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GB/T 42646-2023: Arrangement and measurement of laser footprint detectors for the field calibration of spaceborne laser altimeter
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| GB/T 42646-2023 | English | 279 |
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Arrangement and measurement of laser footprint detectors for the field calibration of spaceborne laser altimeter
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GB/T 42646-2023
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Basic data | Standard ID | GB/T 42646-2023 (GB/T42646-2023) | | Description (Translated English) | Arrangement and measurement of laser footprint detectors for the field calibration of spaceborne laser altimeter | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | V75 | | Classification of International Standard | 49.020 | | Word Count Estimation | 13,154 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42646-2023: Arrangement and measurement of laser footprint detectors for the field calibration of spaceborne laser altimeter
---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 49:020
CCSV75
National Standards of People's Republic of China
Spaceborne Laser Altimeter Site Calibration Detector
Layout and measurement method
Released on 2023-05-23
2023-09-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General requirements 1
4:1 Measuring instruments 1
4:2 Measuring weather 2
4:3 Setting up the site 2
5 layout requirements 2
5:1 Requirements for layout of laser ground detectors 2
5:2 Layout requirements for laser corner reflectors 2
6 Measurement content 3
7 Measurement procedure 3
8 Measurement data processing method 3
9 Uncertainty analysis 4
9:1 Analysis step 4
9:2 Uncertainty factor 4
9:3 Uncertainty calculation formula 4
Appendix A (Informative) Layout Diagram 5
Appendix B (Informative) Record Form 6
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 content of this document may involve patents, and the issuing organization of this document does not undertake the responsibility for identifying patents:
This document is proposed and managed by the National Aerospace Technology and Its Application Standardization Technical Committee (SAC/TC425):
This document was drafted by: China Resources Satellite Application Center, China Siwei Surveying and Mapping Technology Co:, Ltd:, Aerospace Information Innovation of Chinese Academy of Sciences
Research Institute, Wuhan University, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Chinese Academy of Surveying and Mapping, Beijing Zhongkan Maipuke
Technology Co:, Ltd:, the Fourth Topographic Survey Team of the Ministry of Natural Resources, Xi'an Jiaotong University, Taiyuan University of Technology, and China Aerospace Standardization Institute:
The main drafters of this document: Han Qijin, Ma Lingling, Long Xiaoxiang, Li Jingmei, Li Song, Min Xiangjun, Xu Zhaopeng, Li Dacheng, Wang Yupeng, Li Qingpeng,
Chen Jun, Zeng Jian, Zhao Hang, Di Zhizhong, Ma Yue, Lian Zhipeng, Cui Lin, Zhang Xuewen, Li Xiaojin, Ma Xiuxiu, Du Xiaozheng, Zhao Yongguang, Zhao Yuanchun, Zhang Zexing,
Wu Yongliang:
Introduction
Affected by the launch process and external environmental factors on orbit, the laser pointing parameters and ranging parameters of the spaceborne laser altimeter will have certain differences:
Variety: In order to ensure the quality of the elevation data products of the subsequent ground processing system, it is necessary to carry out on-orbit calibration of the spaceborne laser altimeter to obtain accurate
The laser altimeter pointing angle and ranging parameter error correction coefficient:
The purpose of this document is to formulate scientific and feasible ground detector layout and operation rules for field calibration of spaceborne laser altimeter
Fan, to ensure that the ground laser detector can accurately capture the ground footprint information of the spaceborne laser altimeter, and provide reliable information for the on-orbit calibration of the spaceborne laser altimeter:
Rely on ground control information:
Spaceborne Laser Altimeter Site Calibration Detector
Layout and measurement method
1 Scope
This document specifies the general requirements, layout requirements, measurement content, and measurement procedures for spaceborne laser altimeter site calibration and ground detector measurement:
sequence, measurement data processing methods and uncertainty analysis:
This document is applicable to the layout and measurement of spaceborne laser altimeter site calibration ground detectors: Use of other similar ground detectors
The formula refers to the execution:
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 18314 Global Positioning System (GPS) measurement specification
GB 22021 National Geodetic Basic Technical Regulations
GB/T 34509:2-2017 On-orbit site radiometric calibration method for optical remote sensors of land observation satellites Part 2: Thermal infrared
3 Terms and Definitions
The following terms and definitions defined in GB 22021 apply to this document:
3:1
Laser ground detector groundlaserdetector
The photoelectric detection equipment that captures the laser footprint information emitted by the spaceborne laser altimeter on the ground:
3:2
Mounted on a satellite, it is an active detection lidar system that precisely measures the distance from the satellite to the earth's surface or the fluctuation of the earth's surface:
3:3
Calibration test site for correcting system errors of pointing angle and ranging value of spaceborne laser altimeter:
4 General requirements
4:1 Measuring instruments
4:1:1 Laser ground detectors
The laser ground detector is a photoelectric detection device used to capture the ground laser footprint information emitted by the spaceborne laser altimeter:
For calibration, the performance requirements are as follows:
a) The wavelength response range should cover the working band of the spaceborne laser altimeter;
b) The energy response range should cover the energy density within the ground footprint range of the spaceborne laser altimeter;
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