GB/T 41450-2022 English PDF

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GB/T 41450-2022: Technical specification of multi-sensor consistency testing for unmanned aerial vehicle(UAV) borne low altitude remote sensing monitoring
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Basic data

Standard ID: GB/T 41450-2022 (GB/T41450-2022)
Description (Translated English): Technical specification of multi-sensor consistency testing for unmanned aerial vehicle(UAV) borne low altitude remote sensing monitoring
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A75
Word Count Estimation: 26,221
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41450-2022: Technical specification of multi-sensor consistency testing for unmanned aerial vehicle(UAV) borne low altitude remote sensing monitoring

---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.
Technical specification of multi-sensor consistency testing for unmanned aerial vehicle (UAV) borne low altitude remote sensing monitoring ICS 07.040 CCSA75 National Standards of People's Republic of China Multi-sensor consistency for UAV low-altitude remote sensing monitoring Testing technical specifications Published on 2022-04-15 2022-04-15 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 3 5 Basic Requirements 3 5.1 Detection process 3 5.2 Detection content 3 5.3 Testing Instrument 4 5.4 Space-time benchmarks 4 5.5 Data Collection 4 6 Detection condition 4 6.1 General provisions 4 6.2 Outdoor detection conditions 5 6.3 Indoor testing conditions 5 7 Detect flight 6 7.1 Flight Plan 6 7.2 Flight Environment 6 7.3 Flight speed 6 7.4 Flight altitude 7 8 Radiation Consistency Detection 7 8.1 Detection of Lidar Radiation Performance 7 8.2 Optical Remote Sensing Sensor Radiation Performance Detection 8 8.3 Multi-sensor radiation consistency detection 9 9 Geometric Consistency Detection 10 9.1 Lidar Geometric Performance Detection 10 9.2 Geometric performance detection of optical remote sensing sensors 12 9.3 Multi-Sensor Geometric Consistency Detection 13 10 Evaluation and arrangement of test results 14 10.1 Evaluation of test results 14 10.2 Collation of test results 15 10.3 Filing of test materials 16 Appendix A (Informative) Example of Observation Handbook 17 Appendix B (Informative) Calculation Handbook Example 19 Appendix C (Informative) Test Report Example 21 Reference 23

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 of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the Ministry of Natural Resources of the People's Republic of China. This document is under the jurisdiction of the National Geographic Information Standardization Technical Committee (SAC/TC230). This document is drafted by. Tongji University, Shanghai Tongfan Survey Engineering Technology Co., Ltd., China Survey New Map (Beijing) Remote Sensing Technology Co., Ltd. Company, Beijing Siwei Space Digital Technology Co., Ltd., Beijing Tongchuangda Survey Co., Ltd., Nanning Survey, Surveying, Mapping and Geographic Information Institute Co., Ltd. Company, China Railway First Survey and Design Institute Group Co., Ltd., Hubei Huazhong Electric Power Technology Development Co., Ltd. The main drafters of this document. Liu Chun, Zhou Yuan, Xue Yun, Akram Ekbayer, Ai Mengchi, Zhou Xiaoteng, Xue Yanli, Zhang Shuhang, Dai Fang, Hu Zhentian, Wang Wei, Liu Xingbo, Huang Chongfeng, Zhao Shengguang, Yu Ting, Wang Xiaojun, Wang Haiying, Chen Jianjun, Ren Xiaochun, Zhan Zhimin. Multi-sensor consistency for UAV low-altitude remote sensing monitoring Testing technical specifications

1 Scope

This document specifies the basic requirements, detection conditions, detection flight, radiation Consistency testing, geometric consistency testing, evaluation and sorting of testing results. This document applies to the radiation and geometric consistency of multi-sensor remote sensing monitoring based on fixed-wing and multi-rotor low-altitude UAVs detection.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 28591-2012 Wind Rating CH/T 3004-2021 Field Specification for Low Altitude Digital Aerial Photogrammetry CH/T 3005-2021 Specification for low-altitude digital aerial photography

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Receive or record electromagnetic waves reflected or radiated by objects in the visible, near-infrared, mid-infrared and thermal infrared bands of the electromagnetic spectrum Instruments for spectral information. 3.2 Lidar Lidar A system that emits laser beams and receives echoes to obtain three-dimensional information on objects. [Source. GB/T 14950-2009, 4.150] 3.3 multi-sensor It is an integrated system composed of lidar and optical remote sensing sensors, which collects and provides information from the two. 3.4 radiationconsistency Under the same observation conditions, for the same observation target, the degree of agreement between the multiple results of the radiation measurement values of the multi-sensor integrated system. Note. The main metrics include reflectance correlation and reflectance relative median error. 3.5 geometricconsistency Under the same observation conditions, for the same observation target, the degree of agreement between the multiple results of the geometric measurement values of the multi-sensor integrated system. ......

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