Target geolocation in Gotcha data using cross-channel interferometry

Author

Murthy, Vinay ; Uysal, Faruk ; Scarborough, Steven

Author_Institution

C & P Technol. Inc., Closter, NJ, USA

fYear

2014

fDate

19-23 May 2014

Abstract

This paper discusses application of a cross-channel interferogram based technique for target geolocation to data from the Gotcha sensor. A modified SAR/ATI/STAP geolocation method is used to compensate for the inability to perform STAP well using the available Gotcha data due to limitations in spatial degrees of freedom. SAR/ATI geolocation is illustrated with three examples from the measurements for: two known targets with truth data, and an unknown target. The first known target is geolocated with a 15.6m accuracy; the unknown target is geolocated with reasonable accuracy for 8 out of 11 detections; and the second known target is geolocated with an average error of 13.18m for 10 consecutive CPIs.

Keywords

Global Positioning System; radar interferometry; synthetic aperture radar; Gotcha data; Gotcha sensor; cross-channel interferogram based technique; cross-channel interferometry; modified SAR/ATI/STAP geolocation method; synthetic aperture radar; target geolocation; Accuracy; Geology; Interferometry; Object detection; Sensors; Synthetic aperture radar; Clutter Suppression; Cross-channel interferometry; GMTI; Ground Moving Target Indication; SAR; Synthetic Aperture Radar; Target Geolocation;

fLanguage

English

Publisher

ieee

Conference_Titel

Radar Conference, 2014 IEEE

Conference_Location

Cincinnati, OH

Print_ISBN

978-1-4799-2034-1

Type

conf

DOI

10.1109/RADAR.2014.6875547

Filename

6875547