error mean

英 [ˈerə(r) miːn] 美 [ˈerər miːn]

平均误差,误差均值

经济



双语例句

  1. Standard error of sample mean
    样本平均值的标准误
  2. The methods of the evaluation of image fusion, which includes: entropy, cross entropy, mutual information, mean square error, root mean square error, peak-to-peak signal-to-noise ratio were presented.
    介绍了图像融合的各种评价方法,包括:熵、交叉熵、交互信息量、均方误差、均方根误差、峰值信噪比。
  3. Estimating the Parameter of Deterministic Rational Signals in Colored Noise-Minimum Prediction Error mean Spuare Ratio ( MPEMSR) Method
    确定性有理信号参数的估计&最小预测误差均方比(MPEMR)方法
  4. Simulation results show that the MMSE based tracking method mitigates the ICI influence, therefore it decreases bit error and mean square error more effectively than the neglect-ICI ways that only put fixed phase rotation into consideration.
    仿真结果表明,基于MMSE准则的频偏跟踪算法由于减小了ICI的影响,所以比忽略ICI只考虑固定相位旋转量的跟踪算法能够更有效地减小系统的误码率和均方误差。
  5. Scatters diagrams and three statistical criteria? mean squared error, mean squared relative error and score of fitness were used to evaluate the prediction performance. The three criteria of predicting Ac3 and Ac1 using neural network are 23.8 ℃, 14.6 ℃;
    用散点图和均方误差、相对均方误差和拟台分值二个统汁学指标评价模型的预测性能人工神经网络预测Ac3和Ac1的三个统计学指标分别为23.8℃,14.6℃;
  6. The forecast experiment results show that the above hybrid approach not only reduces the systematic error in zonal mean height by the numerical model, but also makes an improvement in the non-axisymmetric components due to the wave-flow interaction.
    初步试验结果表明,这种途径有效地减少了模式纬向环流的预报误差;特别是通过非线性波流相互作用,还改善了部分波动分量的预报。
  7. The relative error of annual mean evaporation is less than 4%.
    年平均蒸发量相对误差小于4%。
  8. Under the normal assumption of gross errors, this paper derives the unbiased estimate formula of the posterior variance of the gross errors. For stochastic error model and mean shift error model, they have the same estimate formula.
    在正态粗差假设下导出了粗差验后方差的无偏估计,对误差方差膨胀模型和误差均值移动模型,两者的无偏估计公式是相同的。
  9. In this paper, the sampling error on the mean of annual suspended sediment discharge for the Yichang station on the Yangtze River has been estimated by use of the hydrologic stochastic simulation, and the variation ranges of the mean have been analysed by other three methods.
    本文应用水文随机模拟方法,对长江宜昌站年悬移质输沙量均值进行了抽样误差估计,并用其它三种方法分析了均值的变化范围。
  10. With shape functions of mean value interpolation and a bivariate Taylor expression, error estimation of mean value interpolation within polygonal elements is analyzed.
    对多边形单元上平均值插值的误差进行分析,利用平均值插值形函数的性质和二元函数的Taylor展开式,证明平均值插值的误差估计不等式。
  11. The data analysis shows that measure error and mean square error of data got by the method are both lesser than that of the traditional one, and the measured results approach the true data more compared with the that of the method of digital filter.
    数据分析结果表明,这样处理后的数据测量误差和方差均更小,测量结果更接近测量真值。
  12. Error Estimation and Mean Value Interpolation on Polygonal Elements
    多边形单元平均值插值的误差估计及应用
  13. Error Analysis of Mean Diameter Measurement with Three-point Method
    三针法测量螺纹中径的测量误差分析
  14. Standard deviation and standard error of arithmetic mean
    标准差与标准误
  15. The root mean square relative error, mean absolute relative error and maximize absolute relative error of SVM model generalization performance are 1.06%, 0.96% and 1.16%, respectively.
    对SVM多元非线性回归泛化性能进行测试,其均方根相对误差为1.06%,平均绝对相对误差为0.96%,最大绝对相对误差为1.16%。
  16. The method's performance is evaluated by using Error of mean square root.
    并采用均方根误差对该方法进行了客观评价。
  17. The results showed that the error of mean DPRC was lower than that of mean DPRP.
    结果表明,“平均受害丛率”在不同调查者之间的误差小于“平均受害株率”。
  18. The results show that the error of the mean and variance of the linear predictive method is smaller than that of other methods. But when the signal to noise ratio is smaller, its resolution ability is weaker than that of MUSIC and minimum norm.
    结果表明,相比MUSIC和最小范数法,线性预测法具有小的误差均值和方差,在信噪比较小的情况下,MUSIC和最小范数法具有强的分辨能力。
  19. A nonlinear dynamic model of a helical gear pair with backlash and time-varying gear meshing stiffness, as excited by the static transmission error under a mean torque load, is established in this paper.
    建立了斜齿轮副的间隙型非线性扭振模型,其中考虑了斜齿轮副的啮合综合误差、齿侧间隙和时变啮合刚度。
  20. The objective evaluation of fused image is studied. The objective evaluation measures are root of mean square error, mean error, standard deviation, entropy, entropy difference, cross entropy, mutual information and spatial frequency.
    这里研究了多传感器图像融合效果的客观评价方法,其中包括均方根误差、平均误差、灰度标准差、熵、熵差、交叉熵、互信息和空间频率。
  21. The connection between byte error probability and mean square error ( MSE) is analyzed and a approximate function expression is given by experimental result.
    分析了误码率与算法均方误差之间的关系,在实验的基础上给出了两者之间的一个近似函数表达式。
  22. It has been proved that this algorithm is better than these former algorithms through the contrast of image impersonality criterion ( peak signal to noise ratio, normalized mean square error, normalized mean absolute error).
    通过对滤波后图像的一些客观指标(峰值信噪比、归一化均方误差、归一化平均绝对误差)的比较,证明本文算法优于以前的改进算法。
  23. 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.
    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。
  24. Based on the FO estimate, we derive the linear minimum mean square error ( LMMSE) channel estimator and analytically investigate the effect of frequency offset estimation error on the mean square error ( MSE) performance of the channel estimator. 2.
    根据频偏估计值,推导了最小均方误差信道估计器,分析了频偏估计误差对信道估计器的性能影响。
  25. The control capability of model predictive control is analyzed when there is an error in mean angular velocity of orbit. The results show that model predictive control can ensure inner formation satellites fly steadily.
    研究了轨道平均角速度存在偏差时模型预测控制的性能,模型预测控制能够保证系统稳定。
  26. Nonlinear least squares regression is used when estimated parameters of both functions. The mean error, mean square error and mean absolute different of prediction, as well as determination coefficient are chosen as the criteria for evaluation.
    采用非线性回归拟合两个干形方程中的参数,将预测平均偏差、预测均方误差、绝对偏差、决定系数等作为评判的准则。
  27. The control capabilities of traditional PID controller and nonlinear PID controller are analyzed when there is an error in mean angular velocity of orbit. Results show that both of them can ensure inner formation satellites fly steadily.
    分析了轨道平均角速度存在偏差时传统PID和非线性PID控制的性能,二者均能保证系统稳定。
  28. The channel response in pilot OFDM symbols is estimated by LS, MMSE algorithm, Basis expansion models are used to track the time-varying channel response in a subframe and the bit error rate, mean square error performances are simulated.
    导频OFDM符号处信道响应使用LS,MMSE算法进行估计,一个子帧内的时域OFDM的时变信道响应使用基扩展进行信道拟合,仿真了系统误码率和信道响应均方误差。