Simulation of imaging spectrometers degraded by satellite vibrations with pseudo cross-correlation theory

Lijun Zhang; Yuee Chang; Yi Tang; Yibing Nan; Qian Guo

doi:10.1117/12.2047793

31 December 2013 Simulation of imaging spectrometers degraded by satellite vibrations with pseudo cross-correlation theory

Lijun Zhang, Yuee Chang, Yi Tang, Yibing Nan, Qian Guo

Author Affiliations +

Proceedings Volume 9042, 2013 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments; 90421I (2013) https://doi.org/10.1117/12.2047793
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China

Abstract

Based on the complex movement of satellite platform, we take the impacts on spectral imaging by pitch, roll and yaw into account. Then point spread matrix calculation principle is put forward, which takes transform the POS data into point spread matrix. According to this theory, we proposed the concept of pseudo cross-correlation to set up the model of spectral imaging degradation based on the pseudo cross-correlation, which combines the point spread matrix and original spectral data by the concept of pseudo cross-correlation. And in this method, the process of spectral imaging degradation is formed, which improve the existing problem of spectral imaging degradation based on the complex movement of satellite platform. The simulation results show that this kind of degradation theory is suitable for solving the problem of spectral imaging degradation based on the complex satellite platform movement completely.

Citation Download Citation

Lijun Zhang, Yuee Chang, Yi Tang, Yibing Nan, and Qian Guo "Simulation of imaging spectrometers degraded by satellite vibrations with pseudo cross-correlation theory", Proc. SPIE 9042, 2013 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 90421I (31 December 2013); https://doi.org/10.1117/12.2047793

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KEYWORDS

Satellites

Satellite imaging

Doping

Data modeling

Imaging spectroscopy

Spectrometers

Spectral data processing

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