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GB/T 34089-2017 English PDF

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GB/T 34089-2017: Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS
Status: Valid
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GB/T 34089-2017English359 Add to Cart 4 days [Need to translate] Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS Valid GB/T 34089-2017

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Basic data

Standard ID GB/T 34089-2017 (GB/T34089-2017)
Description (Translated English) Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M36
Classification of International Standard 33.060
Word Count Estimation 18,172
Date of Issue 2017-07-31
Date of Implementation 2017-11-01
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34089-2017: Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS


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Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS ICS 33.060 M36 National Standards of People's Republic of China VHF/UHF radio monitoring and direction system opening test Parameters and test methods 2017-07-31 Posted 2017-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and Definitions, Abbreviations 1 3.1 Terms and definitions 1 3.2 Abbreviations 2 4 test conditions 2 4.1 Test Environment Requirements 2 4.2 test system and requirements 2 4.3 test site requirements 3 4.4 working frequency 3 5 test settings 3 5.1 Test frequency selection 3 5.2 The choice of bearing interval 3 5.3 The measured system status 4 6 test method 4 6.1 Overview 4 6.2 monitoring system monitoring sensitivity 4 6.3 monitoring system field strength measurement accuracy 5 6.4 Monitoring System Frequency measurement accuracy 6 6.5 Monitoring System Identification Signal Capability 7 6.6 Direction Finding System Direction Finding Sensitivity 8 6.7 direction finding system accuracy 9 6.8 Direction finding system In-band immunity 10 6.9 Direction Finding System Intermodulation Suppression 12 6.10 system of instantaneous signal monitoring, direction finding ability 13 References 15

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents. This standard by the Ministry of Industry and Information Technology (Communications) centralized. This standard was drafted unit. National Radio Monitoring Center Testing Center, the National Radio Monitoring Center. The main drafters of this standard. Wang Jingli, Wang Aiju, Song column, Tao Hongbo, Xue Yonggang, Dai Xiaofang, Wang Junfeng, Zhang Sha, Cui Xiaoman, Zhao Yue, Liu Xinhao, Yin Yu Ang, Yan Su, Zhang Ke. VHF/UHF radio monitoring and direction system opening test Parameters and test methods

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 radiomonitoringanddirectionfindingsystem 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 spetrumdiscoveryingsensitivityofmonitoringsystem 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 intermodulationrejectionofdirectionfindingsystem 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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