ISO 16610-21:2011 Preview
Geometrical product specifications (GPS) -- Filtration -- Part 21: Linear profile filters: Gaussian filters
This standard was last reviewed and confirmed* in 2016.
*Therefore this version remains current
ISO 16610-21:2011 specifies the metrological characteristics of the Gaussian filter, for the filtration of profiles. It specifies, in particular, how to separate long and short wave components of a surface profile.