Progress in Signals and Telecommunication Engineering Leonid G. Dorosinskiy and Andrew A. Kurganski 13 2 2024 https://doi.org/10.6025/pste/2024/13/2/70-77 https://www.dline.info/pste/fulltext/v13n2/pstev13n2_2.pdf Modeling the clutter reflection suppression algorithm in synthetic-aperture radar is considered in the article. The proposed algorithm allows one to increase the signal detection eciency with closely located sources of clutter due to the use of a priori data of static objects of the infrastructure.