误差

We gain the distributing instance as a whole by the spatial analyse of the daily、 mensal and annual precipitation.Then, we adopt mean error、 mean absolute error、 mean relative error、 and the root mean squared interpolation error and the correlative coefficient as the determinant standard of interpolation effect. The results show that the mensal precipitation effect of SIA is the best, and the daily precipitation effect is worse reversely.

然后，对年降水量、月降水量以及日降水量的SIA结果采用平均误差、平均绝对误差、平均相对误差、插值平均误差平方和的平方根误差以及相关系数作为判定插值效果的标准，并得到以下结果：月降水量的SIA效果最好，日降水的相对较差。

Legs' and joint-clearances' effects were analyzed to improve the accuracy of 3-TPT parallel machine tool. Every link in the platform was treated as a joint-link train. The mapping from the errors of legs and joint-clearances to the accuracy of terminal was achieved by using matrix method with the differential of kinematic function.

为提高3-TPT型并联机床的运动精度，解决杆长误差和铰链间隙误差的影响问题，将3-TPT型并联机床的各条支链作为假想的单开链，利用矩阵法结合从运动学方程微分得到的结论，推导出杆长误差和铰链间隙误差与终端动平台位置误差的映射关系。

The error is mainly the system error of the experiment, and the velocity measurement error is the identification of the first arrival of the primary wave and the attenuation measurement is the coupling between the sample and transducer.

对误差分析表明，本文研究中的误差主要来自于实验系统误差，其中速度观测误差来自于对首波初至点的确定，声衰减观测的误差来源于探头与样品之间的耦合状况。

A set of strategies are presented for modeling different types of error components according to their properties.

根据几何误差的位置特性和热误差的温度或时间特性，在误差的混合信号中，分离了几何误差和热误差。

The generalized criterion for minimum zone in the determination of form error of surface is presented on the basis of linear minimax techniques, and the criteria of such surfaces as for cylindricity and straightness with arbitrary direction are derived from this generalized criterion.

本文讨论形状误差最小区城的判别准则和判别方法。根据线性极差极小化问题解的特征，给出形状误差最小条件的统一判别准则。推导出各种形状误差最小区域判别法(包括圆柱度误差和任意方向直线度误差)，并在几何判别的基础上得出代数判别的格式。

The adaptive compensation term of the optimal approximation error and a new robust term are adopted to minify the influence of modeling error and parameter estimation error.

该方案通过引入最优逼近误差的自适应补偿项和新的鲁棒项，削减建模误差和参数估计误差的影响，从而在稳定性分析中取消了要求逼近误差平方可积或逼近误差的上确界已知的条件。

The method made lead and lag errors boil down to GPS errors, which could be emendated by map data on the basis of the observability of GPS errors along the vertical direction. A general Kalman filtering was constructed to process the information of corrected GPS and DRS later, Which decreased lead and lag errors in the integrated navigation system.

该方法是将超前滞后误差归结力为GPS误差，先利用GPS沿道路垂直方向上误差的可现测性进行GPS误差校正，再得校正的GPS信息与DRS信息进行卡尔曼滤波，从而喊少组合导航系统超前滞后误差。

Through investigation we recognize that in order to decrease calculation error, it is desirable to decrease truncation error and error amplification factor in small and medium step sizes.

根据分析可知，在中小步长时减小本步截断误差和误差增长因子对减小计算总误差是有效的，而在大步长时减小误差增长因子比减小本步截断误差更有效。

The target of this thesis is to investigate the relationship between the transmission errors and applied torques of the spur gear by experiments. The main content includes the development of the gear transmission error test facility and its test planning. The transmission error tests and analyses under different loads, center distance and the axial crossed angle on spur gear pairs are also investigated.

本论文的目标系以实验方法探讨正齿轮对之传动误差与其扭力负载之关系，主要内容包含齿轮传动误差之测试设备建构与测试规划、不同扭力负载之正齿轮对的传动误差测试分析、不同中心距之正齿轮对的传动误差测试分析及不同轴交角之正齿轮对的传动误差测试分析。

The meshing of FG drives with misalignment, which includes shaft angle error, shaft crossing error and axial shift error, is analyzed by using the continuous tangency of pinion and FG to obtain the equations of tooth contact analysis, and visualizing contact path, and studying the effect of errors on the shift of it. A computational procedure of tooth contact is developed in this paper.

在具有安装误差的面齿轮传动的啮合分析中，建立了在有轴交角误差、轴交错误差和轴向偏移误差情况下的齿面接触轨迹所满足的方程，提出了一种求解接触点参数的策略；对齿面接触轨迹进行了可视化；分析了各类误差对齿在接触轨迹的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。