Efficient determination of frame time and length for ISAR imaging of targets in complex 3-D motion using phase nonlinearity and discrete polynomial phase transform
BS Kang, BH Ryu, KT Kim - IEEE Sensors Journal, 2018 - ieeexplore.ieee.org
BS Kang, BH Ryu, KT Kim
IEEE Sensors Journal, 2018•ieeexplore.ieee.orgWhen a target undergoes complex 3-D motions, focused inverse synthetic aperture radar
(ISAR) images cannot be obtained using any motion compensation algorithms. To address
this problem, we propose a method to determine the suitable frame time and length for 2-D
ISAR imaging, which exploits phase nonlinearity and discrete polynomial phase transforms.
In simulations and experiments, we observed that the proposed method can efficiently select
proper frame times and lengths for 2-D ISAR imaging.
(ISAR) images cannot be obtained using any motion compensation algorithms. To address
this problem, we propose a method to determine the suitable frame time and length for 2-D
ISAR imaging, which exploits phase nonlinearity and discrete polynomial phase transforms.
In simulations and experiments, we observed that the proposed method can efficiently select
proper frame times and lengths for 2-D ISAR imaging.
When a target undergoes complex 3-D motions, focused inverse synthetic aperture radar (ISAR) images cannot be obtained using any motion compensation algorithms. To address this problem, we propose a method to determine the suitable frame time and length for 2-D ISAR imaging, which exploits phase nonlinearity and discrete polynomial phase transforms. In simulations and experiments, we observed that the proposed method can efficiently select proper frame times and lengths for 2-D ISAR imaging.
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