The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 15, 2023

Filed:

Mar. 08, 2019
Applicant:

Saab Ab, Linköping, SE;

Inventor:

Hans Hellsten, Linköping, SE;

Assignee:

SAAB AB, Linköping, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/88 (2006.01); G01S 13/90 (2006.01);
U.S. Cl.
CPC ...
G01S 13/885 (2013.01); G01S 13/90 (2013.01); G01S 13/9011 (2013.01); G01S 13/9019 (2019.05); G01S 13/9076 (2019.05);
Abstract

A method for detecting a horizontally buried linear object is provided, the horizontally buried linear object having a longitudinal extension. The method comprises moving, with a flying platform comprising a radar for synthetic aperture radar, SAR, vertical imaging, along a trajectory corresponding to a synthetic aperture. The method further comprises transmitting and receiving radar signals while moving along the trajectory corresponding to the synthetic aperture. The method also comprises forming a SAR image based on collected data representing radar signal reflections received from the ground. The method additionally comprises detecting one or more features in the formed SAR image relating to the horizontally buried linear object. Said trajectory is oriented in a direction substantially perpendicular to an expected orientation of the longitudinal extension of the horizontally buried object and traversing the horizontally buried object.


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