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GB/T 42557-2023: Technical specifications of electromagnetic environmental protection for radio telescopes
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 42557-2023 | English | 359 |
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Technical specifications of electromagnetic environmental protection for radio telescopes
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GB/T 42557-2023
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PDF similar to GB/T 42557-2023
Standard similar to GB/T 42557-2023 JJF 2080 JT/T 1458 JJG 1193 GB/T 39847 Basic data | Standard ID | GB/T 42557-2023 (GB/T42557-2023) | | Description (Translated English) | Technical specifications of electromagnetic environmental protection for radio telescopes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | M35 | | Classification of International Standard | 07.040 | | Word Count Estimation | 17,174 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42557-2023: Technical specifications of electromagnetic environmental protection for radio telescopes
---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.
ICS 07:040
CCSM35
National Standards of People's Republic of China
Technical specification for radio telescope electromagnetic environment protection
radiotelescopes
Released on 2023-05-23
2023-12-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions, Abbreviations 1
3:1 Terms and Definitions 1
3:2 Abbreviations 2
4 Electromagnetic environment protection technical requirements 2
4:1 Protection threshold 2
4:2 Allowable Data Loss 2
5 Spectrum sharing methods 2
6 Electromagnetic environment protection measurement conditions 2
6:1 Measurement environment 2
6:2 Measuring equipment 2
7 Electromagnetic environment protection measurement method 3
7:1 Measurement frequency range 3
7:2 Measurement method 3
7:3 Measurement report 4
Appendix A (Informative) Calculation Method of Harmful Interference Protection Threshold for Radio Telescope 5
Appendix B (informative) Radio telescope spectrum sharing method 10
Appendix C (Informative) Calculation Method for Sensitivity of Electromagnetic Environment Measurement System 11
Reference 13
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Radio Interference Standardization Technical Committee (SAC/TC79):
This document was drafted by: National Astronomical Observatory of Chinese Academy of Sciences, National Radio Monitoring Center, Guizhou Radio Monitoring Station:
The main drafters of this document: Zhang Haiyan, Zhang Xiang, Huang Jia, Hu Hao, Huang Shijie, Gan Hengqian, Li Anping, Cui Xiaoman, Qian Zhaojun, Mo Kaiwei,
Wang Yu:
Technical specification for radio telescope electromagnetic environment protection
1 Scope
This document specifies the requirements for the protection of the electromagnetic environment of radio telescopes and describes the measurement of the electromagnetic environment of radio astronomy ground observation stations:
method:
This document is applicable to the electromagnetic environment measurement during the site selection, construction, operation and maintenance of radio astronomy ground observation stations:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 6113:101 Radio Disturbance and Immunity Measuring Equipment and Measurement Methods Specification Part 1-1: Radio Disturbance and Immunity
Measuring equipment Measuring equipment
3 Terms and definitions, abbreviations
3:1 Terms and Definitions
The following terms and definitions apply to this document:
3:1:1
wireless radio
A generic term used for radio waves:
3:1:2
Include a specific frequency band in the frequency allocation table, stipulating that the frequency band can be used for one or more terrestrial or space wireless networks under specified conditions:
used by the telecommunications service or the radio astronomy service:
3:1:3
radio astronomy radioastronomy
Astronomy based on the reception of radio waves originating in the universe:
3:1:4
Harmful interference harmful interference
Endanger the normal operation of radio navigation or other safety services, or seriously impair, hinder or repeatedly interrupt unmanned
Interference with radio communications services:
3:1:5
spectrum sharing
The state in which two or more radio services use the radio spectrum in the same frequency range:
3:1:6
power densitypower density
Transmitted power per unit area in a cross-section perpendicular to the direction of propagation of electromagnetic waves:
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