Standard number: QX/T 502-2019
Standard name: Technical requirements of ionospheric scintillation monitor
English name: Technical requirements of ionospheric scintillation monitor
Standard format: PDF
Release time: 2019-09-30
Implementation time: 2020-01-01
Standard size: 776K
Standard introduction: This standard is drafted in accordance with the rules given in GB/T1.1-2009
This standard is proposed by the National Satellite Meteorology and Space Weather Standardization Technical Committee (SAC/TC347) and is under the jurisdiction of this standard drafting unit: National Satellite Meteorological Center (National Space Weather Monitoring and Early Warning Center) The main drafters of this standard: Mao Tian, Yu Chao, Wang Yungang, Shan Haibin
This standard specifies the composition, functional requirements, performance requirements, equipment environmental adaptability requirements, etc. of ionospheric scintillometers. This standard applies to the research and development, design and production, equipment selection, station network construction and acceptance evaluation of ionospheric scintillometers. Note: The ionospheric scintillometers in this standard include ionospheric scintillometers based on global navigation satellite system signals, ionospheric scintillometers based on geostationary meteorological satellite signals, and ionospheric scintillometers based on polar-orbiting meteorological satellite signals.
2 Normative reference documents
The following documents are indispensable for the application of this document. For any dated referenced document, only the dated version applies to this document. For any undated referenced document, its latest version (including all amendments) applies to this document
QX/T285-2015 Ionospheric scintillation index data format
The following terms and definitions apply to this document
Ionospheric scintillation
The phenomenon of rapid fluctuations in amplitude or phase when a radio wave signal passes through the ionosphere.
Note: Rewrite QX/T285-2015, definition 3.2
Amplitude scintillation index
The index of amplitude variation of a radio wave signal passing through the ionosphere within a certain time interval.
Note: Rewrite QX/T285-2015, definition 3.1
The standard specifies the composition, functional requirements, performance requirements, equipment environmental adaptability requirements, etc. of the ionospheric scintillometer. This standard applies to the research and development, design and production, equipment selection, station network construction and acceptance evaluation of ionospheric scintillometers. Note: The ionospheric scintillometers in this standard include three types: ionospheric scintillometers based on global navigation satellite system signals, ionospheric scintillometers based on geostationary meteorological satellite signals, and ionospheric scintillometers based on polar-orbiting meteorological satellite signals.
Some standard content:
ICS07.060 Meteorological Industry Standard of the People's Republic of China QX/T502—2019 Technical requirements of ionospheric scintillation monitor Industry Standard Information Service Platform Released on September 30, 2019 China Meteorological Administration Implementation on January 1, 2020 Industry Standard Information Service Platform Normative reference documents Terms and definitions Functional requirements Performance requirements Equipment environmental adaptability requirements Reliability, maintainability and life Technical data and spare parts References· QX/T502—2019 Industry Standard Information Service Platform Industry Standard Information Service Platform This standard was drafted in accordance with the rules given in GB/T1.1—2009. QX/T502—2019 This standard is proposed and managed by the National Technical Committee for Satellite Meteorology and Space Weather Standardization (SAC/TC347). Drafting unit of this standard: National Satellite Meteorological Center (National Space Weather Monitoring and Early Warning Center) Main drafters of this standard: Mao Tian, Yu Chao, Wang Yungang, Shan Haibin. Industry Standard Information Service Platform Industry Standard Information Service Platform 1 Scope Technical requirements for ionospheric scintillometer QX/T502—2019 This standard specifies the composition, functional requirements, performance requirements, equipment environmental adaptability requirements, etc. of ionospheric scintillometers. This standard applies to the research, development, design, production, equipment selection, station network construction and acceptance evaluation of ionospheric scintillometers. Note: In this standard, ionospheric scintillometers include three types: ionospheric scintillometers based on global navigation satellite system signals, ionospheric scintillometers based on geostationary meteorological satellite signals, and ionospheric scintillometers based on polar-orbiting meteorological satellite signals. 