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The article describes the method proposed by the authors for forming radar portraits (signatures) of objects of complex spatial configuration with a conductive surface based on digital spatial (three-dimensional) models of their description in approximation of geometric optics methods. The developed model-oriented technique is intended for calculation of multiple radar portraits of quasi-stationary objects, which include various types of ground, aviation and marine equipment, against the background of underlying surface in relation to the specified parameters and conditions of radar observation of the earth 's surface. A distinctive feature in the implementation of this technique is the possibility of prompt obtaining of radar portraits (signatures) of metal objects of complex shape with the degree of adequacy and in volumes providing automation of processing of natural radar images on the basis of artificial intelligence technologies, including with support of specialized banks of reference radar data formed on their basis.

Model-oriented method for calculating radar portraits (signatures) of metal objects