The precision estimation of RCS is very important for aerocraft stealth design.
目标RCS的精确计算和预估是飞行器隐身设计极其重要的一部分。
The least square method for rock stress measurement is described in this paper. The method of precision estimation is improved.
本文从地应力测量数据误差处理的角度阐述了地应力计算的最小二乘法，对地应力测量精度评定方法进行了改进。
The methods of precision estimation of GPS RTK survey production are given in this paper, and their application is introduced with examples.
针对GPSRTK技术定位精度验后估计的欠缺，给出了GPS RTK测量成果的精度估计方法，通过实例介绍了此法的应用。
In construction of important and large buildings, a precision estimation and analysis of layout method are important data for working out survey plan.
在重大建筑物施工控制中，放样方法本身的精度估算及分析是制定测量方案的重要依据。
In this article the course of using computer to solve the problem of precision estimation about triangulation network is introduced.
介绍在平面三角网设计中，精度估算问题的计算机实现过程。
The test results show that a high-precision estimation of parameters and a reduced alignment time has been obtained by means of the Least Square Estimation.
试验表明：用最小二乘法作参数估计能缩短对准时间，并得到高精度的参数估计。
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。
The practical formula for area of house property precision estimation is developed, from the relations of propagation between the analytical boundary points and the area.
由坐标解析法界址点与面积的误差传播关系、导出了面积精度估算的具体计算公式。
Problems concerned with the optimum design, precision estimation and control point positioning of the control network in construction survey of a power plant are introduced.
文中介绍某电厂施工测量中有关控制网的优化设计、精度估计及控制点位放样方法等问题。
Simulation results and real measuring data calculations show that the precision estimation efficiency can be obtained by our method for a large class of linear and nonlinear regression models.
仿真和实算结果表明，对于一大类线性和非线性回归模型，该方法给出的回归模型的参数估计效率的估计更接近模型参数估计效率的真值。
GPS, Short baseline, Sample quantity, Precision estimation.
GPS定位，短基线，子样容量，精度评定。
Precision estimation of principal direction is more objective by using principal stress deflection error proposed in this paper.
提出了主应力的偏角误差概念及其计算方法，使主应力方向的精度评定更加真实客观。
Precision estimation of principal direction is more objective by using principal stress deflection error proposed in this paper.
提出了主应力的偏角误差概念及其计算方法，使主应力方向的精度评定更加真实客观。
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