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Methods and apparatus for terrain correlation

  • US 6,803,878 B2
  • Filed: 05/13/2002
  • Issued: 10/12/2004
  • Est. Priority Date: 05/13/2002
  • Status: Active Grant
First Claim
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1. A method for testing operating capabilities of a radar system, said method comprising:

  • storing samples of radar data from a flight, the samples comprising body coordinate values;

    storing samples of global positioning satellite (GPS) data from the flight;

    interpolating the GPS data samples to provide GPS data samples that correspond to every radar data sample;

    selecting a plurality of the radar data samples;

    generating a simulated radar file of body coordinate values from a digital terrain elevation map file based on interpolated GPS data samples that correspond to the selected radar data samples; and

    comparing the body coordinate values from the simulated radar file to the body coordinate values from the corresponding radar data samples.

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