Method for removing RFI from SAR images

Title: Method for removing RFI from SAR images

Abstract

A method of removing RFI from a SAR by comparing two SAR images on a pixel by pixel basis and selecting the pixel with the lower magnitude to form a composite image. One SAR image is the conventional image produced by the SAR. The other image is created from phase-history data which has been filtered to have the frequency bands containing the RFI removed.

Inventors:: Doerry, Armin W.

Issue Date:: 2003-08-19

Research Org.:: Sandia National Lab. (SNL-CA), Livermore, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1174455

Patent Number(s):: 6608586

Application Number:: 10/205,658

Assignee:: Sandia Corporation (Albuquerque, NM)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01S - RADIO DIRECTION-FINDING

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G - PHYSICS G01 - MEASURING G01S - RADIO DIRECTION-FINDING
G01S2007/2883 - {using FFT processing}
G01S7/023 - {interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
G01S7/2923 - {based on data belonging to a number of consecutive radar periods}
G01S13/90 - using synthetic aperture techniques {, e.g. synthetic aperture radar [SAR] techniques}

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DOE Contract Number:: AC04-94AL85000

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION

Citation Formats


                    Doerry, Armin W. Method for removing RFI from SAR images.  United States: N. p., 2003. 
        Web.

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                    Doerry, Armin W. Method for removing RFI from SAR images.  United States.

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                    Doerry, Armin W. Tue .  
        "Method for removing RFI from SAR images".  United States.  https://www.osti.gov/servlets/purl/1174455.

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@article{osti_1174455,

  title        = {Method for removing RFI from SAR images},

  author       = {Doerry, Armin W.},

  abstractNote = {A method of removing RFI from a SAR by comparing two SAR images on a pixel by pixel basis and selecting the pixel with the lower magnitude to form a composite image. One SAR image is the conventional image produced by the SAR. The other image is created from phase-history data which has been filtered to have the frequency bands containing the RFI removed.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2003},

  month        = {8}

}

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Works referenced in this record:

Radio frequency interference removal in a VHF/UHF deramp SAR
conference, June 1995

Golden, Jr., August; Werness, Susan A.; Stuff, Mark A.
SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, SPIE Proceedings
https://doi.org/10.1117/12.210866

RFI suppression for ultra wideband radar
journal, October 1997

Miller, T.; Potter, L.; McCorkle, J.
IEEE Transactions on Aerospace and Electronic Systems, Vol. 33, Issue 4
https://doi.org/10.1109/7.625096

Nonlinear apodization for sidelobe control in SAR imagery
journal, January 1995

Stankwitz, H. C.; Dallaire, R. J.; Fienup, J. R.
IEEE Transactions on Aerospace and Electronic Systems, Vol. 31, Issue 1
https://doi.org/10.1109/7.366309

Interference suppression in UHF synthetic aperture radar
conference, June 1995

Ferrell, Bruce H.
SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, SPIE Proceedings
https://doi.org/10.1117/12.210830

SAR sidelobe apodization using parametric windows
conference, August 1999

Thomas, Gabriel; Son, Jae Sok; Flores, Benjamin C.
AeroSense '99, SPIE Proceedings
https://doi.org/10.1117/12.357625

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Similar Records

Title: Method for removing RFI from SAR images

Abstract

Citation Formats

Radio frequency interference removal in a VHF/UHF deramp SAR conference, June 1995

RFI suppression for ultra wideband radar journal, October 1997

Nonlinear apodization for sidelobe control in SAR imagery journal, January 1995

Interference suppression in UHF synthetic aperture radar conference, June 1995

SAR sidelobe apodization using parametric windows conference, August 1999

Radio frequency interference removal in a VHF/UHF deramp SAR
conference, June 1995

RFI suppression for ultra wideband radar
journal, October 1997

Nonlinear apodization for sidelobe control in SAR imagery
journal, January 1995

Interference suppression in UHF synthetic aperture radar
conference, June 1995

SAR sidelobe apodization using parametric windows
conference, August 1999