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4 November 2004 Compensation of focal plane image motion perturbations with optical correlator in feedback loop
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Abstract
The paper presents a concept of a smart pushbroom imaging system with compensation of attitude instability effects. The compensation is performed by active opto-mechatronic stabilization of the focal plane image motion in a closed loop system with visual feedback on base of an auxiliary matrix image sensor and an onboard optical correlator. In this way the effects of the attitude instability, vibrations and micro shocks can be neutralized, the image quality improved and the requirements to satellite attitude stability reduced. To prove the feasibility and to estimate the effectiveness of the image motion stabilization, a performance model of the smart imaging system has been developed and a simulation experiment has been carried out. The description of the performance model and the results of the simulation experiment are also given.
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Klaus Janschek, Valerij Tchernykh, Serguei Dyblenko, Gregory Flandin, and Bernd Harnisch "Compensation of focal plane image motion perturbations with optical correlator in feedback loop", Proc. SPIE 5570, Sensors, Systems, and Next-Generation Satellites VIII, (4 November 2004); https://doi.org/10.1117/12.565341
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