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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。
- 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;
- 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。
- 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。
- This paper studies the determination of geometry accuracy, positioning accuracy, and work accuracy in reconstruction of the CINCINNATI vertical machine center. The method of compensating for linear positioning errors is presented. 该文就CINCINNATI立式加工中心改造中的几何精度、定位精度、工作精度的校验进行了分析、探讨和研究;并对位置精度进行了线性系统的误差补偿.
- 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。
- Effects of the reference quantity deviation, probing and positioning errors on the accuracy of gear involute measurement by the polar coordinate measuring system are analyzed by the methodology. 从方法论的角度分析了极坐标法齿轮测量系统的标准量、瞄准、测微和定位误差对渐开线齿形测量精度的影响。
- 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。
- When machining a gear by using hobbing,the position errors between the tool and workpiece could occur. 滚齿加工中,滚刀与工件的相对位置会产生偏差。
- Numerical analysis and discussions of the position errors due to the joint clearances are given in the thesis. 将数值代入矩阵中,计算出因间隙而偏移的机构终点位置,讨论间隙对于机构的位置误差之影响。
- Meanwhile, The positioning errors of GPS and its correction models are discussed at length, Particularly the practical example with regard to satellitic ephemeris error is computed and analyzed.3. 同时,对GPS定位中的误差来源与改正模型进行了详细讨论,特别对GPS广播星历轨道误差进行了详细试验分析与研究。
- Carefulness insures you against errors. 谨慎细致可使你避免发生差错。
- To measure pinpoint accuracy dimensions and shape; position errors by comparative method, also can be used as indicators of pinpoint measuring apparatus. 用于比较测量高精度长度尺寸和形位公差,也可作为高精度测量仪器的指示表。
- With full testing conditions, the positional errors and the diameter error results obtained by beth methods are consistent. 在保证测试条件的前提下,两种方法所求得的刻线位置误差及由它得到的直径误差结果趋于一致。