选用Munsell新标数据集,采用基于模式识别技术的圆度、色相角偏差、明度线性度与空间投影点聚集度四个指标来分别评价目前八个典型......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Through the analysis of roundness error separation technique of three-point method and based on the invariability and pe......

根据高精度内孔圆柱度的测量要求,在现有长度检测仪器基础上,改装其测量装置,实现了大尺寸高精度内孔圆柱度的测量.试验结果表明,......

Recently, Coordinate Measuring Machines (CMMs) are widely used to measure roundness errors. Roundness is calculated from......