F - Mech Eng,Light,Heat,Weapons – 41 – H
Patent
F - Mech Eng,Light,Heat,Weapons
41
H
F41H 11/12 (2006.01) G01V 9/00 (2006.01)
Patent
CA 2285506
A hybrid remote-sensing apparatus is based on an active high-power microwave (HPM) illuminator and a passive infrared (IR) detector for the detection of shallow buried landmines. A 2.45 GHz, 5 kW microwave source is used for illumination and the thermal signature at the soil surface is detected in the 8-12 µm region both in near real-time as well as after a brief time-delay following illumination. The thermal signature at the soil surface is primarily made up of two components. A thermal signature occurs at the soil surface in near real-time due to the interference of the incident beam and the beam reflected by buried mines. A second thermal signature is generated when temperature contrasts due to differential microwave absorption by a mine and the surrounding soil are conducted upwards from that mine location to the surface. Both signatures are dependent on the complex dielectric constants of mines and the soil. These signatures can be used to determine the location of different types of metallic and non-metallic mine surrogates, dummy mines without explosives and live mines with explosives.
Apps Rene G.
Khanna Shyam M.
Paquet Francois
Seregelyi Joseph S.
As Represented By The Ministe Of Her Majesty's Canadian Governme Her Majesty The Queen In Right Of Canada
Kelly H.a.
LandOfFree
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