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Doppler-shift radar transceiver for traffic monitoring system

  • US 20020060640A1
  • Filed: 04/30/2001
  • Published: 05/23/2002
  • Est. Priority Date: 06/01/1994
  • Status: Abandoned Application
First Claim
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1. A traffic monitoring system for monitoring speeds of moving vehicles, said traffic monitoring system comprising:

  • a Doppler radar transceiver; and

    a digital computer connected to said Doppler radar transceiver for processing a Doppler signal from said Doppler radar transceiver to determine speeds of said vehicles monitored by said Doppler radar transceiver;

    wherein said Doppler radar transceiver includes a pyramidal horn antenna having a rectangular aperture and a dielectric lens mounted at said rectangular aperture.

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