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Three-Dimensional Imaging of Targets Using Colocated MIMO Radar

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4 Author(s)
Changzheng Ma ; Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore ; Tat Soon Yeo ; Chee Seng Tan ; Zhoufeng Liu

Conventional inverse synthetic aperture radar image is a 2-D range-Doppler projection of a target and does not provide 3-D information. Its formation also requires complex motion compensation when the target is uncooperative and maneuvering. On the other hand, multiple-input and multiple-output (MIMO) radar, in addition to having a wide virtual aperture and high cross-range resolution, could also obtain a target's 3-D image in one snapshot and thus have avoided the complex motion compensation needed. In this paper, we propose a 3-D imaging algorithm using three MIMO configurations. The signal model is derived based on a modified zero correlation zone code. A strong scatterer selection criterion is also proposed for the construction of the target profile.

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:49 ,  Issue: 8 )