Real-time analysis and simulation of remote sensing photoelectric information from aerospace Fourier transform infrared spectrometer

Hongbo Bu; Haoyun Wei; Songbo Wu; Gengyun Wang; Lili Xie; Lijin Li; Long Chen; Feng Shi

doi:10.1117/12.2580449

5 November 2020 Real-time analysis and simulation of remote sensing photoelectric information from aerospace Fourier transform infrared spectrometer

Hongbo Bu, Haoyun Wei, Songbo Wu, Gengyun Wang, Lili Xie, Lijin Li, Long Chen, Feng Shi

Author Affiliations +

Proceedings Volume 11566, AOPC 2020: Optical Spectroscopy and Imaging; and Biomedical Optics; 115660T (2020) https://doi.org/10.1117/12.2580449
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

Based on the working mechanism and characteristics of spaceborne hyperspectral Fourier transform infrared spectrometer, the computer and software were used as data acquisition and processing tools in this paper to study and simulate the various processes in photoelectric information processing of spectrometer. Analytical models including functional modules such as interference signal generation, effective signal detection, spectral data inversion and instrument error correction was established, then a visualization software system was developed. Finally, the accuracy of the model was calculated and optimized with experiments, the verification results show that this resolving system can process the interference data with high spectral resolution non-destructively, significantly improve the smoothness of the restored spectrum without distortion, and the measured spectral resolution of an instrument is better than 0.03cm^-1 . This digital model could provide useful support for the design and parameter optimization of the aerospace Fourier transform infrared spectrometer.

Citation Download Citation

Hongbo Bu, Haoyun Wei, Songbo Wu, Gengyun Wang, Lili Xie, Lijin Li, Long Chen, and Feng Shi "Real-time analysis and simulation of remote sensing photoelectric information from aerospace Fourier transform infrared spectrometer", Proc. SPIE 11566, AOPC 2020: Optical Spectroscopy and Imaging; and Biomedical Optics, 115660T (5 November 2020); https://doi.org/10.1117/12.2580449

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KEYWORDS

Spectroscopy

Infrared spectroscopy

FT-IR spectroscopy

Remote sensing

Interferometers

Spectral resolution

Sensors

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