Jian Tao, He You, Su Feng, Ping Dianfa, Gu Xinfeng. Fast Converging Estimator for Covariance Matrix Structure of Compound-Gaussian Clutter[J]. Chinese Journal of Electronics, 2010, 19(3): 579-582.
Citation: Jian Tao, He You, Su Feng, Ping Dianfa, Gu Xinfeng. Fast Converging Estimator for Covariance Matrix Structure of Compound-Gaussian Clutter[J]. Chinese Journal of Electronics, 2010, 19(3): 579-582.

Fast Converging Estimator for Covariance Matrix Structure of Compound-Gaussian Clutter

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-07-05
  • In order to estimate the covariance matrix structure of compound-Gaussian clutter, a Fast converging estimator (FCE) is proposed. Moreover, for the match case, the FCE is independent of the clutter power levels. Furthermore, the simulation results show that the estimation accuracy of FCE improves as the one-lag correlation coefficient or the number of secondary data increases, but it is degraded as the number of pulses increases. In addition, the FCE is very robust with respect to different subsets. Compared to the existing estimators, the FCE accelerates convergence rate and improves estimation accuracy with moderate computational burden.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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