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A Compact Constrained Metal Plate Lens for Anti-Collision Radar at 76 GHz


E. Jehamy, G. Landrac, S. Pinel, B. Dalla, F. Gallee, M. Ney

Laboratory of Electronics and Systems for Telecommunications (LEST), Brest, France

The design of a compact structure of bifocal metal plate lenses with horn source in foam technology is presented. The objective of the study is to develop an antenna that is able to achieve a ±15° beam scanning for avoidance radar systems at 76 GHz that should be embarked on future automobile generations. This application requires two conditions: A low-cost for mass production and a maximum compactness of the structure. In addition, one should maintain low side lobe level to avoid false alarms. Other requirements associated with the transmitted power (~10dBm) are: antenna gain (between 25 and 40 dB), linear polarisation and 30dB isolation between reception and transmission channels. (Download at http://www.uni-duisburg.de/FB9/HFT/INICA2007/2003/archive/inica_2003/7B4_Jehamy.PDF)

INICA

2003

September