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Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 41449-2022: Quality inspection and evaluation of time-series satellite image data Status: Valid
Basic dataStandard ID: GB/T 41449-2022 (GB/T41449-2022)Description (Translated English): Quality inspection and evaluation of time-series satellite image data Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A75 Word Count Estimation: 21,216 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 41449-2022: Quality inspection and evaluation of time-series satellite image data---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.Quality inspection and evaluation of time-series satellite image data ICS 07.040 CCSA75 National Standards of People's Republic of China Quality inspection and evaluation of time series satellite image data 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 Basic requirements 2 4.1 Inspection and Evaluation Basis 2 4.2 Inspection content 2 4.3 Inspection method 3 4.4 Quality Level 3 4.5 Inspection result record 3 4.6 Handling of Quality Problems 3 5 Sampling inspection procedure 3 5.1 Form batch results 3 5.2 Unit achievement determination 3 5.3 Determining sample size 3 5.4 Inspection procedures and content 4 6 Quality elements and evaluation indicators 5 6.1 Mass elements 5 6.2 Quality Evaluation Index 7 7 Quality assessment 14 7.1 Quality assessment of unit results 14 7.2 Batch result evaluation 14 Appendix A (Informative) Description of Calculation Methods for Relevant Inspection Items 15 Reference 18 forewordThis 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. China Academy of Surveying and Mapping, National Surveying and Mapping Product Quality Inspection and Testing Center, Wuhan University, China Natural Resources Air Geophysical and Remote Sensing Center, Tongji University, Shaanxi Surveying and Mapping Product Quality Supervision and Inspection Station of Ministry of Natural Resources, Land Satellite Remote Sensing Application of Ministry of Natural Resources Application Center, the Third Aerial Survey and Remote Sensing Institute of the Ministry of Natural Resources, and the Institute of Aerospace Information Innovation, Chinese Academy of Sciences. The main drafters of this document. Huang Guoman, Yang Shucheng, Zhang Jixian, Yang Jie, Tong Xiaohua, Shen Huanfeng, Wang Yan, Wang Xiaojun, Zhao Zheng, Cheng Chunquan, Lu Lijun, Wang Xia, Chen Haipeng, Yue Xijuan, Xie Wenjun, Shi Hongtao, Zeng Chao, Zhang Ling, Xie Huan, Jin Yanmin, Wang Wei, Cao Ning, Zhang Yanmei, Wu Chong. Quality inspection and evaluation of time series satellite image data1 ScopeThis document specifies the basic requirements, sampling inspection procedures, quality elements and evaluation guidelines for quality inspection and evaluation of time-series satellite imagery data. standard, quality assessment. Quality inspection and evaluation of data.2 Normative referencesThe 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 18316 Quality inspection and acceptance of digital surveying and mapping results3 Terms and DefinitionsGB/T 18316 and the following terms and definitions apply to this document. 3.1 time-series satellite images time-seriessateliteimages A series of remote sensing images of the same observation area are acquired at certain time intervals by using sensors carried by artificial satellites. 3.2 Based on Doppler frequency shift theory and radar coherence, a remote sensing system that comprehensively processes the amplitude and phase data of radar echoes. [Source. GB/T 14950-2009, 4.151] 3.3 A technique for interferometric measurement using phase information from SAR data of different periods in the same area. 3.4 Contrast The size of the grayscale contrast of remote sensing images. 3.5 sharpness sharpness The clarity of details and boundaries in remote sensing images. 3.6 radiation distortion The inconsistency between the measured value of radiation of ground objects in remote sensing images and its actual radiation intensity. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 41449-2022_English be delivered?Answer: Upon your order, we will start to translate GB/T 41449-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 41449-2022_English with my colleagues?Answer: Yes. 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