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Title: Artifact reduction within a SAR image

Abstract

The various technologies presented herein relate to reducing and/or filtering undesired artifacts in a SAR image, wherein the artifacts are generated by RF interference resulting from a communication signal being included in a radar return which also comprises radar clutter. The radar return is separated into two subapertures, a first subaperture comprising radar clutter only, and a second subaperture comprising radar clutter and the communication signal. The communication signal is extracted from the second subaperture and reapplied to the initially received radar return. Reapplication of the communication signal to the radar return enables any undesired artifacts arising from the communication signal to have their return strength reduced or minimized, while maintaining any desired radar returns in the SAR image.

Inventors:
; ;
Issue Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1462945
Patent Number(s):
10,018,718
Application Number:
14/927,130
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015 Oct 29
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Musgrove, Cameron, Naething, Richard M., and Ormesher, Richard C. Artifact reduction within a SAR image. United States: N. p., 2018. Web.
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Musgrove, Cameron, Naething, Richard M., & Ormesher, Richard C. Artifact reduction within a SAR image. United States.
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Musgrove, Cameron, Naething, Richard M., and Ormesher, Richard C. Tue . "Artifact reduction within a SAR image". United States. https://www.osti.gov/servlets/purl/1462945.
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@article{osti_1462945,
title = {Artifact reduction within a SAR image},
author = {Musgrove, Cameron and Naething, Richard M. and Ormesher, Richard C.},
abstractNote = {The various technologies presented herein relate to reducing and/or filtering undesired artifacts in a SAR image, wherein the artifacts are generated by RF interference resulting from a communication signal being included in a radar return which also comprises radar clutter. The radar return is separated into two subapertures, a first subaperture comprising radar clutter only, and a second subaperture comprising radar clutter and the communication signal. The communication signal is extracted from the second subaperture and reapplied to the initially received radar return. Reapplication of the communication signal to the radar return enables any undesired artifacts arising from the communication signal to have their return strength reduced or minimized, while maintaining any desired radar returns in the SAR image.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {7}
}
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