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GB/T 38951-2020: S-VISSR data receiving system of geostationary meteorological satellites
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| GB/T 38951-2020 | English | 259 |
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S-VISSR data receiving system of geostationary meteorological satellites
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GB/T 38951-2020
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Basic data | Standard ID | GB/T 38951-2020 (GB/T38951-2020) | | Description (Translated English) | S-VISSR data receiving system of geostationary meteorological satellites | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 14,197 | | Date of Issue | 2020-07-21 | | Date of Implementation | 2020-07-21 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38951-2020: S-VISSR data receiving system of geostationary meteorological satellites---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.
S-VISSR data receiving system of geostationary meteorological satellites
ICS 07.060
A47
National Standards of People's Republic of China
Geostationary Meteorological Satellite S-VISSR Data Receiving System
2020-07-21 released
2020-07-21 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 1
4 System composition 1
5 Technical requirements 2
6 Test method 7
7 Inspection rules 8
8 Marking, packaging, transportation and storage 8
Reference 9
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Meteorological Administration.
This standard is under the jurisdiction of the National Satellite Meteorology and Space Weather Standardization Technical Committee (SAC/TC347).
Drafting organizations of this standard. National Satellite Meteorological Center, Beijing Huayun Xingditong Technology Co., Ltd.
The main drafters of this standard. Jia Shubo, Liang Yonglou, Sha Jin, Guo Xuexing.
Geostationary Meteorological Satellite S-VISSR Data Receiving System
1 Scope
This standard specifies the composition, technical requirements, test methods and inspection rules of the S-VISSR data receiving system for geostationary meteorological satellites, and
Marking, packaging, transportation and storage, etc.
This standard applies to the design, integration, installation, commissioning, inspection, and operation and maintenance of the S-VISSR data receiving system for geostationary meteorological satellites.
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 article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 2423.1-2008 Environmental testing of electric and electronic products Part 2.Test method Test A. Low temperature
GB/T 2423.2-2008 Environmental testing of electric and electronic products Part 2.Test method Test B. High temperature
GB 8898-2011 Audio, video and similar electronic equipment safety requirements
GB/T 11298.1 Satellite TV Earth Receiving Station Measurement Method System Measurement
GB/T 11298.2 Satellite TV Earth Receiving Station Measurement Method Antenna Measurement
GB/T 11298.3-1997 Satellite TV Earth Receiving Station Measurement Method Outdoor Unit Measurement
GB/T 11298.4-1997 Satellite TV Earth Receiving Station Measurement Method Indoor Unit Measurement
GB/T 11442-2017 C-band satellite TV receiving station general specification
GB 50174-2017 Data Center Design Specification
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Stretched VISSRdata; S-VISSR
The scanning radiometer (VisibleInfraredScanRadiome-) carried by the Fengyun-2 geostationary meteorological satellite obtained by the ground application system
ter, VISSR) 14Mbit/s original image data. After data processing, the transmission time is extended and the code rate is reduced to 0.66Mbit/s.
The satellite image data that has been programmed with calibration and positioning information, which is forwarded to users in real time via satellite.
3.2
Low noise downconverter lownoiseblockdownconverter; LNB
In the satellite communication system, it is used to convert the satellite radio signal transmitted by the feeder into a voltage and current signal, and perform amplification and down conversion
Special equipment to meet the needs of subsequent transmission and reception.
4 System composition
The S-VISSR data receiving system of the stationary weather satellite consists of an antenna, a high-frequency extension, a demodulator and a receiving and storing computer. Among them, high
The frequency divider consists of a band-pass filter and a low-noise down-converter. See the block diagram of the Fengyun-2 Geostationary Meteorological Satellite Extended Data Receiving System
figure 1.
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