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Radar target poles extraction by exploiting frequency response of resonance region

  • Guang Xin Wu*
  • , Wei Bo Deng
  • , Song Yan Yang
  • *Corresponding author for this work
  • Nanjing Research Institute of Electronics Technology
  • School of Electronics and Information Engineering, Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A new method is proposed to estimate the parameters of damped sinusoids (poles) utilizing scattering responses data in frequency domain. Scattering responses of the frequency band in resonance region are calculated by the method of moments (MoM), and transient scattering responses are obtained using a fast inverse Fourier transform. The influence of poles number unknown and distinguishing early-time and late-time transient responses on poles extraction is investigated. Then a modified total least square matrix pencil method (MTLS-MPM) is presented and verified by two simulation examples of thin wire and aircraft. Poles results of them extracted for frequency domain data in different azimuth show that the new method is more convenient and precise in practice.

Original languageEnglish
Pages (from-to)774-778
Number of pages5
JournalXi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics
Volume33
Issue number4
DOIs
StatePublished - Apr 2011
Externally publishedYes

Keywords

  • Frequency data
  • Late-time transient response
  • Modified total least square matrix pencil method (MTLS-MPM)
  • Pole

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