GB/T 34089-2017Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS (English PDF)
VHF/UHF无线电监测测向系统开场测试参数和测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 31, 2017
Implementation date
November 1, 2017
Scope
GB/T 34089-2017 is the English-translated version of VHF/UHF无线电监测测向系统开场测试参数和测试方法.
GB/T 34089-2017 is the Chinese standard "Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS".
Its scope clause reads: This standard specifies the test conditions VHF/UHF radio monitoring and direction system opening test, test settings and test parameters and parties Method, including monitoring system monitoring sensitivity, monitoring system field strength measurement accuracy, monitoring system frequency measurement accuracy, monitoring system identification signal Force, direction finding system directional sensitivity, direction finding system directional accuracy, direction finding system in-band immunity, direction finding system intermodulation suppression and system to momentary Signal monitoring, direction finding ability and so on.
This standard applies to the VHF/UHF band radio monitoring and direction system opening test, including the mobile monitoring and direction system, may Moving monitoring and direction finding system, fixed monitoring and direction finding system parameters measurement and in-motion monitoring and direction finding system, Parameter verification.
This standard does not apply to fixed monitoring and direction finding system after a fixed installation site test. Its clauses include terms and definitions, abbreviations.
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Document preview — GB/T 34089-2017
National Standard of the People's Republic of China
- ICS
- 33.060
- Classification
- M 36
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions, Abbreviations
- 3.1 Terms and definitions
- 3.2 Abbreviations
- 4 test conditions
- 4.1 Test Environment Requirements
- 4.2 test system and requirements
- 4.3 test site requirements
- 4.4 working frequency
- 5 test settings
- 5.1 Test frequency selection
- 5.2 The choice of bearing interval
- 5.3 The measured system status
- 6 test method
- 6.1 Overview
- 6.2 monitoring system monitoring sensitivity
- 6.3 monitoring system field strength measurement accuracy
- 6.4 Monitoring System Frequency measurement accuracy
- 6.5 Monitoring System Identification Signal Capability
- 6.6 Direction Finding System Direction Finding Sensitivity
- 6.7 direction finding system accuracy
- 6.8 Direction finding system In-band immunity
- 6.9 Direction Finding System Intermodulation Suppression
- 6.10 system of instantaneous signal monitoring, direction finding ability
- References
1 Scope
This standard specifies the test conditions VHF/UHF radio monitoring and direction system opening test, test settings and test parameters and parties
Method, including monitoring system monitoring sensitivity, monitoring system field strength measurement accuracy, monitoring system frequency measurement accuracy, monitoring system identification signal
Force, direction finding system directional sensitivity, direction finding system directional accuracy, direction finding system in-band immunity, direction finding system intermodulation suppression and system to momentary
Signal monitoring, direction finding ability and so on.
This standard applies to the VHF/UHF band radio monitoring and direction system opening test, including the mobile monitoring and direction system, may
Moving monitoring and direction finding system, fixed monitoring and direction finding system parameters measurement and in-motion monitoring and direction finding system,
Parameter verification. This standard does not apply to fixed monitoring and direction finding system after a fixed installation site test.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 25003-2010 Electromagnetic Environmental Protection Requirements and Test Methods for Radio Monitoring Stations in VHF/UHF Bands
3 Terms and Definitions, Abbreviations
3.1 Terms and definitions
The following terms and definitions apply to this document.
3.1.1 Openareatestsite
Flat, open, uniform conductivity, without any reflector test site.
3.1.2 Radio monitoring and direction system
A test system consisting of a radio monitoring system and a radio direction finding system for radio spectrum monitoring and direction finding.
3.1.3 Monitoring system spectrum discovery sensitivity
Under the condition of stipulating working mode and working bandwidth, the monitoring system obtains a certain carrier-noise ratio through the spectrum function provided by the system
The required opening signal field strength.
3.1.4 Directional system
When the system receives more than one large signal, the DF system suppresses the non-linearities that cause the intermodulation signal.
3.1.5 Minimumsignalduration of signal minimum dwell time
The minimum signal dwell time required for the monitoring system to properly capture the target signal and the direction finding system to achieve a target […]
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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.
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