also be computed for each block .

标定和测量表明，粘度计标准误差在2%以下。

Calibration and measuring processes indicate that standard error is less than 2 % .

我们还将尝试改进逐路径估计量，以求减小标准误差。

We also try to improve pathwise estimator in order to reduce standard error .

测量中的最佳值及标准误差的数学研究

Mathematical treatment of error in the indirect measurement

中国东南地区气象要素场线性内插标准误差初步分析

Analysis of Linear Interpolative Standard Error about Meteorological Element Field in the Southeast China

扑尔敏平均百分回收率100.3%，标准误差0.01。

The average recovery of chlorpheniramine maleate was 100.3 % (± 1 % ) .

关于标准误差应用问题的讨论

Discussion of application problems about standard error

标准误差的整体认识及运用

Integral Realization and Application on Standard Error

三维重建与球囊测量值回归方程的标准误差较小。

The standard error of linear regression between reconstructed images and balloon stretched diameters was small .

第一，通常低估标准误差而高估检验统计量，使检验结果出现严重偏差。

First , usually overestimated and underestimated standard error statistic test , the test results have serious discrepancies .

测量灰分范围为7%&15%，标准误差为±0.58%。

The measurement ash range is ( 7-15 ) % . The standard deviation is ± 0.58 % .

实测结果被测电阻的标准误差小于0.03MΩ，相对误差小于1%。

A standard error is less then 0 . 03M Ω and relative error is less than 1 % .

通过控制点位置和权值节点分布以及高斯标准误差来控制曲线形状。

The shape of curves is controlled by the coordinate and weight of the control points , nodes , and Gaussian standard deviations .

该模式可为大豆引种时预测成熟期提供定量依据，预测标准误差≤5%。

This model could possibly be used for predicting the maturity period of soybean introduced to Shandong ; the error of prediction is ≤ 5 % .

用这四个量规函数加上台基校正，求得的单台震级的标准误差为0.21&0.23级。

The standard error of single station measurement of earthquake magnitude is about 0.21-0.23 , utilizing the new calibration function and the corrections of site condition .

本文对误差与偏差的几个问题进行初略的讨论，并由此推出了误差与偏差的关系式和标准误差公式。

This paper discusses elementally with questions of " error and deviation " inferring to relation formula of error and deviation , and standard formula of error .

通过验证可知，简单克里格的平均标准误差最小，普通克里格的平均标准误差最大。

Through validation we could see that the average standard error of simple kriging was minimum , and the average standard error of ordinary kriging was maximum .

改进的算法中通过二进制粒子群算法寻找使预测标准误差最小的一对参数值，从而提高了预测性能。

The improved algorithm searches for the optimal parameter values by minimizing the standard error of prediction based on binary particle swarm optimization to improve the prediction performance .