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A Passive Compressive Device Associated With a Luneburg Lens for Multibeam Radar at Millimeter Wave
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A $4 \times 1$ passive compressive device (PCD), which works at millimeter wave, is proposed in this study. In a passive manner, the device allows to compress the signals from… Click to show full abstract
A $4 \times 1$ passive compressive device (PCD), which works at millimeter wave, is proposed in this study. In a passive manner, the device allows to compress the signals from four separated channels into a single channel. The PCD is a three-dimensional cavity that ensures each channel to be decorrelated with each others. Associated with a Luneburg lens, this allows to generate four distinct beams that are focused in different sectors. This is a multibeam real aperture radar configuration that allows to detect targets in real time. The configuration is validated by measurements.
