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Suppressing HRRP grating lobes in stepped-frequency train of LFM pulses using extended correlation

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3 Author(s)
Dai, X.Z. ; Tsinghua Univ., Beijing ; Xu, J. ; Peng, Y.N.

Presented is a novel extended correlation method to suppress the grating lobes of the high-resolution range profiles (HRRP) synthesised via the stepped frequency train of LFM pulses (SFT-LFM). By uniformly spacing the nulls of the envelope term to nullify the grating lobes, the method may effectively improve the sidelobe behaviour of SFT-LFM HRRP without loss of the range resolution. Numerical experiments illustrate the effectiveness of the method.

Published in:

Electronics Letters  (Volume:43 ,  Issue: 25 )