journal6 ›› 2007, Vol. 28 ›› Issue (6): 77-80.

• Physics and electronics • Previous Articles     Next Articles

Detection of Multi Moving Targets in a SAR Image Based on High-Oder Ambiguity Function


  1. (1.Univ. of Aeronaut and Astronaut.,Nanjing 210016,China;2.Institute of Electronic Technology,Nanjing 210013,China)
  • Online:2007-11-25 Published:2012-06-10

Abstract: The time-frequency analysis can transform the time domain signal into time-frequency domain,and reveal the law of frequency changing with time.Combining with “clean” technique,the authors propose a multi moving targets indication method based on the modeling of instantaneous phase,induced by the relative radar/target motion,as a generic order polynomial and on the estimation of the polynomial coefficients by the so-called product high-order ambiguity function.  The simulation experiment result proves this method to be valid.

Key words: synthetic aperture radar, moving target detection, high order ambiguity function

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