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Coherent geolocation system

  • US 7,315,280 B2
  • Filed: 05/25/2004
  • Issued: 01/01/2008
  • Est. Priority Date: 05/25/2004
  • Status: Active Grant
First Claim
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1. A method for ascertaining the location of a non-cooperative pulse train emitter initially having an unknown frequency and pulse characteristics, comprising the steps ofcollecting pulses from the non-cooperative emitter at a single collector serving as an antenna, the antenna moved to a plurality of locations, such that one moveable antenna and one receiving system are used;

  • measuring the time of arrival of collected pulses at the plurality of locations using a coherent processing technique; and

    ,determining from the measured times of arrival of the collected pulses the location of the pulse train emitter.

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