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ISO 16610-22-2015 pdf free
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ISO 16610-22-2015 pdf free.Geometrical product specifications (GPS) – Filtration 一 Part 22: Linear profile filters: Spline filters.
This part of Iso 16610 specifies spline filters for the filtration of profiles. It specifies in particular how to separate the long- and short-wave component of a profile.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 16610-1:2015, Geometrical product specifications (GPS) — Filtration — Part 1: Overview and basic terminology
ISO 16610-20:2015, Geometrical product specifications (GPS) — Filtration — Part 20: Linear profile filters:
Basic concepts
ISO/IEC Guide 99:2007, lnternational vocabulary of metrology — Basic and general concepts and associated terms (VIM)
ISO/IEC Guide 98-3:2008, Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO/IEC Guide 99:2007 (VIM), ISO 16610-1, and ISO 16610-20 and the following apply.
3.1 spline
linear combination of piecewise polynomials, with a smooth fit between the pieces
Note ito entry: The degree of the spline is equal to the degree of the polynomial of the highest degree used, e.g. a cubic spline is made of cubic polynomials.
3.2 cardinal spline
basic function of the space of splines (3.1) with infinite support
3.3 natural spline spline (1.1) which is a straight line beyond the end points
3.4 spllne profile filter linear profile filter based on splines (11)
Note ito entry: For the purposes of this part of ISO 16610, the result of the low-pass filtering is a spline.
4 Spline profile litters
4.1 General
For a spline filter to conform with this part of ISO 16610, It shall satisfy the filter equations given in 4.3.2. for open profiles, and 4.3.3. for closed profiles.
NOTE A comparison with Gaussian (lIters Is given in Annex B. and illustrative examples are given in Annex C. A concept diagram for the concepts of spline filters is given in Annex D. and the relationship to the filtration matrix model is given in AnnexE.ISO 16610-22 pdf download.


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