GB/T 40766-2021 English PDF

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GB/T 40766-2021: Digital space photogrammetry - Specifications for control survey
Status: Valid

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Basic data

Standard ID: GB/T 40766-2021 (GB/T40766-2021)
Description (Translated English): Digital space photogrammetry - Specifications for control survey
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A77
Word Count Estimation: 30,390
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40766-2021: Digital space photogrammetry - Specifications for control survey

---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.
Digital space photogrammetry - Specifications for control survey ICS 07.040 A77 National Standards of People's Republic of China Digital Aerospace Photogrammetry Control Survey Specification Released on 2021-10-11 2021-10-11 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ Introduction Ⅳ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 General requirements 3 4.1 Spatial reference 3 4.2 Basic control measurement results 3 4.3 Image control point type and accuracy 4 4.4 Satellite image data 4 4.5 Refined results of regional similar geoid 5 4.6 Instruments and equipment 5 5 Preparation 5 5.1 Data collection 5 5.2 Survey area survey 6 5.3 Data analysis 6 5.4 Technical design 6 6 Layout and measurement of basic control points 6 6.1 Layout of basic control points 6 6.2 Basic control point measurement 7 7 Image control point layout 7 7.1 Dot image requirements 7 7.2 Point requirements 7 7.3 Laying method 7 7.4 Single model placement 8 7.5 Single scene image layout 8 7.6 Regional network points 9 7.7 Arrangement of special circumstances 12 8 Image control point measurement 13 8.1 Field image control point measurement 13 8.2 Graphical image control point measurement 14 8.3 Image control point number and result table 15 9 Image control point finishing 15 9.1 Controlling photo finishing 15 9.2 Making notes of electronic image control points 15 9.3 Image control point information collection 16 10 Quality control 16 10.1 Basic requirements 16 10.2 Process quality control 16 10.3 Quality inspection and acceptance of results 17 11 Arrangement and submission of results 17 11.1 Arrangement of results 17 11.2 Delivery of results 17 Appendix A (informative appendix) Image control point results table 19 Appendix B (Informative Appendix) Notes on Electronic Image Control Points 20 Appendix C (informative appendix) Image control point information data 21 Reference 23

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Natural Resources of the People's Republic of China. This standard is under the jurisdiction of the National Geographic Information Standardization Technical Committee (SAC/TC230). Drafting organizations of this standard. Institute of Surveying and Mapping Standardization of the Ministry of Natural Resources, the Second Topographic Survey Team of the Ministry of Natural Resources, China Surveying and Mapping Scientific Research Institute, Zhejiang Hexin Geographic Information Technology Co., Ltd., Shenzhen Survey and Mapping Institute (Group) Co., Ltd., the First Topographic Survey Team of the Ministry of Natural Resources, Wuhan University, Sichuan Surveying and Mapping Product Quality Supervision and Inspection Station of the Ministry of Natural Resources, the First Aerial Survey and Remote Sensing Institute of the Ministry of Natural Resources, Tianjin Institute of Surveying and Mapping. The main drafters of this standard. Ma Congli, Zhao Wenpu, Yan Jingxin, Zhang Li, Liu Nian, Wang Xiping, Fu Xiaoshan, Zhu Zhengrong, Huang Xianzhi, Zhou Yigang, Zhang Guo, Chen Jun, Zhang Zhijun, Peng Feiyu, Andegong, Wu Tong, Song Yaodong, Liu Yu, Li Shudan, Yao Na.

Introduction

In recent years, with the continuous development of aerospace technology, remote sensing satellites can image the earth for a long time and periodically, and have fast data acquisition. The advantages of speed, low cost, and no regional restrictions have gradually become an important means for people to observe geospatial information. The resolution, high agility and maneuverability, and high positioning accuracy have opened up a broad market for the application of satellite image data. Current Optical Remote Sensing Satellite Image It has become the main data source for the construction of basic geographic information resources and other remote sensing applications. Fan, to establish a complete aerospace photogrammetry standard system to fill in the gaps in digital aerospace photogrammetry standards. In order to adapt to the current technical requirements and development level of surveying and mapping production, it is necessary to formulate specifications for control measurement in digital aerospace photogrammetry. The standard system shall be improved. The standards used in conjunction with this standard are "Digital Aerospace Photogrammetry Air Triangulation Specification", "Digital Aerospace Specification for Photogrammetric Mapping. Digital Aerospace Photogrammetry Control Survey Specification

1 Scope

This standard specifies the basic regulations, preparations, basic control point layout and measurement, The requirements for image control point layout, image control point measurement, image control point decoration, quality control, results collation and submission, and the corresponding verification methods are described. This standard is applicable to the 1.5000, 1.10000, 1.25000, 1∶25000, 1∶25000, 1∶25000, 1∶5000, 1∶25000, 1∶25000, 1∶25000, 1∶25000, 1∶1 1.50000, 1.100000 basic geographic information digital results in the production operation of the control and measurement phase.

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 reference documents, the latest version (including all amendments) is applicable to this document. GB/T 12341 1.25000 1.50000 1.100000 Topographic Map Aerial Photogrammetry Field Specification GB/T 13977 1.5000 1.10000 Topographic Map Aerial Photogrammetry Field Specification GB/T 18314-2009 Global Positioning System (GPS) Measurement Specification GB/T 24356 Quality Inspection and Acceptance of Surveying and Mapping Results CH/T 1001 Surveying and Mapping Technology Summary Compilation Regulations CH/T 1004 Technical Design Regulations for Surveying and Mapping CH/T.2009 Global Positioning System Real-time Kinematics (RTK) Technical Specification

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Digitalspacephotogrammetry Based on the continuous digital images of the ground obtained by the sensors on the spacecraft, combined with the plane and elevation information of the control points obtained in the field, Use the computer system to measure the whole process of digital basic geographic information achievements. 3.2 Stereoscopic satellite image Obtained by satellites with the same or different orbital stereo imaging capabilities that can form a stereo pair (the intersection angle of the rays of the same name is greater than 10°) Satellite imagery. 3.3 Monolithic satellite image monolithicsateliteimage Satellite images acquired by satellites without stereo imaging capabilities, or satellites with stereo imaging capabilities cannot constitute stereo images Right (the light rays of the same name meet in space with an angle of less than 10°) satellite images. 3.4 Single-viewsateliteimage A scene or a single satellite image. ......

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