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- But the positioning error of INS accumulates along with time. 但惯导定位的定位误差会随着时间不断积累。
- Setup error is also called patient positioning error, deriving from everyday treatment variation. 设定误差即病人治疗位置误差；
- SINS/DVL integrated navigation system is usually made use of AUV,but great positioning error comes into being in long-distance voyage. AUV通常采用SINS/DVL组合导航系统导航,然而在大航程时存在很大的定位误差。
- Nanolithography experiments were presented to verify the effectiveness of the new actuating method and positioning error compensation method. 纳米刻画实验验证了该新型驱动方法及误差补偿的有效性。
- In process of multi-point forming(MPF) for sheet metal parts,there is shape error between the formed workpiece and the objective model due to springback and positioning error. 在板类件多点成形中,由于板料回弹、工件定位等因素,成形后的工件曲面与目标模型之间存在误差。
- The positioning error in “One Feature and Tow Spans” of a workpiece is analysed and calculated:the function equation of positioning error and process demension is given. 用坐变换的方法对工件一面两孔定位时的定位误差进行了合理地分析计算,给出了定位误差对工序尺寸的函数关系式。
- Calibrationmethod was come up with to modify alignment error.It was proved by actual manufacturing process that this method isavailable for aligning positioning error. 给出了改善对准误差的标校方法,并在实际的多级衍射光学元件制作过程中得到验证。
- This paper describes the method for underwater positioning error correction of submarine on the basis of the acoustic positioning system(APS)and inertial navigation system(INS). 研究基于水声定位系统(APS)和惯性导航系统(INS)的潜艇水下定位误差修正方法。
- The analysis results show that in typical cases the range positioning error of the radar-theodolite joint positioning model is basically equivalent to radar range finding error. 其结果表明，在典型情况下雷达经纬仪联合定位模型距离定位误差与雷达测距误差基本相当。
- The positioning error for cableway and theodolite methods is derived and analyzed in detail and the methods for reducing positioning error are pointed out. 本文对断面索法和经纬仪测角交会法的定位误差进行了较详细的推导和分析,并指明了减小定位误差的途径。
- Based on error transformation analysis on multi body system, a synthetic model for positioning error which includes geometric error, load error and thermal error is discussed in this paper. 文章在分析多体系统基本变换的基础上，建立了计及几何误差，载荷误差和热变形误差的机床空间综合误差计算模型。
- The results of the experiment show that the circle area of the inverse distance weighting is similar to the improved inverse distance weighting in interpolating signal strength and positioning error. 经过实验结果发现，我们提出的圆形区域距离反比权重式内插演算法，和改善式距离反比权重式内插演算法，在讯号强度误差和定位误差，有相似的结果。
- This means the time delay between the transmitter and the receiver is larger than the time delay between them in the condition that the sound ray is straightaway, then positioning error is caused. 海洋中声速分布是不均匀的，因此由于折射效应，声音在海洋信道传播过程中其声线是弯曲的，声线弯曲意味着声信号从发射点到接收点的传播时延大于声信号直线传播的时延，致使定位产生误差。
- To solve this problem,a map-matching method is introduced,which uses a digital road map to correct the position error. 应用数字化道路图的地图匹配算法可以解决这一问题。
- It is convenient and fast to measure thevolumetric positioning errors including 3 displacement errors, 6straightness errors and 3 squareness errors. 该方法可以方便而快速地检测出机床的空间定位精度,包括3个定位误差、6个直线度误差和3个垂直度误差;
- Test results show that the DCSS has good dynamic stability and lest position error by using position-velocity closed loop control. 实验表明，以位置、速度双闭环控制的 全数字式直流伺服系统具有良好的动态稳定性和很高的定位精度。
- The mathematical model between position error and north seeking error is gotten through error theory and partial derivative principle. 运用误差理论和偏导数原理，推导出转位误差与寻北误差二者之间的关系模型。
- The fuzzification step categorizes the position error into five fuzzy variables, and the slope error into three fuzzy variables. 模糊化步骤把位置误差分成5个模糊变量，而把斜率误差分成3个模糊变量。
- It is set up a calculating model of which simplifies workpiece position error calculating within the machine tool's fixture. 得出简化工件在机床夹具中的定位误差的计算方法。
- It is including the structure of system, algorithm of system, processing of positioning errors, making of electronic map, some problems in application and the way of processing. 研究了系统的组成，系统的算法，定位误差的处理，电子地图的制作，以及系统在实际应用时出现的具体问题和处理方法。
