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GB/T 27920.1-2011 English PDF

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GB/T 27920.1-2011: Specifications for digital aerial photography -- Part 1: Frame digital aerial photography
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Basic data

Standard ID GB/T 27920.1-2011 (GB/T27920.1-2011)
Description (Translated English) Specifications for digital aerial photography -- Part 1: Frame digital aerial photography
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A77
Classification of International Standard 07.040
Word Count Estimation 29,210
Date of Issue 2011-12-30
Date of Implementation 2012-02-01
Quoted Standard GB/T 14950-2009; GB/T 6962; GB/T 15661
Regulation (derived from) Announcement of Newly Approved National Standards No. 23 of 2011
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the use of frame -spoke aerial apparatus to carry out aerial photography of the technical requirements, the results of the inspection methods and results of quality finishing acceptance requirements. This section applies to measurements made ??1: 500 to 1: 50 000 topographic maps and image maps spoke frame digital aerial photography.

GB/T 27920.1-2011: Specifications for digital aerial photography -- Part 1: Frame digital aerial photography


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Specifications for digital aerial photography Part 1. Frame digital aerial photography ICS 07.040 A77 National Standards of People's Republic of China Digital aerial photography norm Part 1. The web frame digital aerial photography Part 1. Framedigitalaerialphotography Issued on. 2011-12-30 2012-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 aerial plan and aerial design 2 5 flight quality and image quality requirements 5 QA 6 6 Achievements 7 7 outcome organize and acceptance Appendix A (informative) aerial A general formula 11 Annex B (informative) Table 14 aerial flight recorder Annex C (informative) aerial data transfer deed 15 Annex D (informative) aerial identification form 16 Annex E (informative) route, in conjunction with FIG 18 photo Annex F (informative) completion of subject area 20 Annex G (informative) Air imaging center in conjunction with FIG sheet 23

Foreword

GB/T 27920 "digital aerial photography norm" is divided into two parts. --- Part 1. Box web digital aerial photography --- Part 2. push-broom digital aerial photography This section GB/T Part of 127,920. This section drafted in accordance with GB/T 1.1-2009 given rules. This part by the State Bureau of Surveying and Mapping. This part of the National Standardization Technical Committee on Geographical Information (SAC/TC230) centralized. This section is drafted. a new map measured (Beijing) Technology Co., Ltd. Remote Sensing, National Geomatics Center of China's surveying and mapping Institute. The main drafters of this section. Liying Cheng, Xue Yanli, Zhuxiang E, Ding Xiaobo, has said, Liao Ming, Teng Changsheng, Zhengan Wu, Rui unitary, Zhaojun Xia. Digital aerial photography norm Part 1. The web frame digital aerial photography

1 Scope

This section GB/T 27920 requirements using frame-spoke air camera to carry out the technical requirements of aerial photography to check the results of methodological quality And the outcome of finishing acceptance requirements. This section applies to measurement system 500 to 1.50000 topographic map and image map of the web frame digital aerial photography work.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 14950-2009 Photogrammetry and Remote Sensing term GB/T 6962 1.500,1.1000,1.2000 scale topographic maps by aerial photography norm GB/T 15661 1.5000 1.10000 1.25000 1.50000 1.100000 topographic map of aerial photography norm

3 Terms and Definitions

GB/T 14950-2009 and as defined in the following terms and definitions apply to this document. 3.1 Comprehensive resolving power compositiveresolution Box web digital air camera system to measure linear objective lens imaging spectroscopic detector system for black and white and of equal width resolution Ability. 3.2 Comprehensive Distortion integrativedistortion Box web digital air camera system, image distortion caused by the lens, the spectrometer detector caused by, including radial distortion, eccentric distortion, Imaging surface deformation. 3.3 Mosaic image mosaicimagery Virtual Imaging Box web digital air camera systems, synchronous acquisition by multiple cameras or multiple imaging detectors images by geometry and radiation treatment Projected image formed equivalent center. 3.4 Aerial vulnerability aerialphotographicgap Aerial photography, the photograph or image overlap is too small or no overlap. [GB/T 14950-2009, the definition 4.49] 3.5 Relative vulnerability aerialphotographicrelativegap Aerial photography, the photograph or image overlap and heading off to the overlapping portion is less than the predetermined threshold.

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