Abstract
Camera imaging quality is of great importance to aerial photography and space photography, especially in the field of military reconnaissance and telemetry of geographic resources. During the flight of the airborne camera, the image motion is caused by factors such as the flight speed and flight attitude of the aircraft, which will greatly reduce the image resolution and seriously affect the imaging quality of the camera. In this paper, it is analyzed that various factors of produce image motion in the imaging process of airborne camera, the imaging coordinate system of airborne camera is established, the mathematical model of image motion is established by using the homogeneous coordinate transformation method, and the function relation between the compensation angle of two-axes of the fast-steering mirror (FSM) and the image motion is obtained at last. By establishing a simulation model, the influence of aircraft flight attitude on the imaging quality of the camera is analyzed, which provides a basis for the image motion compensation strategy of airborne camera.
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