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Detecting people behind optically opaque barriers is an urgent task of the modern world. It allows to solve problems in the following areas: conducting anti-terrorist operations, searching people under rubble and avalanches, security measures. This article describes the device features developed on the basis of the radio wave methods usage, which makes it possible to detect moving objects behind optically opaque obstacles. The performance of the instrument is improved over the prototype broadband radar for detecting people behind optically opaque obstacles “Dannik-5”, developed at the Federal State Unitary Enterprise SDB IRE RAS. Unique ultra-wideband small-sized printed antennas have been developed for the device. Thanks to them, its directional diagram has been improved, a clearer restructuring in the field of view and a more accurate determination of the location of a moving object are provided. The use of small-sized printed antennas and an optimized internal layout of the device made it possible to improve the shielding of the device, which eliminated its susceptibility to objects moving on the side and behind the radar, and also made it possible to significantly improve its mass-dimensional characteristics. Comparative characteristics in relation to domestic devices and foreign analogs are given. The device is competitive with world analogues.

Features of Through-Wall Radars Development for Detecting of Moving Objects behind Optically Opaque Barriers