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Optoelectronic sensing of image movement in focal plane of Earth's surveillance optical system

Quality of an image movement sensor may be evaluated by two parameters: precision (measurement error) and nominal speed (frequency bandwidth), both depending on the image moving and technical characteristics of the sensor. Measurement error being given, those characteristics may be optimized to provide the widest frequency band. In this paper such an optimization problem is considered for the optoelectronic sensor, which is a constituent part of an image stabilization system for a spaceborn high-resolution earth's surveillance telescope, and some results of computer modeling of the sensor are presented.