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A new 94 GHz collision avoidance radar sensor using six-port phase frequency discriminator

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5 Author(s)
E. Moldovan ; Dept. de Genie Electr., Ecole Polytech. de Montreal, Que., Canada ; S. O. Tatu ; T. Gaman ; Ke Wu
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A new prototype of collision avoidance radar sensor at 94 GHz is proposed. The receiver front-end module is realized using a six-port phase/frequency discriminator (SPD). The SPD is composed of four 90/spl deg/ hybrid couplers fabricated in metal blocks using a computer numerically controlled (CNC) milling machine. System simulations to obtain the relative speed of the target and the distance to the target using a SPD model based on 90/spl deg/ hybrid coupler measurement results, are presented. Statistical evaluations of the proposed radar sensor performances are also discussed.

Published in:

Microwave Symposium Digest, 2003 IEEE MTT-S International  (Volume:1 )

Date of Conference:

8-13 June 2003