Anti-collision radars help prevent car accidents by detecting obstacles around vehicles equipped with such systems. This task relies on a high-performance antenna, which can detect the obstacles efficiently around the care. In this paper, we investigate the design of multi-beam antennas by the technique of optical transformation. Analytical formulas of the permittivity and permeability tensors are presented for the metamaterial layer in the antenna. The designed multi-beam antennas are validated by full-wave simulations using the finite-element method. The proposed multi-beam antennas will be very useful in the intelligent traffic system.
Design of multi-beam antennas via optical transformation for anti-collision radar system
2008
4 Seiten, 17 Quellen
Conference paper
English
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