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Motion estimation and focusing of ships in TerraSAR-X data using FrFT

  • German Aerospace Center

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In order to detect and imaging the moving boat monitoring ships from the dynamic ocean surface correctly in the image of Synthetic Aperture Radar, a novel approach based on fractional Fourier Transform with the Dual Receive Antenna SAR data was introduced. The traditional method of motion parameters estimation and focusing was modified, and the processing and analysis to improve the performance of estimation of FM rate introduced by the along-track moving of the boat, the time-frequency distribution was provided and the accuracy estimation by Fractional Fourier Transform was given, then the refocusing method was proposed. The experimental result shows that the proposed method is very effective.

Original languageEnglish
Title of host publicationIGARSS 2012 - 2012 IEEE International Geoscience and Remote Sensing Symposium
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages245-247
Number of pages3
ISBN (Electronic)9781467311595
DOIs
StatePublished - 2012
Event32nd IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2012 - Munich, Germany
Duration: 22 Jul 201227 Jul 2012

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)
ISSN (Print)2153-6996
ISSN (Electronic)2153-7003

Conference

Conference32nd IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2012
Country/TerritoryGermany
CityMunich
Period22/07/1227/07/12

Keywords

  • Dual Receive Antenna
  • Fractional Fourier Transform
  • motion parameters estimation
  • refocusing

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