GB/T 37943-2019Test methods for BDS timing terminal (English PDF)
北斗卫星授时终端测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 30, 2019
Implementation date
December 1, 2019
Scope
GB/T 37943-2019 is the English-translated version of 北斗卫星授时终端测试方法.
GB/T 37943-2019 is the Chinese standard "Test methods for BDS timing terminal". Its scope clause reads: This standard specifies the classification, test conditions and test methods of the Beidou satellite timing terminal (hereinafter referred to as the timing terminal).
This standard applies to the design, production and inspection of the timing terminal using the Beidou satellite navigation system. Its clauses include terms and definitions.
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Document preview — GB/T 37943-2019
National Standard of the People's Republic of China
- ICS
- 33.200
- Classification
- M 50
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Abbreviations
- 5 Overview
- 5.1 coordinate system
- 5.2 Time System
- 6 timing terminal classification
- 7 Test conditions
- 7.1 Test Method
- 7.2 Test Environment
- 7.3 Test Equipment
- 8 Test Method
- 8.1 General Requirements Test
- 8.2 Functional Test
- 8.3 Performance Test
- 8.4 Interface Test
- 8.5 Environmental Adaptability Test
- 8.6 Electromagnetic Compatibility Test
- 8.7 Reliability Test
1 Scope
This standard specifies the classification, test conditions and test methods of the Beidou satellite timing terminal (hereinafter referred to as the timing terminal).
This standard applies to the design, production and inspection of the timing terminal using the Beidou satellite navigation system.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 2423.1 Environmental testing of electrical and electronic products - Part 2. Test methods Test A. Low temperature
GB/T 2423.2 Environmental testing of electrical and electronic products - Part 2. Test methods Test B. High temperature
GB/T 2423.3 Environmental testing - Part 2. Test method test Cab. constant damp heat test
GB/T 2423.10 Environmental testing of electric and electronic products - Part 2. Test method test Fc. Vibration (sinusoidal)
GB/T 2423.38-2008 Environmental testing for electric and electronic products - Part 2. Test methods Test R. Water test methods and guidelines
GB/T 17626.2-2018 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test
GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology RF electromagnetic field radiation immunity test
GB/T 17626.4-2018 Electromagnetic compatibility test and measurement technology Electrical fast transient burst immunity test
GB/T 17626.5-2008 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test
GB/T 17626.6-2017 Electromagnetic compatibility test and measurement technology Conducted disturbance immunity of RF field induction
GB/T 19391-2003 Global Positioning System (GPS) terms and definitions
GB/T 37937-2019 Beidou satellite timing terminal technical requirements
3 Terms and definitions
The following terms and definitions as defined in GB/T 37937-2019 and GB/T 19391-2003 apply to this document. For convenience
Use, some of the terms and definitions in GB/T 37937-2019 and GB/T 19391-2003 are repeated below.
3.1 Timing accuracy
Timing accuracy
The degree of deviation of the output time from the standard time.
[GB/T 37937-2019, definition 3.1]
3.2 Frequency accuracy
Outputs the relative deviation of the actual frequency value from its nominal value.
[GB/T 37937-2019, definition 3.2]
3.3 Frequency stability
The random fluctuation of the average frequency during the sampling time.
Note. Rewrite GB/T 12498-2012, definition 3.4.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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