Electronic correction method for environment monitoring instrument

Quan Zhang; Fuqi Si; Shuhua Huang; Xin Zhao; Haijin Zhou; Minjie Zhao; Yu Wang; Wenqing Liu

doi:10.1117/12.2268494

8 March 2017 Electronic correction method for environment monitoring instrument

Quan Zhang, Fuqi Si, Shuhua Huang, Xin Zhao, Haijin Zhou, Minjie Zhao, Yu Wang, Wenqing Liu

Proceedings Volume 10255, Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016; 102552B (2017) https://doi.org/10.1117/12.2268494
Event: Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016, 2016, Jinhua, Suzhou, Chengdu, Xi'an, Wuxi, China

Abstract

The space-borne Environment Monitoring Instrument detects the Earth's surface radiation from ultraviolet to visible band, and it could be used to inverse the trace gas concentrations of target area. To obtain the 1b radiation data products, raw measurement data (level 0 data) should be corrected and modulated. Based on CCD detectors and payload’s characteristics, the electronic correction processing flow and data correction algorithm are proposed, and dark current, electronic offset, Smear and PRNU are also corrected. By using this algorithm, the ground level 0 test data are corrected. The result shows that the corrected data can improve the accuracy of the data; it can be used to process the data which are measured in orbit observation; it strongly guarantees the formation of further level 2 data products.

Citation Download Citation

Quan Zhang, Fuqi Si, Shuhua Huang, Xin Zhao, Haijin Zhou, Minjie Zhao, Yu Wang, and Wenqing Liu "Electronic correction method for environment monitoring instrument", Proc. SPIE 10255, Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016, 102552B (8 March 2017); https://doi.org/10.1117/12.2268494

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