Volume 3 Issue 5
Dec.  2014
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Tian Rui-qi, Bao Qing-long, Wang Ding-he, Chen Zeng-ping. An Algorithm for Target Parameter Estimation Based on Fractional Fourier and Keystone Transforms[J]. Journal of Radars, 2014, 3(5): 511-517. doi: 10.3724/SP.J.1300.2014.14058
Citation: Tian Rui-qi, Bao Qing-long, Wang Ding-he, Chen Zeng-ping. An Algorithm for Target Parameter Estimation Based on Fractional Fourier and Keystone Transforms[J]. Journal of Radars, 2014, 3(5): 511-517. doi: 10.3724/SP.J.1300.2014.14058

An Algorithm for Target Parameter Estimation Based on Fractional Fourier and Keystone Transforms

doi: 10.3724/SP.J.1300.2014.14058
  • Received Date: 2014-03-27
  • Rev Recd Date: 2014-07-10
  • Publish Date: 2014-10-28
  • An important standard to measure the effectiveness of radar acquisition systems is the accuracy of target parameter estimation. To solve the estimation problem, the echo model of moving targets is established and the FRactional Fourier Transform (FRFT) is subsequently used to estimate the acceleration; further, data fusion is used to raise estimation accuracy. Finally, Range Cell Migration (RCM) and Doppler ambiguity are solved by using the Keystone transform and the ambiguity channels based on the estimated acceleration. The simulation results show high accuracy, complexity, and noise robustness.
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An Algorithm for Target Parameter Estimation Based on Fractional Fourier and Keystone Transforms

doi: 10.3724/SP.J.1300.2014.14058

Abstract: An important standard to measure the effectiveness of radar acquisition systems is the accuracy of target parameter estimation. To solve the estimation problem, the echo model of moving targets is established and the FRactional Fourier Transform (FRFT) is subsequently used to estimate the acceleration; further, data fusion is used to raise estimation accuracy. Finally, Range Cell Migration (RCM) and Doppler ambiguity are solved by using the Keystone transform and the ambiguity channels based on the estimated acceleration. The simulation results show high accuracy, complexity, and noise robustness.

Tian Rui-qi, Bao Qing-long, Wang Ding-he, Chen Zeng-ping. An Algorithm for Target Parameter Estimation Based on Fractional Fourier and Keystone Transforms[J]. Journal of Radars, 2014, 3(5): 511-517. doi: 10.3724/SP.J.1300.2014.14058
Citation: Tian Rui-qi, Bao Qing-long, Wang Ding-he, Chen Zeng-ping. An Algorithm for Target Parameter Estimation Based on Fractional Fourier and Keystone Transforms[J]. Journal of Radars, 2014, 3(5): 511-517. doi: 10.3724/SP.J.1300.2014.14058

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