GB/T 20147.1-2026 English, GB/T 20147.1-2026 Colorimetry—Part 1: CIE standard colorimetric observers (English)

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GB/T 20147.1-2026 Colorimetry—Part 1: CIE standard colorimetric observers (English)
Standard No.:	GB/T 20147.1-2026	Status:	valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	22000 words	Translation Price(USD):	660.0 remind me the price change Email:
Implemented on:	2026-4-30	Delivery:	via email in 1~8 business day

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Standard No.:	GB/T 20147.1-2026
English Name:	Colorimetry—Part 1: CIE standard colorimetric observers
Chinese Name:	色度学第1部分：CIE标准色度观察者
Chinese Classification:	K70 Electric lighting in general
Professional Classification:	GB National Standard
ICS Classification:	17.180.20 17.180.20 Colours and measurement of light 17.180.20
Source Content Issued by:	SAMR, SAC
Issued on:	2026-04-30
Implemented on:	2026-4-30
Status:	valid
Superseding:	GB/T 20147-2006 CIE standard colorimetric observers
Target Language:	English
File Format:	PDF
Word Count:	22000 words
Translation Price(USD):	660.0
Delivery:	via email in 1~8 business day

Standard

GB/T 20147.1-2026 Colorimetry—Part 1: CIE standard colorimetric observers (English)
Standard No.	GB/T 20147.1-2026
Status	valid
Language	English
File Format	PDF
Word Count	22000 words
Translation Price(USD)	660.0
Implemented on	2026-4-30
Delivery	via email in 1~8 business day

Detail of GB/T 20147.1-2026

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Introduction of GB/T 20147.1-2026

本文件规定了在色度学中使用的两组颜色匹配函数。
a) CIE 1931标准色度观察者颜色匹配函数
该组颜色匹配函数代表了在明视觉适应水平下,具有正常颜色视觉的观察者在视角约1°~4°的视场范围内的颜色匹配特性。
b) CIE 1964标准色度观察者颜色匹配函数
该组颜色匹配函数代表了在足够高的明视觉适应水平下,具有正常颜色视觉的观察者在视角大于约4°的视场内,且在光谱功率分布不引起视网膜杆体细胞感受器参与的条件下的颜色匹配特性。
本文件适用于发光色和非发光色的测量、计算、评价等。

Contents of GB/T 20147.1-2026


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