查询词典 measuring error

To fulfill the need of the application of RP technique in medical domain, reverse CAD modeling from medical cross sections is systematically studied in this dissertation. Firstly, Some algorithms related to the research of this dissertation are studied. New algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for B-spline curve and a theorem regarding the termination criterion for subdivision of triangular Bézier patch are proposed. Then based on similarity between contours of adjacent sections, a methodology for surface reconstruction from cross sections is presented. Finally, a virtual measuring method is proposed.

本文针对RP技术在医学领域应用的需要，系统研究了基于医学断层轮廓数据的反求CAD建模理论和方法：(1)在基础算法研究部分，提出了简单多边形方向及点在多边形内外判断的新方法、三角Bézier曲面片离散的误差控制定理和一种带误差约束的B样条曲线的自动光顺方法；(2)提出了一种基于相邻层轮廓相似性的医学断层轮廓数据曲面重构方法；(3)提出了一种称为"虚拟测量"的曲面模型处理方法。

By measuring the radius of the standard former which matches the spherometer in the ZYGO interferometer and the CXM100-2W interferometer, use its results to adjust the measure-ring's diameter. We discussed the error source of the spherometer measurements.

针对实验室球径仪长期使用后测量环磨损的问题，提出了利用数字波面干涉仪来标定球径仪的方法，通过测量出球径仪所配的标准样板的曲率半径，来校正球径仪的测量环半径，分析了球径仪测量的误差来源。

The influence of aberration on measuring sensitivity in critical-angle method of total reflection for focus error detection was described.

摘要分析了在临界角方法探焦技术中像差对测量灵敏度的影响。

This paper analyzed the influence of the vertical axis tilt error of total station on angle measuring,and put forth the corresponding methods.

分析了全站仪竖轴倾斜误差对测角的影响，并提出了相应的解决办法；介绍了补偿器的原理；指出了在实际工作中如何正确使用全站仪以减少竖轴倾斜误差对测量结果的影响。

A method of measuring contrate involute errors of double gears, gear shapers and gear shavers on the CZ450 gear integrated error tester using the polar coordinate method is introduced.

介绍了在CZ45 0齿轮整体误差测量仪上利用极坐标法测量双联齿轮、插齿刀和剃齿刀的端面渐开线齿形的方法，从而扩展了CZ45 0的测量功能。

Methods:Explain the difference between power and vertex power from basic definitions of optics, and analyze the measuring principle and error of focimeter.

从光学的基础定义出发，阐述光焦度和顶焦度的差别，并对焦度计的测量原理和误差进行正确分析。

Research on noncoplanar error in the intersection measuring target with line array CCDs［J］.

线阵CCD交汇测量靶中非共面误差的研究［J］。

In view of this problem,a parameter extremum optimization model is developed,in which such error factors as the decaying DC components,nonsynchronous sampling and harmonics are precisely depicted.A new measuring method based on the hybrid genetic algorithmis developed to use this model for finding accurate power system parameters such as the amplitude,phase,frequency and harmonics.

针对这一问题，建立了电力参数极值优化模型，同时对衰减直流分量、非同步采样及谐波等多个误差参数加以精确表示，利用混合遗传算法对该模型进行求解，可得到准确的系统幅值、相位、频率及谐波等电力参数。

Basing on theory analysis and computer simulation,the method of a parabolical curve interpolation is applied to correct this error, and this metmhod is also realized with a microcomputer in a TV tracking measuring system.

本文在理论分析、计算机仿真基础上提出用抛物曲线插值方法对该项误差进行校正，并用微机在一电视跟踪测量系统中实观。

Furthermore, we have analyzed and deduced anothergroup of error formulas for measuring planeness of large terrace byother two methods

并对其它两种方法测量平面度的误差亦进行了分析和数学公式的推导。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。