Ids Georadar S.r.l.

Alessandro Simi

Guido Manacorda

Davide Pasculli

Mario Miniati

Andrea Buonaccorsi

A method for sampling an Ultra Wide Band signal comprising a step of prearranging a GPR antenna comprising at least one transmitter and one receiver, a variable-gain amplifier, or VGA, a A/D converter and a control unit. The method then comprises the steps of transmitting and receiving a primary Ultra Wide Band signal by the GPR antenna and sampling values of the primary signal relative to a first full-scale portion by the A/D converter. The method also comprises the steps of transmitting and receiving at least one secondary Ultra Wide Band signal by the GPR antenna, amplifying said or each secondary signal by the variable-gain amplifier, and sampling values of said or each secondary signal relative to full-scale portions different from the first portion by the A/D converter.

Method for sampling an ultra wide band signal

A method for ground penetrating radar analysis of a scenario, having a surface, with respect to a cartesian reference system S(x,y) having origin O(0,0) and axes x and y. The method comprises a step of prearranging a gpr apparatus that comprises at least one gpr sensor, a control unit, a centre of reference C(x,y) having coordinates xand ywith respect to the cartesian reference system S(x,y), at least one image acquisition devices, each image acquisition devices having a pointing direction γknown with respect to the centre of reference C(x,y). The method comprises then the steps of handling the gpr apparatus on the surface and detecting possible underground objects by means of gpr technique.

Photogrammetric system for positioning georadar data on the measurement scenario

A method for detecting positions of objects under a surface with respect to a reference Cartesian system having axes x and y, includes prearranging a GPR apparatus that includes a distance detecting unit for measuring a distance with respect to a not transparent object, a control unit, and a center of reference having coordinates xand yon the reference Cartesian system. The method further includes prearranging a first linear wall having direction parallel to the axis x, handling the apparatus on the surface, detecting a first measurement of distance between the distance detecting unit and the first linear wall, calculating the coordinate yof the center of reference, calculating a change of the coordinate yduring the step of handling, and associating a coordinate y=yto an i-th object detected, where yis value of the coordinate yat the detection by a GPR sensor of the i-th object.

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Leghorn, Italy

Alessandro Simi