英汉例句

• in this paper, a formula is proposed to calculate the total mean square error of gps horizontal network by circuit closures of coordinate components.

  提出一种由gps独立观测边组成闭合环的各坐标分量闭合差计算gps平面控制网全中误差的公式。

• an algorithm for estimating mean square error of the pixel position of scanned and thinned image is put forward in this paper.

  该文提出了一种计算扫描图象细化后象点点位中误差的方法。

• the computer simulations have done. the mean square error of the optimized network is up to about 10~(-5) for forecasting nonlinear time series signals.

  通过实验结果可以看出，删剪优化后网络的预测均方误差的数量级为10~（-5），而且比未删剪时的预测性能还要好；

• the results show that mean square error of the estimation tends to 0 and the fidelity of the transmission state tends to 1 with the increase in the number of the sample.

  研究结果表明，随着样本数的增大，估计量的均方误差趋于0，传输态的保真度趋于1。

• computer simulation experiment, as well as theoretical research show that the amplitude mean square error of the iterative output derived from iafc is 0.69%, and the amplitude un-uniformity is 1.01%.

  理论计算和计算机模拟实验结果显示，模糊控制迭代算法的迭代结果其振幅均方误差为0.69%，振幅不均匀度为1.01%。

• with covariance matching technique and innovation information of filtering, the noise variance is dynamically adjusted and the mean square error of the fusion system always keeps minimum.

  该算法采用协方差匹配技术，依据滤波新息，动态调整测量噪声方差，使融合系统的均方误差始终最小。

• the influencing factors for errors in regression equation are discussed and the relations between mean square error of regression equation and its influence factors are deduced.

  对回归方程误差的影响因素进行了分析，导出了回归方程的均方误差与其影响因素之间的关系式。

• main characteristics of statistical accuracy for p-s-n curves are analyzed and the method for mean square error of p-s-n curves parameters by computer simulation is brought forward.

  分析了反映psn曲线统计精度的主要指标，提出了psn曲线参数估计量的均方误差计算机模拟求法。

• in this paper, based on the error theory, the mean square error of elevation difference median in bilateral observation of subtend trigonometric distance measure is presumed.

  应用误差理论，推算测距三角高程对向观测高差中数中误差；

• based on the statistic characteristic of random errors, the mathematical expectation, variance and mean square error of the parameter estimator getting from this method are discussed in detail.

  从偶然误差的统计特征出发，详细讨论这种平差方法得到的参数估值的一些统计性质，并对半参数平差与最小二乘法的参数估计值进行比较。

• the method focuses on minimizing the ensemble mean square error of the estimation.

  该方法可以使估计的总体均方误差最小。

• in this paper, the notion of mean square error of model bias on basis of unit weight, and the relation between model error and model bias were discussed.

  基于单位权意义下的均方误差概念，讨论了模型偏差的含义以及模型偏差和模型误差的关系； 同时给出了模型偏差的识别和估计方法。

• the correlation coefficients(r) and root mean square error of prediction(rmsep) were used as the model evaluation indices.

  以预测集的预测相关系数（r），预测标準偏差（rmsep）作为模型评价指标。

• combined with working practice, this paper analyzes the factors which the mean square error of a point is influenced polar coordinate measurement.

  结合作业实践，分析了极坐标放样法各因素对点位误差的影响；

• the fitting is verified with the mean square error of the calibrated and computed water(levels) and reasonable fitting is obtained.

  用校正水位和计算水位的均方差检验拟合结果，结果表明拟合效果好。

• the mean square error of a point in independent adjustment is 2~(1/2) times that in correlative adjustment theoretically.

  独立平差点值中误差在理论上为相关平差点值中误差的2~（1/2）倍。

• and both the mean and the mean square error of the coordinate series are testified this method.

  通过算例分析，无论从坐标序列的均值还是中误差都验证了本方法的有效性。

• by selecting sub-ensemble with smaller error, the root mean square error of forecast is reduced by over 10%.

  采用最优集合子集预报方式时的臭氧预报均方根误差比原确定性预报低了10%以上。

• as a lower bound on mean square error of parameter estimate, the cramér-rao lower bound(crlb) is generally used to decide to what degree a suboptimal estimate method is close to its optimal fashion.

  克拉美-罗下限（crlb）作为参数估计所能达到的最低误差限，常被用来衡量算法估计性能的优劣程度。