Optical correlator-based system for the real time anaysis of image motion in the focal plane of an Earth observation camera

摘要

The paper describes the design concept of an otpoelectronic system for real time image motion analysis. The system is proposed to be used onboard an Earth observation satellite for the real time recording of the image motion i the focal plane of the camera. With this record available, it is possible to sue pushbroom scan cameras onboard satellites with moderate attitude stability (possible geometric distortions, caused by the attitude instability, can be corrected posteriori on base of the records), New experimental results are presented, which have been derived from a real-time breadboard model of the optical procesosr, developed and manufactured under ESA-contract. The results of the texts are provided as well as the expected performances of a fully scale system.