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1. (WO2018140897) EXTENDING FOOTPRINT FOR LOCALIZATION USING SURFACE PENETRATING RADAR (SPR)

Pub. No.:    WO/2018/140897    International Application No.:    PCT/US2018/015791
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Tue Jan 30 00:59:59 CET 2018
IPC: G01S 13/88
Applicants: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Inventors: STANLEY, Byron McCall
CORNICK, Matthew Tyler
Title: EXTENDING FOOTPRINT FOR LOCALIZATION USING SURFACE PENETRATING RADAR (SPR)
Abstract:
A method for extending a surface penetrating radar (SPR) footprint for performing localization with an SPR system is disclosed. The method may include may include transmitting at least one SPR signal from at least one SPR transmit element. The method may further include receiving a response signal via at least two SPR receive elements, the response signal including, at least in part, a reflection of the SPR signal from an object. The method may also include determining that the object is in a region of interest outside a footprint of the SPR system based on a difference in phase at which the response signal is received at the at least two SPR receive elements. The method may additionally include performing localization of a vehicle using the SPR system based at least in part on the object.