查询词典 estimating error

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

Thus, if a high resistance is required in a measurement circuit, the error analysis must account for the error due to the voltage coefficient of the resistor, in addition to all other time and temperature error factors.

所以，如果一个测量电路需要使用高阻值电阻器的话，在进行误差分析的时候，除了考虑所有其它的时间和温度等误差因素之外，还必须考虑由电阻器电压系数所引起的误差。

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。

At the same time, ambient temperature changes affect the acceleration of the method There is a certain measurement error, but the error of law stronger, from the basic structure, measuring principle, numerical and other aspects of the process of measuring the inclination and measurement system The structure of error correction for analysis.

同时，由于环境温度变化时对加速度计的影响，该方法存在一定的测量误差，但误差分布规律性较强，因此从基本结构、测量原理、数值计算等方面对倾斜度测量的过程和测量系统结构误差的校正进行分析。

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。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。