Millimeter-wave imaging is attracting increasing interest due to the non-ionizing nature of millimeter-wave radiation and the benefits that it entails for various emerging applications. This work uses a low-cost radar architecture that scans a commercial V Band multiple-input multiple-output (MIMO) radar sensor in several locations to synthesize a larger radar aperture. This paper presents the image reconstruction of two targets placed in different ranges with limited scanning and reduced aperture size to overcome the high overall system cost and weight associated with traditional multi-element apertures. We show simulated and experimental measurements by utilizing a 20TX/20RX single-board radar from 62 to 67 GHz.
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Nusrat et al. (2024) studied this question.
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