The Research on Doppler-only Imaging Algorithm of the Mid-course Missile Object

Ding Xiao-feng; Wei Xi-zhang; Hu Jie-min; Li Xiang

doi:10.3724/SP.J.1146.2008.01612

Volume 31 Issue 12

Dec. 2010

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Article Navigation > Journal of Electronics & Information Technology > 2009 > 31(12): 2864-2868

Ding Xiao-feng, Wei Xi-zhang, Hu Jie-min, Li Xiang. The Research on Doppler-only Imaging Algorithm of the Mid-course Missile Object[J]. Journal of Electronics & Information Technology, 2009, 31(12): 2864-2868. doi: 10.3724/SP.J.1146.2008.01612

Citation:

Ding Xiao-feng, Wei Xi-zhang, Hu Jie-min, Li Xiang. The Research on Doppler-only Imaging Algorithm of the Mid-course Missile Object[J]. Journal of Electronics & Information Technology, 2009, 31(12): 2864-2868. doi: 10.3724/SP.J.1146.2008.01612

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The Research on Doppler-only Imaging Algorithm of the Mid-course Missile Object

doi: 10.3724/SP.J.1146.2008.01612

Received Date: 2008-12-04
Rev Recd Date: 2009-05-25
Publish Date: 2009-12-19

Abstract

Abstract

The midcourse missile imaging method is the key technology for the missile-defense system. Conventional ISAR imaging methods require a uniform function to compensate the phase of the echo. The function is difficult to acquire in the wideband case, so the ISAR imaging result is always smeared. This paper provides a new signal processing algorithm called time-frequency trunk line extraction method. By enhancing the amplitude of the time-frequency doppler which extracted from the narrowband radar return signal, the method improves the doppler imaging resolution effectively. The simulation results and anechoic chamber data of the representative cone-shaped object show that the imaging of the missile target can be obtained from the narrowband radar doppler information using this method.

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References

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