Abstract
In this paper the influence of antenna radiation pattern on the imaging performance of a highly integrated Millimeter Wave Radar is presented. For evaluation of the MIMO imaging performance the implemented antenna array topology is shown and using an analytical antenna model the simulated point spread function is given for different antenna half-power beamwidths. Simulated and measured characterization of a circularly polarized cavity backed patch antenna on a Rogers® RT/duroid 5880 substrate implemented in a compact radar system is presented. The experimental evaluation of the imaging performance is carried out by comparing simulation and measurement of a scenario with multiple point-like scatterer using the realized antenna element.
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