估计一下在秤量，使用滴定管和确定终定位置的不确定度。用这些值计算误差传播而且跟所观测值比较一下。
Estimate what you think the uncertainty is in weighing, using the buret, and in endpoint location. Do error propagation from these values and compare with the observed precision.
文中基于子空间类测向方法，在远场情况下，提出了一种新的估计阵元位置误差的有源校正算法。
In the case of far field sources, based on the subspace direction-finding technique, a new method for active calibration of array shape is presented.
当惯性陀螺工作在方位姿态时，有一定的斜坡漂移，它将引起惯性导航系统中的严重的航向和位置误差，所以有必要估计和补偿它。
There exists a slope drift in an integral gyro when it is used as an azimuth gyro, which may cause serious heading and position errors in the Inertial Navigation System (INS).
然后对位置估计结果使用残差加权算法进行NLOS误差抑制。
Then it USES Residual Weighting Algorithm to the result of estimation in order to restrain NLOS error.
轮廓的尺寸量、位置量以及形状误差估计值的不确定度与测量误差、被测轮廓的形状特征以及采样策略等有关。
Sampling strategy, measurement errors and measured contour form features are all related to the uncertainty analysis for dimension, position and form error estimated.
同时将电气稳态的概念引入转子位置估计中，有效地解决了电机在稳态情况下转子位置估计误差大的问题。
And electric steady also is introduced to estimation of rotor position, which solves effectively the problem of big error on rotor position estimation in process of dynamic.
基于特征值分解的DOA估计算法对信号的相位误差非常敏感，因此有必要对阵元位置误差进行校正。
DOA estimation algorithm based on eigenvalue decomposition is very sensitive to phase error of array signal.
线性相位误差导致机载SAR成像后目标的位置发生偏离，从而改变多普勒中心频率。研究线性相位误差的特点，提出一种改进的杂波锁定估计方法。
Linear phase error leads to that the estimated target location offsets from its original location in airborne SAR imaging, and the Doppler centroid frequency will be changed.
距离测量误差包含测量噪声和非视距误差两部分，其中非视距误差是位置估计的主要误差来源。
The distance measurement errors include errors of measuring noise and non-line of sight, of which NLOS error is the main source of error in location estimation.
本论文归纳总结了GIS空间位置数据不确定度估计和误差传播的基础理论和实用的估计方法。
This paper has summarized the basic theory for GIS spatial position data uncertainty estimation and the error propagation, and practical estimation methods.
仿真实验表明，通过对频率自适应调整，使机动目标的位置、速度估计误差明显减小。
In the simulation test, the position error and velocity error of maneuvering targets was seen to be reduced greatly. It indicates that the adaptive adjustment of maneuvering frequency is effective.
该方法利用空间两异面光轴公垂线估计交会点位置，克服了常规算法中的模型误差。
The method estimates intersecting point by means of optical axis public vertical line of two different planes in space.
该方法利用空间两异面光轴公垂线估计交会点位置，克服了常规算法中的模型误差。
The method estimates intersecting point by means of optical axis public vertical line of two different planes in space.
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