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GB/T 39612-2020 English PDF

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GB/T 39612-2020: Specifications for low-altitude digital aerial photography and data processing
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39612-2020	559	Add to Cart	5 days	Specifications for low-altitude digital aerial photography and data processing	Valid

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Basic data

Standard ID: GB/T 39612-2020 (GB/T39612-2020)
Description (Translated English): Specifications for low-altitude digital aerial photography and data processing
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A75
Classification of International Standard: 07.040
Word Count Estimation: 30,316
Date of Issue: 2020-12-14
Date of Implementation: 2020-12-14
Regulation (derived from): National Standard Announcement No. 28 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39612-2020: Specifications for low-altitude digital aerial photography and data processing

---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.
(Low-altitude digital aerial photography and data processing specifications) ICS 07:040 A75 National Standards of People's Republic of China Low-altitude digital aerial photography and data processing specifications 2020-12-14 release 2020-12-14 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 Basic requirements 2 4:1 Framing and numbering 2 4:2 Results accuracy 2 5 Aerial photography 2 5:1 Preparation for aerial photography 2 5:2 Aerial photography equipment requirements 2 5:3 Aerial photography plan and aerial photography design 3 5:4 Implementation of aerial photography 5 5:5 Flight quality and image quality requirements 5 5:6 Quality inspection and finishing of aerial photography results 6 5:7 Aerial photography results data 6 6 Photo control measurement 6 6:1 Layout of photo control points 6 6:2 Basic control point measurement 8 6:3 Measurement of photo control points 9 6:4 Inspection of photo control measurement results 9 6:5 Photo control measurement results data 9 7 Aerial triangulation 9 7:1 Image preprocessing 9 7:2 Precision requirements 9 7:3 Relative orientation 10 7:4 Free network adjustment 10 7:5 Absolute Orientation and Regional Network Adjustment 10 7:6 Outcome quality check 12 7:7 Air triangulation results data 12 8 Production of basic geographic information products 13 8:1 Production methods and requirements 13 8:2 Results quality check 13 8:3 Achievement data of basic geographic information products 13 Appendix A (informative appendix) Schematic diagram of the relationship between the camera and the image space coordinate system, schematic diagram of the camera installation position 14 Appendix B (Informative Appendix) Common calculation formulas for low-altitude digital aerial photography 15 Appendix C (Informative Appendix) Aerial Photography Flight Record Form 18 Appendix D (informative appendix) Swivel angle calculation diagram 19 Appendix E (informative appendix) Schematic diagram of aerial photography zones and route diagram 20 Appendix F (informative appendix) Picture 22 Appendix G (informative appendix) Photo control point result table and point record sample 24

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): This standard was drafted by: Zhongce Xintu (Beijing) Remote Sensing Technology Co:, Ltd:, Zhongce Xintu (Beijing) Low Altitude Digital Mapping Technology Co:, Ltd: Company, Wuhan Zhongce Shengtu Remote Sensing Technology Co:, Ltd:, Zhejiang Zhongce Xintu Geographic Information Technology Co:, Ltd: The main drafters of this standard: Li Yingcheng, Xue Yanli, Ding Xiaobo, Zhu Xiange, Li Xilin, Dai Fang, Ren Yafeng, Chen Beiping, Cao Hualong, Liu Pei, Liao Ming, Zheng Anwu, Kuang Xiumei: Low-altitude digital aerial photography and data processing specifications

1 Scope

This standard specifies the basic requirements for low-altitude digital aerial photography and data processing, including low-altitude digital aerial photography, photo control measurement, aerial Technical requirements for triangulation and production of basic geographic information products: This standard applies to the use of unmanned aerial vehicle low-altitude digital aerial photography systems for 1:500, 1:1000 and 1:2000 digital orthophotos Image map (DOM), digital elevation model (DEM), digital surface model (DSM) and digital line drawing (DLG) and other results production:

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 13989 National Basic Scale Topographic Map Framing and Numbering GB/T 18314-2009 Global Positioning System (GPS) Measurement Specification GB/T 18316 Quality Inspection and Acceptance of Digital Surveying and Mapping Results GB/T 24356 Quality Inspection and Acceptance of Surveying and Mapping Results GB/T 27919-2011 IMU/GPS assisted aerial photography technical specifications GB 35650 National Basic Scale Map Surveying and Mapping Basic Technical Regulations CH/T 1007 Fundamental Geographic Information Digital Product Metadata CH/T 1024 Technical specification for quality inspection of image control measurement results CH/T:2009-2010 Global Positioning System Real-time Kinematics (RTK) Technical Specification CH/T 3006-2011 Digital Aerial Photogrammetry Control Survey Specification CH/T 3007:1 Specification for Digital Aerial Photogrammetry Mapping Part 1: 1:500 1:1000 1:2000 Digital Elevation Model digital orthophoto map digital line drawing CH/T 3012 Digital surface model aerial photogrammetry production technical specification CH/T 9022 Digital Achievement of Fundamental Geographic Information 1:500 1:1000 1:2000 1:5000 1:10000 Digital Table Face model

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 Unmanned aerial vehicle An unmanned aircraft operated by remote control equipment or self-provided program control devices: 3:2 Low-altitudedigitalaerialphotography Digital aerial photography with an unmanned aerial vehicle and a relative altitude below:2000m: 3:3 2000 National Geodetic Coordinate System ChinaGeodeticCoordinateSystem2000;CGCS2000 Using:2000 reference ellipsoid, the origin is in the right-hand ground-fixed rectangular coordinate system of the center of the earth: Z axis is the reference pole direction of the International Bureau of Earth Rotation, X ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39612-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39612-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39612-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39612-2020_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.