35-GHz radar sensor for automotive collision avoidance

Jun Zhang

doi:10.1117/12.354597

20 July 1999 35-GHz radar sensor for automotive collision avoidance

Jun Zhang

Proceedings Volume 3704, Radar Sensor Technology IV; (1999) https://doi.org/10.1117/12.354597
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

This paper describes the development of a radar sensor system used for automotive collision avoidance. Because the heavy truck may have great larger radar cross section than a motorcyclist has, the radar receiver may have a large dynamic range. And multi-targets at different speed may confuse the echo spectrum causing the ambiguity between range and speed of target. To get more information about target and background and to adapt to the large dynamic range and multi-targets, a frequency modulated and pseudo- random binary sequences phase modulated continuous wave radar system is described. The analysis of this double- modulation system is given. A high-speed signal processing and data processing component are used to process and combine the data and information from echo at different direction and at every moment.

Citation Download Citation

Jun Zhang "35-GHz radar sensor for automotive collision avoidance", Proc. SPIE 3704, Radar Sensor Technology IV, (20 July 1999); https://doi.org/10.1117/12.354597

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