Noncooperative target imaging technology based on CSI-ISAR method
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TN957.52

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    Abstract:

    Synthetic aperture radar (SAR) utilizes relative motion between the radar platforms and targets to form long aperture, which is designed for static targets and finally obtain high resolution images. There are moving targets in the ground stationary scene. Since the motion parameters are unknown, the moving targets are hardly focused in SAR image. On the other hand, inverse synthetic aperture radar (ISAR) technology has been known that moving targets can be focused depending on the motion of targets and static radar platform. The work of this paper combines the multichannel SAR-GMTI technology and come up with the image of non-cooperative moving target based on clutter suppression interference (CSI) and ISAR. And meanwhile moving targets are detected after CSI processing before ISAR processing which picks the main energy area of the targets. At the end of the paper, simulation results prove the effectiveness of the chain and success of moving targets defocus.

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  • Received:
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  • Online: July 29,2021
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