This Gun Radar Could Make Concealed Carry Obsolete

Created by University of Michigan electrical engineering professor Kamal Sarabandi with funding from the Department of Defense, the technology pairs polarimetric radar with Doppler radar signal processing to identify an individual who might be carrying a weapon.

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Basically, Sarabandi and his team used the Doppler radar—which measures an object’s speed—to identify the general pattern of a human walking, or what he calls “the DNA of walking.” A computer is programmed to recognize that pattern, focusing on the subject’s chest, and then polarimetric radar is used to send out a signal at a particular polarization, and analyze the signal that bounces back. An irregular metal object—like a gun—would change the signal.

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