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Vehicle radar system having multiple operating modes

  • US 7,400,290 B2
  • Filed: 12/30/2005
  • Issued: 07/15/2008
  • Est. Priority Date: 12/30/2005
  • Status: Active Grant
First Claim
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1. A method of operating a vehicle radar system, the method comprising:

  • determining an environment in which the vehicle radar system is disposed;

    selecting a mode of operation for the vehicle radar system based upon the determined environment; and

    generating a chirp signal based upon the determined environment,wherein the environment comprises one of a highway environment or a city environment, the city environment comprises vehicles moving at less relative velocities than the highway environment,wherein generating the chirp signal comprises;

    generating a first chirp signal in the city environment; and

    generating a second chirp signal in a highway environment, the second chirp signal having a shorter period than the first chirp signal.

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