Estimation of GM (1, 1) model parameter usually adopts the least square criterion, but test of model precision often USES average relative error criterion.
估计GM(1,1)模型中的参数通常采用最小二乘准则，而在模型精度检验时又常采用平均相对误差。
In a speed sensorless vector control system, the precision of speed estimation is relied on the precision of motor parameter.
在无速度传感器矢量控制系统中，转速估算的精度在很大程度上依赖于电机参数。
The parameter estimation achieved by this method is not unbiased. The precision of curve fitting is low.
但这种方法进行的参数估计不是无偏估计量，因此其非线性拟合精度较低。
This paper concerns the application of effective numbers on precision estimation, choice of parameter, instrument choice and usage, and physical experiment design.
论述了在物理实验中有效数字在精度估计，参量选择，仪器选择和使用以及实验设计等方面的应用。
Using the filter property of correlative Integral, the effect of noise in measured signal may be effectively restrained and the precision of parameter estimation is raised.
利用相关积分方法的滤波特性可以有效地抑制测量信号中的噪声影响，提高参数估计的精度。
In the practice projects, the precision of maximum likelihood estimation of Weibull shape parameter is quantitatively provided by the conclusion.
工程上，可以依据文中提供的结论定量分析威布尔分布形状参数极大似然估计量的精度。
Parameter estimation is a key technique in the passive radar system, since its precision influences the location precision directly.
参数估计是无源雷达系统的一项关键技术，其精度直接影响到目标定位精度。
In order to improve the forecast precision of modified GM (1, 1) model, a new parameter estimation formula based on accumulating method to modified GM (1, 1) model is proposed.
为了提高新息改进GM(1,1)模型的预测精度，引入累积法对新息改进GM(1,1)模型的参数进行估计，给出了新的参数估计公式。
As for the imprecise noise samples, the estimation precision is dependent on the threshold parameter K.
当噪声样本值不准确时，估计精度与门限k的选择有关。
As for the imprecise noise samples, the estimation precision is dependent on the threshold parameter K.
当噪声样本值不准确时，估计精度与门限k的选择有关。
应用推荐