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Motion Compensation of Moving Targets for High Range Resolution Stepped-Frequency Radar

Motion Compensation of Moving Targets for High Range Resolution Stepped-Frequency Radar

Sensors 8(5): 3429-3437

High range resolution (HRR) profiling using stepped-frequency pulse trains suffers from range shift and the attenuation/dispersion of range profiles while the target of interest is moving. To overcome these two drawbacks, a new algorithm based on the maximum likelihood (ML) estimation is proposed in this paper. Without altering the conventional stepped-frequency waveform, this algorithm can estimate the target velocity and thereby compensate the phase errors caused by the target's motion. It is shown that the velocity can be accurately estimated and the range profile can be correctly reconstructed.

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Accession: 058351185

Download citation: RISBibTeXText

PMID: 27879886

DOI: 10.3390/s8053429

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