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GB/T 26958.28-2020Geometrical product specifications (GPS). Filtration - Part 28: Profile filters End effects (English PDF)

产品几何技术规范（GPS）滤波第28部分: 轮廓滤波器端部效应

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

December 14, 2020

Implementation date

July 1, 2021

Scope

GB/T 26958.28-2020 is the English-translated version of 产品几何技术规范（GPS）滤波第28部分: 轮廓滤波器端部效应.

GB/T 26958.28-2020 is the Chinese standard "Geometrical product specifications (GPS). Filtration - Part 28: Profile filters End effects".

Its scope clause reads: This part of GB/T 26958 gives a method to deal with the end effect of linear contour filters: This section is applicable to the filtering operation of surface profile analysis, and other finite-length signal filtering analysis occasions can be used as a reference:. Its clauses include terms and definitions.

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Document preview — GB/T 26958.28-2020

National Standard of the People's Republic of China

ICS: 17.040.20
Classification: J 04

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
1 Scope
2 Normative references
3 Terms and definitions
4 End effect correction method
5 Recommendation
Appendix A (Normative Appendix) GB/T 26958 series filters with automatic end effect correction
Appendix B (informative appendix) and the relationship between the filter matrix model
Appendix C (informative appendix) and GPS matrix model relationship

1 Scope

This part of GB/T 26958 gives a method to deal with the end effect of linear contour filters:

This section is applicable to the filtering operation of surface profile analysis, and other finite-length signal filtering analysis occasions can be used as a reference:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article

Pieces: For undated references, the latest version (including all amendments) applies to this document:

ISO 16610-1 Geometrical Product Specification (GPS) Filtering Part 1: Overview and Basic Concepts (Geometricalproduct specifications(GPS)-Filtration-Part 1:Overviewandbasicconcepts)

ISO 16610-20 Product Geometric Technical Specification (GPS) Filtering Part 20: Basic Concepts of Linear Contour Filter (Geo- metricalproductspecifications(GPS)-Filtration-Part 20:Linearprofilefilters:Basicconcepts)

ISO 16610-21 Product Geometrical Quantity Technical Specification (GPS) Filtering Part 21: Linear Contour Filter Gaussian Filter (Geometricalproductspecifications(GPS)-Filtration-Part 21:Linearprofilefilters:Gaussianfil- ters)

ISO 16610-22 Product Geometric Technical Specification (GPS) Filtering Part 22: Linear Contour Filter Spline Filter (Ge- ometricalproductspecifications(GPS)-Filtration-Part 22:Linearprofilefilters:Splinefilters)

ISO 16610-31 Product Geometric Technical Specification (GPS) Filtering Part 31: Robust Contour Filter Gaussian Regression Filter (Geometricalproductspecifications(GPS)-Filtration-Part 31:Robustprofilefilters:Gaussianre- gressionfilters)

ISO /T S16610-32 Product Geometric Technical Specification (GPS) Filtering Part 32: Robust Contour Filter Spline Filter (Geometricalproductspecifications(GPS)-Filtration-Part 32:Robustprofilefilters:Splinefilters)

ISO /IEC Guide 99 General Metrology Terms and Definitions [Internationalvocabularyofmetrology-Basicand generalconceptsandassociatedterms(VIM)]

3 Terms and definitions

ISO 16610-1, ISO 16610-20, ISO 16610-21, ISO 16610-22, ISO 16610-31, ISO /T S16610-32 and

The following terms and definitions defined in ISO /IEC Guide 99 apply to this document:

3:1

End effect endeffect

When the contour filter is opened, a non-trend change appears in the filter response at the end of the contour:

3:2

Endeffectregion

Areas where significant end effect appears at the end of the open profile:

GB/T 26641 | GB/T 28784.2 | GB/T 28619 | GB/T 26958.30 | GB/T 26958.20 | GB/T 26958.29 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 34 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 16610

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