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