2 Normative references The following documents are indispensable for the application of this document. For all dated references, only the dated version applies to this document. For all undated references, the latest version (including all amendments) applies to this document. QX/T2852015 Ionospheric scintillation index data format 3 Terms and definitions The following terms and definitions apply to this document. 3.1 Ionospheric scintillation ionospheric scintillation The phenomenon that the amplitude or phase of a radio wave signal fluctuates rapidly when it passes through the ionosphere. Note: Rewrite QX/T285-2015, definition 3.2. 3.2 amplitude scintillation index amplitude scintillation index The index of amplitude variation of a radio signal passing through the ionosphere within a certain time interval. Note: Rewrite QX/T285-2615, definition 34. 3.3 phase scintillation index phase scintillatic ader Smart Service Platform The index of position variation of a radio wave signal passing through the ionosphere within a certain time interval. Note: Rewrite QX/T285-2015. definition 3.5. 3.4 total electroncontent;TEC [Ionosphere] Total electron content [Ionosphere] Electron column content [[Ionosphere] Electron integral content Integral of electron density along height [QX/T252—2014, Definition 2.27] 4 Composition Usually, the ionospheric scintillometer includes five parts: ionospheric scintillation receiver, antenna, ionospheric scintillation data processing software, data processing and storage computer 1 QX/T502—2019 and uninterruptible voltage stabilized power supply. Functional requirements The ionospheric scintillometer should have the following functions: 5.1 It should automatically obtain the year, month, day, hour, minute, ionospheric scintillator beacon source, satellite number, satellite elevation angle, satellite azimuth, longitude and latitude of the 350km single-layer model puncture point of the ionosphere, amplitude scintillation index, phase scintillation index, corrected amplitude scintillation index, and signal-to-noise ratio of the observation time in the universal time system; It should have the ability to automatically synchronize, receive, calculate, store, transmit, and display on a graphical interface in real time; b It should be able to store observation and product data of no less than 1 year. 2The ionospheric scintillometer based on the global navigation satellite system should have the ability to calculate the ionospheric TEC. 5.2 5.3The data storage format of the ionospheric scintillometer should be implemented in accordance with QX/T285-2015. 6 Performance requirements The main technical indicators of the ionospheric scintillometer based on global navigation satellite system signals are shown in Table 1. Main technical indicators of the ionospheric scintillometer based on global navigation satellite system signals Performance Received signal Number of receiving channels Signal capture sensitivity Signal tracking sensitivity Carrier phase measurement accuracy Pseudorange measurement accuracy S. Observation accuracy 6 Observation accuracy Measurement accuracy of absolute TEC Measurement accuracy of relative TEC S Monitoring capability Time synchronization accuracy Basic observation data Sampling rate Observation output time interval St and a, output time intervalbzxz.net should at least include Global Positioning System (GPS) L1, L2. GLONASS (GLONASS) L1, L2 Beidou Satellite Navigation System (BDS) BI, B2 GPSL1:-170dBW:GPSL2:-167dBW;GLONASSL1:-167dBW;GLO-NASSL2:-167dBW;BDSB1:-167dBW;BDSB2:-167dBWGPSLI:-182dBW;GPSL2:-176dBW;GLONASSL1:-176 dBW;GLO NASSL2:176dBW;BDSB1:-178dBW;BDSB2:178dBW1%wavelength Information service level Better than 0.05 Carrier phase observation value, pseudorange, carrier-to-noise ratio, time ≥50Hz Adjustable from 0.02s to 1min Adjustable from 1s to 1min Should be equipped with an antenna with multipath suppression capability Note: dBW is the unit for expressing the absolute value of power, 1dBW=10X1gW; the measurement accuracy unit of TEC is TECU.1TECU=1X101m=3g is the gravity acceleration.1g~9.8m/s The main