Abstract:

Radar performance is greatly impacted by atmospheric environment, the propagation characteristics,such as the fading due to atmosphere, frog, rain, snow, and sand are simulated based on 79 GHz frequency band. Radar performance in different weather conditions are also simulated and analyzed. Results show that 79 GHz frequency band radar has a certain attenuation under different weather conditions, and the rainfall is the main influence. This research provides a theoretical basis for further development and utilization of 79 GHz frequency band used in the intelligent transportation system.

Key words: vehicular radar, 79 GHz frequency band, propagation characteristics, intelligent transportation system