A velocity estimation algorithm of moving targets using single antenna SAR

Gang Li; Xiang Gen Xia; Jia Xu; Ying Ning Peng

doi:10.1109/TAES.2009.5259182

A velocity estimation algorithm of moving targets using single antenna SAR

Gang Li^*, Xiang Gen Xia, Jia Xu, Ying Ning Peng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

82 Citations (Scopus)

Abstract

A new algorithm is proposed for velocity estimation of moving targets in single antenna synthetic aperture radar (SAR). Based on the fact that different velocity vectors cause different geometrical figures of the two-dimensional (2-D) signature in the range-Doppler (RD) domain, this algorithm estimates the azimuth and range velocities by a 2-D search such that the range cell migration correction (RCMC) and the second range compression (SRC) are correctly performed. It is shown that, using the proposed algorithm, the Doppler ambiguity problem can be avoided and satisfactory accurate velocity estimation can be obtained in high signal-to-clutter ratio (SCR) scenarios.

Original language	English
Article number	5259182
Pages (from-to)	1052-1062
Number of pages	11
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	45
Issue number	3
DOIs	https://doi.org/10.1109/TAES.2009.5259182
Publication status	Published - Jul 2009
Externally published	Yes

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10.1109/TAES.2009.5259182

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title = "A velocity estimation algorithm of moving targets using single antenna SAR",

abstract = "A new algorithm is proposed for velocity estimation of moving targets in single antenna synthetic aperture radar (SAR). Based on the fact that different velocity vectors cause different geometrical figures of the two-dimensional (2-D) signature in the range-Doppler (RD) domain, this algorithm estimates the azimuth and range velocities by a 2-D search such that the range cell migration correction (RCMC) and the second range compression (SRC) are correctly performed. It is shown that, using the proposed algorithm, the Doppler ambiguity problem can be avoided and satisfactory accurate velocity estimation can be obtained in high signal-to-clutter ratio (SCR) scenarios.",

author = "Gang Li and Xia, {Xiang Gen} and Jia Xu and Peng, {Ying Ning}",

year = "2009",

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AU - Li, Gang

AU - Xia, Xiang Gen

AU - Xu, Jia

AU - Peng, Ying Ning

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N2 - A new algorithm is proposed for velocity estimation of moving targets in single antenna synthetic aperture radar (SAR). Based on the fact that different velocity vectors cause different geometrical figures of the two-dimensional (2-D) signature in the range-Doppler (RD) domain, this algorithm estimates the azimuth and range velocities by a 2-D search such that the range cell migration correction (RCMC) and the second range compression (SRC) are correctly performed. It is shown that, using the proposed algorithm, the Doppler ambiguity problem can be avoided and satisfactory accurate velocity estimation can be obtained in high signal-to-clutter ratio (SCR) scenarios.

AB - A new algorithm is proposed for velocity estimation of moving targets in single antenna synthetic aperture radar (SAR). Based on the fact that different velocity vectors cause different geometrical figures of the two-dimensional (2-D) signature in the range-Doppler (RD) domain, this algorithm estimates the azimuth and range velocities by a 2-D search such that the range cell migration correction (RCMC) and the second range compression (SRC) are correctly performed. It is shown that, using the proposed algorithm, the Doppler ambiguity problem can be avoided and satisfactory accurate velocity estimation can be obtained in high signal-to-clutter ratio (SCR) scenarios.

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JF - IEEE Transactions on Aerospace and Electronic Systems

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A velocity estimation algorithm of moving targets using single antenna SAR

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