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Title: Decreasing range resolution of a SAR image to permit correction of motion measurement errors beyond the SAR range resolution

Abstract

Motion measurement errors that extend beyond the range resolution of a synthetic aperture radar (SAR) can be corrected by effectively decreasing the range resolution of the SAR in order to permit measurement of the error. Range profiles can be compared across the slow-time dimension of the input data in order to estimate the error. Once the error has been determined, appropriate frequency and phase correction can be applied to the uncompressed input data, after which range and azimuth compression can be performed to produce a desired SAR image.

Inventors:
 [1];  [1];  [1]
  1. Albuquerque, NM
Issue Date:
Research Org.:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1012816
Patent Number(s):
7760128
Application Number:
12/120,265
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01S - RADIO DIRECTION-FINDING
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Country of Publication:
United States
Language:
English

Citation Formats

Doerry, Armin W, Heard, Freddie E, and Cordaro, J Thomas. Decreasing range resolution of a SAR image to permit correction of motion measurement errors beyond the SAR range resolution. United States: N. p., 2010. Web.
Doerry, Armin W, Heard, Freddie E, & Cordaro, J Thomas. Decreasing range resolution of a SAR image to permit correction of motion measurement errors beyond the SAR range resolution. United States.
Doerry, Armin W, Heard, Freddie E, and Cordaro, J Thomas. Tue . "Decreasing range resolution of a SAR image to permit correction of motion measurement errors beyond the SAR range resolution". United States. https://www.osti.gov/servlets/purl/1012816.
@article{osti_1012816,
title = {Decreasing range resolution of a SAR image to permit correction of motion measurement errors beyond the SAR range resolution},
author = {Doerry, Armin W and Heard, Freddie E and Cordaro, J Thomas},
abstractNote = {Motion measurement errors that extend beyond the range resolution of a synthetic aperture radar (SAR) can be corrected by effectively decreasing the range resolution of the SAR in order to permit measurement of the error. Range profiles can be compared across the slow-time dimension of the input data in order to estimate the error. Once the error has been determined, appropriate frequency and phase correction can be applied to the uncompressed input data, after which range and azimuth compression can be performed to produce a desired SAR image.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {7}
}

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