GB/T 39410-2020 English PDF

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GB/T 39410-2020: (General specifications for low-orbit satellite-borne GNSS survey receivers)
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Basic data

Standard ID: GB/T 39410-2020 (GB/T39410-2020)
Description (Translated English): (General specifications for low-orbit satellite-borne GNSS survey receivers)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V04
Word Count Estimation: 22,241
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39410-2020: (General specifications for low-orbit satellite-borne GNSS survey receivers)

---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.
(General specifications for low-orbit satellite-borne GNSS survey receivers) ICS 49.020 V04 National Standards of People's Republic of China General specifications for low-orbit satellite-borne GNSS survey receivers 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

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 2 4 Requirements 3 4.1 Composition 3 4.2 Structure and appearance 3 4.3 Identification 3 4.4 Components and raw materials 3 4.5 Electromechanical Thermal Interface 4 4.6 Functional requirements 4 4.7 Performance requirements 5 4.8 Environmental adaptability requirements 7 4.9 Reliability 7 4.10 Security 7 4.11 Electromagnetic compatibility 7 5 Test method 8 5.1 Test environment conditions 8 5.2 Test equipment 8 5.3 Composition check 8 5.4 Structural and visual inspection 8 5.5 Identification check 8 5.6 Inspection of components and raw materials 8 5.7 Inspection of electromechanical thermal interface 8 5.8 Function test 9 5.9 Performance Test 9 5.10 Environmental adaptability test 13 5.11 Reliability check 13 5.12 Security check 13 5.13 Electromagnetic compatibility test 13 6 Inspection rules 13 6.1 Inspection classification 13 6.2 Identification and inspection 13 6.3 Delivery inspection 14 6.4 Inspection items and sequence 14 6.5 Judgment Rule 15 7 Marking, packaging, transportation and storage 15 7.1 Sign 15 7.2 Packaging 16 7.3 Transportation and storage 16 8 Instructions for use 16 8.1 Preparation of Instructions (Book) 16 8.2 Verification method for instructions 16 Appendix A (informative appendix) GNSS signal frequency and bandwidth 17 Appendix B (informative appendix) Typical number of low orbit tracks 18

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Equipment Development Department of the Central Military Commission. This standard is under the jurisdiction of the National Beidou Satellite Navigation Standardization Technical Committee (SAC/TC544). Drafting organizations of this standard. Aerospace Star Technology Co., Ltd., China Satellite Navigation Engineering Center, Beijing Space Vehicle General Design Department, China China Aerospace Standardization Institute, Beijing Oriental Metrology and Testing Institute, Aerospace Long March Rocket Technology Co., Ltd. The main drafters of this standard. Liu Yingna, Zhao Hongjuan, Zhao Wenliang, Dong Qijia, Wang Dun, Liu Ying, Jiang Kun, Huang Xiaorui, Lu Tiejun, Dong Haiqing, Summer, Wang Weijia. General specifications for low-orbit satellite-borne GNSS survey receivers

1 Scope

This standard specifies the technical requirements, test methods, and inspection rules for low-orbit satellite-borne Global Navigation Satellite System (GNSS) survey receivers And signs, packaging, transportation, storage, etc. This standard applies to the development, production, testing, use and inspection of low-orbit satellite-borne GNSS survey receivers. Others used in low-orbit space The GNSS measuring receiver of the device can also 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 document. For undated references, the latest version (including all amendments) applies to this document. GB/T 9969 General Rules for the Use of Industrial Products GB/T 32304 Electrostatic protection requirements for aerospace electronic products GB/T 39267 Beidou satellite navigation terminology GB/T 39268-2020 Low-orbit satellite-borne GNSS navigation receiver general specification QJ1417-1988 Reliability Derating Criteria for Components QJ1729A-1996 Space antenna test method QJ1947 Antenna Terminology QJ2266 Aerospace system electromagnetic compatibility requirements QJ2438 Spacecraft packaging technical requirements QJ20073 Satellite electromagnetic compatibility test requirements and methods 3 Terms and definitions, abbreviations 3.1 Terms and definitions The following terms and definitions defined in GB/T 39267 and QJ1947 apply to this document. 3.1.1 Capture sensitivity The receiver is turned on when the approximate position, approximate time, ephemeris and almanac are unknown, and the navigation signal is captured and the minimum required for normal positioning. Low signal level. 3.1.2 Antenna gain The ratio of the radiation intensity of an omnidirectional antenna when the radiation intensity of the antenna in a given direction is the same as the input power. Note 1.If the direction is not given, it refers to the direction of the maximum radiation intensity of the given antenna. Note 2.If the antenna has no loss, it means that the absolute gain of the antenna in a given direction is the same in value as its directivity coefficient. Note 3.Usually expressed in decibels. 3.1.3 Antenna phase center An electrical center of the antenna refers to the curvature of the curve where the isophase plane of the radiation field in the far area of the antenna intersects the plane passing through the antenna axis ......

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