平均误差

Lagrange三角多项式插值于布朗桥测度空间下的平均误差

Average error of Lagrange trigonometric polynomial interpolation on the Brownian bridge measure space

Lagrange插值算子于Wiener空间下的平均误差

The Average Error of the Lagrange Interpolation Operators in the Wiener Space

介绍了灰色系统GM（1,1）模型的预测方法，并用该模型对学生近视率进行预测分析，拟合与外推预测的平均误差分别占实测值均数的1.43%和1.21%。

Grey systems model GM ( 1,1 ) was used to predict the student 's myopia rate .

估值平均误差J是判断诊断精度的有效判据。

The averaged error of estimation J is an effective criterion for determining the diagnosis accuracy .

研究表明，用陆地卫星TM影像获取河流岸线数据平均误差在6m左右；

The research shows that the average error of shoreline data coming from TM image is 7m or so ;

当同时结合C节点-C连接和C节点-H连接计算的自相关拓扑指数时，拟合结果进一步改进，相关系数达到0.99，平均误差都小于2.5。

When the autocorrelation topological indexes of C_node-C connection and C_node-H connection are considered at the same time , the fitting results are further improved , the correlation coefficients are 0.99 and the average errors are less than 2.5 .

试验表明，基于D-S证据理论权重分配的组合预测平均误差为6.35%。

Test showed that the average predict error of the combination forecasting model based on the D-S evidence theory is 6.35 % .

应用Lee氏双孔模型处理吸附动力学数据，关联数据的平均误差是单孔模型的1/3。

A bi porous model was used for correlating the kinetics data , the error of this method was only 1 / 3 of that of single porous model .

文中以MODIS地表温度产品作为评价标准，对方法进行检验，其平均误差为2~3℃。

For snow-covered land surface , the average land surface temperature error is about 2 ~ 3 ℃ relative to the MODIS LST product .

方法利用Matlab65软件对人工神经网络BP模型进行构建、训练及模拟。结果伤寒副伤寒发病率回代平均误差率和R2分别为084%和09999。

Methods Back Propagation artificial neural network model was built by Matlab , version 6.5.Results The Mean Error Rate and R 2 was 0 84 % and 0 999 respectively .

饱和煤油法与氦孔隙计法测量孔隙度之间的平均误差为8.5%，CT两次扫描法与饱和煤油法之间的误差为7.8%，说明利用CT测量岩心的孔隙度是成功的。

Mean error of porosity by kerosene mass method and helium porosimetry method is 8.5 % , and the same by CT dual scan method and kerosene mass method is 7.8 % . This shows that measuring porosity of core by CT is successful .

Kow和Koc平均误差分别为0.43和0.37个对数单位。

The mean errors of Kow and Koc of the compounds were 0.43 and 0.37 log units respectively .

标定试验重建结果的平均误差小于1mm，最大误差小于3mm。

The result shows that the mean error of the reconstruction results is smaller than 1 mm , and the max error is smaller than 3 mm .

结果病灶定位准确，平均误差2.9mm，术后神经功能保留良好。

Results The orientation was precise , actual mean error of this system was 2.9 mm .

本文比较了各种金属氢氧化物的pkm计算值和实验值，57种计算值与实验值的平均误差为-0.44。

Comparisons between calculated and experimental pKm of metal hydroxides of different ions are shown , and the average difference between calculated and experimental values of 57 metal hydroxides is -0.44 .

用1988年的影响华南的8个热带气旋作风力预报检验，共419站次24h风力预报的绝对平均误差为2.04m／s。

There are 419 records of wind speed caused by 8 tropical cyclones in shore of the South China Sea in 1988 , comparing the 419 records and the corresponding forecast value , the mean absolute error is 2.04 m / s.

理论计算和实验测定频率的平均误差为19·0cm-1.根据DFT计算的振动模式和IR光谱强度值对目标分子的实验振动基频进行了完善的和合理的指认和解释。

The mean difference between the theoretical and experimental frequencies was found to be 19.0 cm ~ - 1 . According to the normal modes and IR intensities in DFT calculation , we gave a consummate and reasonable assignment and interpretation to the observed vibrational spectrum of strychnine .

对Eckert的通用关联图进行了回归，得到了分段的关联式，计算的最大误差为18.5%，平均误差为4.96%，可以满足工程设计计算的要求。

Several relevant correlations were obtained by regressing Eckert 's current correlative graph . The max. error in calculation is 18.5 % , and the average error 4.96 % .

硬组织点平均误差2.28mm，软组织点平均误差0.77mm。

The mean error of hard tissue landmarks identification was 2.28 mm and the mean error of soft tissue landmarks was 0.77 mm .

用随机抽样方法复查1，OOO块胃粘膜，误差率为4.7%，平均误差为0.325级，最大误差0.631级，大大减少了诊断误差。

1,000 gastric mucosal specimens were reexamined by random sampling , the error rate was 4.7 % , with mean error 0.325 and maximum error 0.631 . The diagnostic error was greatly reduced by this method .

荒漠牧草区年净第一生产力的空间分布有很大的差异，禁牧区牧草的年NPP相对非禁牧区的NPP较大，这一结论与地面观测结果相一致，NPP估算值平均误差为12.6%。

In the desert area spatial distribution of the annual NPP varies greatly and the NPP in the grazing-prohibited area is higher than that in the grazing area , and this agrees with the result in the field observation . The average NPP error is 12.6 % in the estimation .

最后，确定近海水质数据符合log-logistic的概率密度函数，提出将上述两种预测结果的概率密度作为其组合权重的近海水质组合预测方法，平均误差降低为21.20%。

Finally , the integrated prediction was taken based on the above two prediction results , whose weights were calculated by its log-logistic probability density and average prediction error was reduced to 21.20 % .

中误差与平均误差作为衡量精度指标的分析比较

Analysis and comparison of square error and average error as index of accuracy

在低阻值段，平均误差为0.01%；

In the low resistance range , the average error is 0.01 % .

平均误差框架下的多项式逼近的正、逆定理

Direct and inverse theorems on best uniform polynomial approximation in average case setting

记录每一病例的平均误差。

The registration error was calculated in every case .

抽样推断的抽样平均误差

Average Errors in Sampling through Sample Deduction

反应速率的实际测定和计算值平均误差为4－38%。

The average error of reaction rate between calculated and measured value is 4.38 % .

提高了数据压缩率，数据平均误差也得到了改善。

The data compression ratio and the average error of the data can be improved .

结果表明，此方法报准率较高，平均误差与均方差较小。

The results show that this method has a high success rate with smaller average error .