Point by point comparison method is the interpolation method commonly used in open_loop NC System. The elemental principles of point by point comparison method and the improvements of linear interpolation and circular interpolation have been introduced,as
马斌.逐点比较法的改进及软件实现[J].重庆工商大学学报(自然科学版),2002,(2): MA Bin. Improvement of Point by Point Comparison Method and Implementation of Software[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2002,(2):