GB/T 38935-2020 English PDF

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GB/T 38935-2020: On-orbit radiometric characteristics assessment for optical imaging remote sensor--VIS-SWIR
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38935-2020	339	Add to Cart	4 days	On-orbit radiometric characteristics assessment for optical imaging remote sensor--VIS-SWIR	Valid

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Basic data

Standard ID: GB/T 38935-2020 (GB/T38935-2020)
Description (Translated English): On-orbit radiometric characteristics assessment for optical imaging remote sensor--VIS-SWIR
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A77
Classification of International Standard: 07.040
Word Count Estimation: 18,160
Date of Issue: 2020-07-21
Date of Implementation: 2021-02-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38935-2020: On-orbit radiometric characteristics assessment for optical imaging remote sensor--VIS-SWIR

---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.
On-orbit radiometric characteristics assessment foroptical imaging remote sensor--VIS-SWIR ICS 07.040 A77 National Standards of People's Republic of China On-orbit imaging radiation performance of optical remote sensor Evaluation method Visible light-short wave infrared 2020-07-21 released 2021-02-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Preface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 1 3.1 Terms and definitions 1 3.2 Abbreviations 2 4 Evaluation objects and evaluation indicators 2 4.1 Evaluation object 2 4.2 Evaluation Index 2 5 Evaluation method 2 5.1 Signal-to-noise ratio 2 5.2 Radiation resolution 3 5.3 Dynamic range 4 5.4 Non-linearity 7 5.5 Blind Yuan Rate 7 Appendix A (informative appendix) SNR regulation method 10 Appendix B (informative appendix) On-orbit dynamic range and nonlinearity of high spatial resolution optical remote sensor to evaluate ground target deployment requirements Reference 12

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This standard was proposed by the Chinese Academy of Sciences. This standard is under the jurisdiction of the National Standardization Technical Committee of Remote Sensing Technology (SAC/TC327). Drafting organizations of this standard. Institute of Optoelectronics, Chinese Academy of Sciences, China Resources Satellite Application Center, National Satellite Meteorological Center, Beijing Space Aircraft Institute of Electrical Engineering, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences. The main drafters of this standard. Li Chuanrong, Li Xiaohui, Wang Xinhong, Gao Caixia, Tang Lingli, Ma Lingling, Wang Ning, Fu Qiaoyan, Fang Xiang, Fu Ruimin, Ma Yanhua, Wang Gang, Li Wei, Liu Zhaoyan, Zhao Yongguang, Zhu Bo, Zhang Jing, Zhu Jiajia, Liu Yaokai, Qian Yonggang, Qiu Shi, Zhou Yongsheng, Zhu Xiaohua, Ren Lu. On-orbit imaging radiation performance of optical remote sensor Evaluation method Visible light-short wave infrared

1 Scope

This standard specifies the operating wavelength of space-borne imaging optical remote sensors in the visible light to short-wave infrared range (380nm~2500nm) On-orbit imaging radiation performance evaluation object, evaluation index and evaluation method. This standard applies to passive optical remote sensors that are mounted on satellite platforms and use line array detectors to scan and image during orbit operations. Conducted radiation performance evaluation. Other types of spaceborne passive optical remote sensors can refer to the evaluation of the on-orbit external field radiation performance.

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 33988-2017 Visible light-shortwave infrared spectral reflectance measurement of urban features GB/T 36297-2018 Optical remote sensing load performance field test evaluation index GB/T 36540-2018 Water visible light-shortwave infrared spectrum reflectance measurement 3 Terms and definitions, abbreviations 3.1 Terms and definitions The following terms and definitions defined in GB/T 36297-2018 apply to this document. 3.1.1 Radiation performance radiometriccharacteristics The ability of the remote sensor to acquire and maintain the relative or absolute radiation energy distribution of the ground object scene during imaging. 3.1.2 Signal-to-noiseratio The ratio of the effective signal power output by the remote sensor to the noise power. 3.1.3 Radiometric resolution The minimum radiometric difference that the remote sensor sensing (sensitive) component can distinguish when receiving spectral radiation signals, or refers to two different radiation sources The resolving power of the amount of radiation. [GB/T 14950-2009, definition 4.103] 3.1.4 Dynamic range The output of the optical remote sensor can change with the input of the minimum incident radiation and the maximum incident radiation bounded by the interval. 3.1.5 Non-linearity In the dynamic range, the actual value of the response deviates from the maximum deviation of the corresponding fitted straight line. ......

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