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Super-resolution algorithm for instantaneous ISAR imaging

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2 Author(s)
S. Changyin ; Key Lab. for Radar Signal Process., Xidian Univ., Xi'an, China ; B. Zhang

The super resolution method is investigated for use in instantaneous inverse synthetic aperture radar (ISAR) imaging. The time-varying Doppler spectrum is modelled as that of superimposed LFM chirp signals in a short time interval. A parametric relaxation-based algorithm is proposed for estimating the parameters of the signal. The effectiveness of the algorithm is verified by applying it to ISAR imaging

Published in:

Electronics Letters  (Volume:36 ,  Issue: 3 )