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GB/T 38951-2020 English PDF

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US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 38951-2020: S-VISSR data receiving system of geostationary meteorological satellites
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38951-2020	259	Add to Cart	3 days	S-VISSR data receiving system of geostationary meteorological satellites	Valid

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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

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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 38951-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 38951-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 38951-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 38951-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.