Development of a low-cost 35 GHz radar sensor

Two different 35 GHz low-cost rf front-end Doppler units suited for automotive applications have been constructed. The homodyne unit consists of both receiving and transmitting corporate-fed microstrip patch array antennas, a microstrip directional coupler, a monolithic GaAs fected oscillator and an...

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Bibliographic Details
Published in:Annales des télécommunications 1997-03, Vol.52 (3-4), p.219-223
Main Authors: EFANOV, A. A, DISKUS, C. G, STELZER, A, THIM, H. W, LÜBKE, K, SPRINGER, A. L
Format: Article
Language:English
Subjects:
Antenna arrays
Applied sciences
Directional couplers
Exact sciences and technology
Low cost
Microstrip antennas
Patch antennas
Radiolocalization and radionavigation
Schottky diodes
Self oscillation
Telecommunications
Telecommunications and information theory
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Summary:Two different 35 GHz low-cost rf front-end Doppler units suited for automotive applications have been constructed. The homodyne unit consists of both receiving and transmitting corporate-fed microstrip patch array antennas, a microstrip directional coupler, a monolithic GaAs fected oscillator and an integrated single Schottky diode mixer. The autodyne configuration uses only one antenna and the fected as a self-oscillating mixer. Inexpensive microstrip technology has been used which yields a good compromise between cost factor and technical performance.
ISSN:0003-4347
1958-9395
DOI:10.1007/BF02996047