Microwave radar is a method for detecting the position and velocity of a distant object. A beam of electromagnetic radiation, with a wavelength between 30 cm and 1 mm, is transmitted and reflected back to the transmitter by the object. Velocity and range can be derived by measuring the doppler frequency shift and the time of flight of the transmission. These techniques have been used widely in aerospace and defence applications for many years. Recently, the advent of low cost devices has led to an increase in consumer applications. This paper investigates applications of microwave radar in the automotive environment. Many of these applications are considered by reviewing work at Lucas that has been conducted over the last 25 years. Applications investigated are obstacle detection and avoidance, longitudinal vehicle control, improved vehicle dynamics and instrumentation. In each case, the technologies are described and results presented that show the advantages and disadvantages of the microwave techniques.
Automotive applications of microwave radar
Anwendung des Mikrowellenradar in Kraftfahrzeugen
1993
5 Seiten, 5 Bilder, 10 Quellen
Aufsatz (Konferenz)
Englisch
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