NF EN ISO 16610-21

NF EN ISO 16610-21

November 2012
Standard Cancelled

Geometrical product specifications (GPS) - Filtration - Part 21 : linear profile filters : gaussian filters

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.

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National standards and national normative documents

Publication date

November 2012

Number of pages

31 p.

Reference

NF EN ISO 16610-21

ICS Codes

17.040.20   Properties of surfaces
17.040.40   Geometrical Product Specification (GPS)

Classification index

E05-040-21

Print number

1 - 09/10/2012

International kinship

ISO 16610-21:2011

European kinship

EN ISO 16610-21:2012
Sumary
Geometrical product specifications (GPS) - Filtration - Part 21 : linear profile filters : gaussian filters

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.

Replaced standards (1)
NF EN ISO 11562
March 1998
Standard Cancelled
Geometrical Product Specifications (GPS). Surface texture : profile method. Metrological characteristics of phase correct filters.

Standard replaced by (1)
NF EN ISO 16610-21
February 2025
Standard Current
Geometrical product specifications (GPS) - Filtration - Part 21 : linear profile filters: Gaussian filters

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.

Table of contents
  • Avant-propos
    iv
  • Introduction
    VI
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    1
  • 4 Caractéristiques des filtres de profil gaussiens pour un profil ouvert
    2
  • 4.1 Fonction de pondération gaussienne pour un profil ouvert
    2
  • 4.2 Caractéristiques de transmission d'un profil ouvert
    3
  • 4.3 Effets de bord
    5
  • 5 Caractéristiques des filtres de profil gaussiens pour un profil fermé
    7
  • 5.1 Introduction
    7
  • 5.2 Fonction de pondération gaussienne pour un profil fermé
    7
  • 5.3 Caractéristique de transmission d'un filtre de profil fermé
    9
  • Annexe A (informative) Erreurs d'application pour les profils ouverts et fermés (algorithme de convolution)
    12
  • Annexe B (informative) Exemples
    19
  • Annexe C (informative) Relation avec la matrice de filtrage
    21
  • Annexe D (informative) Relation avec la matrice de GPS
    22
  • Bibliographie
    23
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