Radar system for detecting distance, mutual speed and azimuth of

Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle

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342 71, 342107, 342113, 342115, 342116, 342133, 342146, 342196, G01S 1393

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057573077

ABSTRACT:
Receivers 14 and 16 comprise mixers 14b and 16b for mixing reception signals of receiver antennas 14a and 16a with a transmission signal to generate beat signals B1 and B2, respectively. Signal processing section 20 performs the Fourier transformation of beat signals B1 and B2 supplied from receivers 14 and 16 to obtain the phases of beat signals B1 and B2 and then obtain the azimuth based on the difference of these phases.

REFERENCES:
patent: 5517197 (1996-05-01), Algeo et al.
patent: 5579010 (1996-11-01), Iihoshi et al.
patent: 5619208 (1997-04-01), Tamatsu et al.
patent: 5652589 (1997-07-01), Ono et al.
Proceedings of the Vehicular Technology Conference, Stockholm, Jun. 8-10, 1994, vol. 1, 8 Jun. 1994, Institute of Electrical and Electronics Engineers, pp. 438-442, XP000496712, Lissel E et al.: "Radar Sensor for Car Applications".

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