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The paper deals with the description of the method of air object (AO) distance detection by means of the passive single-position optoelectronic complex (OEC) and the formula applied to calculate the distance. As there are no markers and signs in the air space, the own size of an air object acts as a calibration distance unit. The detection of AO angular position regarding the OEC is carried out by the indirect method based on the analysis of its two-dimensional image on the photo-integrated matrix and the correlation of the obtained data with those ones in the database. Detecting linear dimensions of AO image is also based on the indirect method of required data obtaining by means of AO image analysis and its comparison with AO reference 3D-model

A Method of Air Object Distance Detection by Means of the Passive Single-Position Optoelectronic Complex