Spectral replacement to mitigate interference for multi-pass synthetic aperture radar
Abstract
Various technologies for mitigating interference artifacts in multi-pass synthetic aperture radar (SAR) imagery are described herein. First and second phase histories corresponding to first and second SAR passes over a scene are processed in image and phase-history domains to correct for spatially-variant and constant phase offsets between the phase histories that can be caused by known and unknown variations in motion of a SAR platform between passes. Data samples from one phase history can then be replaced with data samples from the other phase history to remove artifacts and distortions caused by sources of interference in the scene.
- Inventors:
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1600357
- Patent Number(s):
- 10,495,750
- Application Number:
- 15/351,949
- Assignee:
- National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
- DOE Contract Number:
- AC04-94AL85000
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 11/15/2016
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 97 MATHEMATICS AND COMPUTING
Citation Formats
Musgrove, Cameron, Naething, Richard M., and Bickel, Douglas L. Spectral replacement to mitigate interference for multi-pass synthetic aperture radar. United States: N. p., 2019.
Web.
Musgrove, Cameron, Naething, Richard M., & Bickel, Douglas L. Spectral replacement to mitigate interference for multi-pass synthetic aperture radar. United States.
Musgrove, Cameron, Naething, Richard M., and Bickel, Douglas L. 2019.
"Spectral replacement to mitigate interference for multi-pass synthetic aperture radar". United States. https://www.osti.gov/servlets/purl/1600357.
@article{osti_1600357,
title = {Spectral replacement to mitigate interference for multi-pass synthetic aperture radar},
author = {Musgrove, Cameron and Naething, Richard M. and Bickel, Douglas L.},
abstractNote = {Various technologies for mitigating interference artifacts in multi-pass synthetic aperture radar (SAR) imagery are described herein. First and second phase histories corresponding to first and second SAR passes over a scene are processed in image and phase-history domains to correct for spatially-variant and constant phase offsets between the phase histories that can be caused by known and unknown variations in motion of a SAR platform between passes. Data samples from one phase history can then be replaced with data samples from the other phase history to remove artifacts and distortions caused by sources of interference in the scene.},
doi = {},
url = {https://www.osti.gov/biblio/1600357},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 03 00:00:00 EST 2019},
month = {Tue Dec 03 00:00:00 EST 2019}
}
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