标准摘要
[中文适用范围]： 本文件规定了用于表面轮廓过滤的线性高斯滤波器。特别地，它定义了如何分离表面轮廓的大尺度和小尺度横向成分。针对闭合轮廓提出的概念适用于圆度过滤的情况。在适当的情况下，这些概念可以扩展到广义的闭合轮廓，特别是具有凹陷特征的表面轮廓。附录A给出了开轮廓的实现细节，附录B给出了闭合轮廓的实现细节。 [外文原描述]： This document specifies linear Gaussian filters for the filtration of surface profiles. It defines, in particular, how to separate large- and small-scale lateral components of surface profiles. The concept presented for closed profiles are applicable to the case of roundness filtration. Where appropriate, these concept can be extended to generalized closed profiles, especially for surface profiles with re-entrant features. Implementation details are given in Annex A for open profiles and Annex B for closed profiles.
英文名称Geometrical product specifications (GPS) — Filtration — Part 21: Linear profile filters: Gaussian filters