ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,780, issued on Jan. 20, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).

"Method and device for determining the relative permittivity of a material using a ground-penetrating radar" was invented by Gloria Makhoul (Grenoble, France) and Raffaele D'Errico (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A new method for accurately estimating the relative permittivities and the thicknesses of each layer of a material such as the ground is provided. The method is based on acquisitions of measurements taken by a ground-penetrating radar provided with a plurality of transmitting antennas and a plurali...