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Fully automatic detector in SAR-ATI of GMTI

  • Fei Gao*
  • , Shi Yi Mao
  • , Zhen Ming Yu
  • , Yun Neng Yuan
  • *Corresponding author for this work
  • Beihang University
  • Guangxi Univ.

Research output: Contribution to journalArticlepeer-review

Abstract

A fully automatic detector named two step-fitting Gaussian function aims at processing the output signals from spaceborne synthelic aperture radar (SAR)-along track interferometry (ATI) is proposed. Without the need to assume jointly Gaussian distributed data and derive a theoretical probability density function (PDF) for the interferogram, the new adaptive detection scheme automatically extracts moving targets from stationary clutter and noise. By this method the probability of false alarm Pfa is greatly reduced and the minimum detectable velocity (MDV) is investigated.

Original languageEnglish
Pages (from-to)84-89
Number of pages6
JournalHangkong Xuebao/Acta Aeronautica et Astronautica Sinica
Volume26
Issue number1
StatePublished - Jan 2005

Keywords

  • Along track interferometry
  • Ground moving target indication
  • Minimum detectable velocity
  • Probability of false alarm
  • Synthetic aperture radar

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