Taking rigid disk surface as an example, fractal parameters are obtained by means of power spectrum and structure function, providing a proper geometric model for further contact analysis.
实验结果表明，分形维数能很好地表征表面轮廓，可为进一步的接触分析提供更合理的几何模型。
On the basis of concrete analysis of the geometric feature parameters of the gauge, the measuring theory of the computer vision test system is suggested.
具体地分析了指针式仪表的几何特征参数，在此基础上提出指针式仪表视觉检测系统的测量原理。
Through motion analysis upon the indexing mechanism, the relationship between geometric parameters of mechanism and degree of index Angle was obtained.
通过对转位机构的运动分析，得出了机构的几何参数与转位角度大小之间的关系。
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