technical indicators of the ionospheric scintillometer based on geostationary meteorological satellite signals are shown in Table 2. Received signal Working frequency S.Observation accuracy 0Observation accuracy StMonitoring capability Basic observation data Basic observation sampling rate Main technical indicators of ionospheric scintillometer based on geostationary meteorological satellite signals QX/T502—2019 FY-2 meteorological satellite and Fengyun-4 meteorological satellite (FY-4) business telemetry signal 1702.5MHz.2290MHz better than 0.1 better than 0.05 carrier phase observation value, signal power should have network port, serial port and other communication interfaces g is gravity acceleration, 1g~9.8m/s The main technical indicators of the ionospheric scintillometer based on polar-orbiting meteorological satellite signals are shown in Table 3. Received signal Working frequency Antenna G/T S4 observation accuracy S4 monitoring capability Tracking accuracy Basic observation data Basic observation update rate Main technical indicators of ionospheric scintillometer based on polar-orbiting meteorological satellite signals Earth Observation System (EOS)/NOAA satellite (NOAA)/National Polar-orbiting Operational Environmental Satellite (NPP) and Fengyun-3 meteorological satellite (FY-3) signal segment 7750MHz~7850MHz.8025MHz~8400MHz serial number 698MHz~1710MHz Information service platform X band ≥2d/k L band: ≥12db/K Better than 0.1 Better than 0.1 times the main lobe width of the receiving antenna beamSignal power ≥50Hz Should have network port, serial port and other communication interfaces g is the acceleration of gravity, 1g~9.8m/s QX/T502-—2019 Equipment environment adaptability requirements Outdoor equipment environment adaptability requirements See Table 4. Detection environment Working temperature Relative humidity Wind resistance Other defense capabilities Indoor equipment environmental adaptability requirements See Table 5. Power supply Working temperature Relative humidity Outdoor equipment environmental adaptability requirements The site is wide and flat, with no tall shelters nearby and no strong electromagnetic interference sources-40℃~+80℃ Less than or equal to 100% Average wind speed is greater than or equal to 30m/s Anti-dust, anti-salt fog, anti-lightning, waterproof and anti-mildew Indoor equipment environmental adaptability requirements AC 22 0V (+22V, -33V), 50Hz±3Hz0℃~+40℃ Less than or equal to 100% Other defense capabilities Industry standards Reliability, maintainability and lifespan Anti-salt spray, lightning protection, waterproof and mildew-proof The average trouble-free working time of the ionospheric scintillometer should be greater than 500h: in the service level 8.2 The ionospheric scintillometer should adopt a modular structure as much as possible for maintenance. Under the condition that the cause of the fault is determined and the spare parts are complete, the average fault repair time of the ionospheric scintillometer should be less than 1h. 8.3 The design life of the equipment should be greater than 5 years. 9 Technical data and spare parts The ionospheric scintillometer should be equipped with complete technical documentation, including instructions for use, working principle diagram, circuit diagram, operation process, notes9.1 , installation and commissioning methods and maintenance guide, etc., to ensure the correct installation and normal operation of the equipment. 9.2 The ionospheric scintillometer should be equipped with at least 3 consumable components and necessary spare parts and lists when leaving the factory, and equipped with special installation and commissioning tools and instruments. [1]]QX/T252—2014 Ionospheric Terminology References QX/T502—2019 Industry Standard Information Service Platform People's Republic of China Industry Standard Meteorological Industry Standard Technical Requirements for Ionospheric Scintillometer QX/T502—2019 No. 46, Zhongguancun South Street, Hai District, Beijing Postal Code: 0081 Service Platform Website: http://ww.qxgcom Distribution Department: 010-68408042 Printed by Beijing Zhongke Printing Co., Ltd. Format: 880mmX1230mm First edition in October 2019 Printing sheet: 0.75 First printing in October 2019 Book number: 135029-6089 If there is any printing error Price: 15.00 yuan Replaced by the distribution department of this company Copyright reserved Infringement must be investigated Report phone: (010)68406301 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.