Multi Ray Model for Near-Ground Millimeter Wave Radar
AbstractA quasi-optical multi-ray model for a short-range millimeter wave radar is presented. The model considers multi-path effects emerging while multiple rays are scattered from the target and reflected to the radar receiver. Among the examined scenarios, the special case of grazing ground reflections is analyzed. Such a case becomes relevant when short range anti-collision radars are employed in vehicles. Such radars operate at millimeter wavelengths, and are aimed at the detection of targets located several tens of meters from the transmitter. Reflections from the road are expected to play a role in the received signal strength, together with the direct line-of-sight beams illuminated and scattered from the target. The model is demonstrated experimentally using radar operating in the W-band. Controlled measurements were done to distinguish between several scattering target features. The experimental setup was designed to imitate vehicle near-ground millimeter wave radars operating in vehicles. A comparison between analytical calculations and experimental results is made and discussed. View Full-Text
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Etinger, A.; Litvak, B.; Pinhasi, Y. Multi Ray Model for Near-Ground Millimeter Wave Radar. Sensors 2017, 17, 1983.
Etinger A, Litvak B, Pinhasi Y. Multi Ray Model for Near-Ground Millimeter Wave Radar. Sensors. 2017; 17(9):1983.Chicago/Turabian Style
Etinger, Ariel; Litvak, Boris; Pinhasi, Yosef. 2017. "Multi Ray Model for Near-Ground Millimeter Wave Radar." Sensors 17, no. 9: 1983.
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