Abstract

Environmental perception provides essential information for the in-vehicle system. Furthermore, sensors are necessary components to collect data for environmental perception and research on the application of millimeter wave radar has become a hot spot in recent years. In order to improve the environmental perception performance of millimeter wave radar in static situation and in motion, this paper analyzed reasons for the insufficient measurement of millimeter wave radar and improved filter methods to reduce the impact of noise or environment on millimeter wave radar. RCS (Radar Cross Section) filter, sliding window filter and angle filter were used in the experiment. Experiment results show that in static situation, the environmental perception performance of millimeter wave radar could be effectively improved by improving the filter method and adopting the combined filter method. Furthermore, using sliding window filter and adjusting the window size correctly, the environmental perception based on millimeter wave radar performed well in motion.

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