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Requirements and test methods for performance of navigation antenna for BeiDou navigation satellite system
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Basic data
| Standard ID | GB/T 46458-2025 (GB/T46458-2025) |
| Description (Translated English) | Requirements and test methods for performance of navigation antenna for BeiDou navigation satellite system |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | M50 |
| Classification of International Standard | 33.200 |
| Word Count Estimation | 38,375 |
| Date of Issue | 2025-10-05 |
| Date of Implementation | 2026-02-01 |
| Issuing agency(ies) | State Administration for Market Regulation and Standardization Administration of China |
GB/T 46458-2025: Requirements and test methods for performance of navigation antenna for 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.
ICS 33.200
CCSM50
National Standards of the People's Republic of China
Beidou Satellite Navigation System Navigation Antenna
Performance Requirements and Test Methods
Published on 2025-10-05
Implemented on February 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of contents
Preface III
1.Scope 1
2 Normative References 1
3.Terms and Definitions, Abbreviations 1
3.1 Terms and Definitions 1
3.2 Abbreviations 3
4.Classification and Composition 3.
4.1 Classification 3
4.2 Composition 3
5 Requirements 3
5.1 Antenna Performance 3
5.2 Low-noise amplifier performance 4
5.3 Environmental adaptability 5
5.4 Electromagnetic Compatibility 5
5.5 Physical Properties
6.Test Methods
6.1 Test Conditions
6.2 Antenna Performance 8
6.3 Low-noise amplifier performance 19
6.4 Environmental adaptability 23
6.5 Electromagnetic compatibility 24
6.6 Physical properties 25
Appendix A (Informative) Operating Frequency Bands of BeiDou Satellite Navigation System Navigation Antennas 27
Appendix B (Informative) Multi-probe spherical near-field testing 28
B.1 Test Instructions 28
B.2 Test System 28
B.3 Test Flowchart 28
B.4 Test Step 29
B.5 Data Processing 29
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed and is under the jurisdiction of the Ministry of Industry and Information Technology of the People's Republic of China.
This document was drafted by. Jiaxing Jiali Electronics Co., Ltd., Shenzhen Huaxin Antenna Technology Co., Ltd., and China Electronics Technology Group Corporation.
The 36th Research Institute and Guilin University of Electronic Technology.
The main drafters of this document are. Xu Guangcheng, Ge Weiping, Zhang Jie, Zhao Danhua, Sun Xiyan, Luo Jianfeng, Wang Xiaohui, Zhang Guangsheng, and Ji Yuanfa.
Pan Jiexia.
Beidou Satellite Navigation System Navigation Antenna
Performance Requirements and Test Methods
1 Scope
This document specifies the performance requirements for navigation antennas of the BeiDou Navigation Satellite System and describes the corresponding test methods.
This document applies to the design, production, use, and testing of navigation antennas for the BeiDou Navigation Satellite System (hereinafter referred to as "navigation antennas").
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 2423.1 Environmental testing of electronic and electrical products – Part 2.Test methods – Test A. Low temperature
GB/T 2423.2 Environmental testing of electronic and electrical products – Part 2.Test methods – Test B. High temperature
GB/T 2423.3 Environmental testing – Part 2.Test methods – Test Cab. Constant damp heat test
GB/T 2423.5 Environmental testing – Part 2.Test methods – Test Ea and guidelines. Impact
GB/T 2423.7 Environmental Testing - Part 2.Test Methods - Test Ec. Shocks caused by rough handling (mainly for equipment types)
sample)
GB/T 2423.10 Environmental testing – Part 2.Test methods – Test Fc. Vibration (sine wave)
GB/T 2423.17 Environmental testing – Part 2.Test methods – Test Ka. Salt spray
GB/T 4208-2017 Degrees of protection provided by enclosures (IP code)
GB/T 9390 Navigation Terminology
GB/T 17626.2-2018 Electromagnetic compatibility testing and measurement techniques - Electrostatic discharge immunity test
GB/T 17626.5-2019 Electromagnetic compatibility testing and measurement techniques - Surge (impulse) immunity test
GB 50826-2012 Technical Specification for Electromagnetic Anechoic Chamber Engineering
3.Terms and definitions, abbreviations
3.1 Terms and Definitions
The terms and definitions defined in GB/T 9390 and the following terms and definitions apply to this document.
3.1.1
With the antenna phase center as the origin of the coordinate system and the antenna axis as the Z-axis, in a plane passing through the origin and perpendicular to the Z-axis, select a certain direction.
The direction is taken as the antenna reference direction, with this direction as the X-axis, and the axis passing through the origin and perpendicular to both the Z-axis and X-axis as the Y-axis. The X, Y, and Z axes form the [missing information - likely a reference point or axis].
Right-handed coordinate system.
Note. Antenna coordinates often use spherical coordinates. The angle between the projection of the line connecting any point P on the sphere and the origin O onto the XOY plane and the X-axis is φ.
The angle between OP and the Z-axis is the antenna pointing angle θ, and the angle between OP and the XOY plane is the antenna elevation angle. θ and the antenna elevation angle are complementary angles, as shown in Figure 1.
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