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GB/T 39787-2021: Coordinate system of BeiDou navigation satellite system
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Coordinate system of BeiDou navigation satellite system
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GB/T 39787-2021
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Basic data | Standard ID | GB/T 39787-2021 (GB/T39787-2021) | | Description (Translated English) | Coordinate system of BeiDou navigation satellite system | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A75 | | Word Count Estimation | 14,134 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39787-2021: Coordinate system of BeiDou navigation satellite system---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Coordinate system of BeiDou navigation satellite system
ICS 07.040
CCSA75
National Standards of People's Republic of China
Beidou satellite navigation system coordinate system
Released on 2021-03-09
2021-10-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Terms, definitions and abbreviations 1
3.1 Terms and definitions 1
3.2 Abbreviations 2
4 Coordinate system definition 2
4.1 Origin, scale and orientation 2
4.2 Reference ellipsoid 3
4.2.1 General provisions 3
4.2.2 Define Constant 3
4.2.3 Special application constant 3
4.2.4 Other constants 4
4.3 Related main models and parameters 4
5 Beidou coordinate system realization requirements 4
5.1 General Concept 4
5.2 Requirements for Beidou Reference Station 4
5.3 Beidou Observation Data Requirements 4
5.4 Data processing requirements 5
6 Beidou reference frame maintenance and update requirements 5
6.1 Requirements for the maintenance of the Beidou reference frame 5
6.1.1 General Concept 5
6.1.2 Maintenance requirements 5
6.2 Beidou reference frame update requirements 5
6.2.1 General Concept 5
6.2.2 Update requirements 5
7 Coordinate conversion 6
7.1 Conversion type 6
7.2 Conversion model and requirements 6
7.3 Common point selection 6
Appendix A (normative) Derived geometric constant formula 8
Appendix B (normative) Derived physical constant formula 10
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents.
This document was proposed by the Equipment Development Department of the Central Military Commission.
This document is under the jurisdiction of the National Beidou Satellite Navigation Standardization Technical Committee (SAC/TC544).
Drafting organizations of this document. Xi'an Institute of Surveying and Mapping, Beijing Satellite Navigation Center.
The main drafters of this document. Wei Ziqing, Wu Fumei, Liu Li, Jiao Wenhai, Liu Ying, Zeng Anmin, Xu Junyi, Fang Liu, Ming Feng, Guo Rui, Li Xiaojie,
Wang Weijia.
Beidou satellite navigation system coordinate system
1 Scope
This document specifies the definition, implementation, maintenance and update requirements of the Beidou satellite navigation system coordinate system, as well as the Beidou satellite navigation system
Coordinate system and other geocentric coordinate system conversion method.
This document is applicable to the construction, operation and application of Beidou satellite navigation system.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 39267-2020 Beidou satellite navigation terminology
3 Terms, definitions and abbreviations
3.1 Terms and definitions
The following terms and definitions defined in GB/T 39267-2020 apply to this document.
3.1.1
International terrestrial reference frame; ITRF
The coordinates and velocities of a set of global geodetic observation stations used to realize the International Earth Reference System.
3.1.2
Reference ellipsoid
The size and shape are defined by the semi-major axis of the equator and the oblateness, which represents the spheroid of the earth and is positioned and oriented.
3.1.3
Earth's gravityfield
A collection of earth position, gravity, geoid (or similar geoid), vertical deviation, etc.
3.1.4
2000 China geodetic coordinate system Chinageodeticcoordinatesystem2000; CGCS2000
The geodetic coordinate system established by China. The origin of its coordinate system is at the center of mass of the earth, and the Z axis points to the International Earth Rotation Service (IERS)
The defined reference pole (IRP) direction, the X axis is the reference meridian (IRM) defined by IERS and the equatorial plane that passes through the origin and is orthogonal to the Z axis
The Y-axis meets the right-hand rule.
[Source. GB/T 39267-2020, 2.2.5]
3.1.5
BeiDou coordinate system; BDCS
Beidou satellite navigation system coordinate system coordinatesystemofBeiDounavigationsatelitesystem
The geodetic coordinate system adopted by the Beidou Satellite Navigation System (BDS). The definition of BDCS complies with the International Earth Rotation Service (IERS) specification,
Consistent with the definition of CGCS2000.
[Source. GB/T 39267-2020, 2.2.6, with modification]
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