The paper is devoted to optimization of formation flight of UAV carrying out remote sensing of earth surface being positioned at different heights taking into account the differences of atmospheric transmittance at these heights. The task of optimization of remote sensing of the earth’s surface by a group of UAVs carrying out formation flight at various altitudes and at various locations away from a mobile center, which receives information from the UAV upon reaching the same altitude, has been formulated and solved. The optimal type of function for the relationship between the UAV position altitude and the distance between them and the mobile information reception center has been determined under criterion to reach maximum of the total value of atmospheric transmission.
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