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