查询词典 error of measurement

By re-constructing the system, the residual error dynamic characteristics of unknown input and fault signals including unknown disturbances and modelling error are obtained. The energy norm indexes of disturbance and fault signals of residual error are selected separately to reflect the restraint of disturbance and the sensitivity of faults, and the design of fault detection observer is described as an optimization problem.

通过对系统进行重构，获取了包括未知扰动、建模误差等未知输入信号和故障信号的残差动态特性，分别选取残差的扰动信号和故障信号的能量范数指标来体现其对扰动的抑制作用和对故障的灵敏性，并将故障检测观测器的设计描述为一个优化问题。

The aims of this paper are to derive the optimal error estimates of eigenpairs, i.e. the optimal error estimate of eigenvalues, and the new error estimates of velocity, pressure including the L~2 - norm and energy norm, respectively, in which the L~2 - norm estimate of velocity on anisotropic meshes has not ever been seen in the precious literature.

对于Stokes特征值问题本文不仅得到了征值对的最优误差估计即：特征值和流速压力的零模和能量模以及压力的能量模最优误差估计，其中在各向异性网格下对此问题的零模估计尚未见报道。

Keywords Error Distribution;Information Diffusion Estimation;Similarity; Error Oblate;Integral Equi-Density Error Band

误差分布；信息扩散估计；相似度；误差扁圆；整体等密度误差带

As shown by the experimental results, the calibration method is very effecting, easy to judge the error of LINS caused by each coefficient in its error model and the effectiveness of error coefficient compensation.

实验研究结果表明，作者提出的校准方法效果明显，容易判断每一项误差系数在LINS中对导航信号精度的影响及补偿效果，整个校准过程的时间h，适合工程上使用。

All kinds of errors that influence load sharing characteristics of gear system have been given, mainly including manufacturing and assembly error of each gear component's axis and each bearing's axis, tooth thickness error. The formulas of equivalent mesh error have been derived.

确定了影响行星齿轮传动系统均载特性的各类误差，主要包括：各个齿轮构件的中心轴线制造和安装误差、轴承中心轴线的制造和安装误差、行星架的制造误差、齿轮的齿厚偏差。

From the model, functional relationship between kinematics reliability of tool tip and every error resources was got; the contribution of each error component to the kinematics accuracy of the mechanism was analyzed and the key of all error resources was confirmed.

应用误差模型能够得出末端执行器位姿误差和各个误差源之间的显式映射关系，定量地分析各个误差源对机构运动精度的影响程度，从而确定机构中影响其运动精度的关键环节。

Then we can get the curve of Bit error rate. The influence of speed to Bit error rate in high-speed movement is studied. Results indicated that speed plays a small part to Bit error rate.

并且还研究了在列车高速运动的时速度的变化对误码率的影响，得出了速度的提高对误码性能影响不大的结论。

The limit error in punching parts are the max dimension error which practicable allowed in the parts with limit error.

冲件的极限误差是具有极限偏差的冲件所具有的实际允许的最大尺寸误差。

Phase velocity error caused by position error of microtremor observation array is computed under different conditions such as two different dispersive phase velocity models of Rayleigh wave, three kinds of radius, 19 kinds of observation position mode and 6 types of position error.

为研究地脉动观测台阵中观测点之间的定位误差带来的影响，计算了在两种瑞利波频散模型、3种不同的圆周半径以及19种观测位置等多种情况下由6种定位误差引起的瑞利波相速度相对误差，结果表明：由于圆周上观测点数目有限，在不存在定位误差时，相速度误差也是存在的，随观测点位置的不同，相速度相对误差存在差异，其最大值约为最小值的3倍。

To detect gross error of maneuver and observation as soon as possible can geta better positioning result, while time delay often exists in the detection. This papergives a new method in real-time kinematic positioning of detecting maneuver andgross error as soon as there is gross error in maneuver and observation data.

为了在实时动态定位中尽可能快地检测出运动载体机动和观测数据何时出现粗差，文中提出了一种对机动和粗差检测的新方法。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。