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INTERFEROMETRIC ISAR THREE-DIMENSIONAL IMAGING USING ONE ANTENNA

By C. Liu, X. Gao, W. Jiang, and X. Li

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Abstract:
Conventional interferometric ISAR (InISAR) imaging requires a radar system with at least three antennas, and the hardware complexity may be a main obstacle to practical realization. In this paper, we propose an InISAR three-dimensional imaging algorithm using only one antenna. Interferometric processing is carried out among ISAR images obtained during three near measurement intervals. The scatterer position in the range direction is obtained from range cell number in ISAR images, and the azimuth/height information is estimated from interferometric phases and geometrical relationship. Moreover, the target track requirements of the proposed method are also investigated. Simulations have shown the effectiveness of the proposed method.

Citation:
C. Liu, X. Gao, W. Jiang, and X. Li, "Interferometric ISAR Three-Dimensional Imaging Using One Antenna," Progress In Electromagnetics Research M, Vol. 21, 33-45, 2011.
doi:10.2528/PIERM11070803

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