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Apparatus and method for long term tracking for ASW applications

  • US 7,627,424 B1
  • Filed: 06/06/2005
  • Issued: 12/01/2009
  • Est. Priority Date: 06/06/2005
  • Status: Expired due to Fees
First Claim
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1. A target tracking and plotting method for a target, said method being provided for use in a computerized system, comprising:

  • identifying the target with initial coordinates and an initial time;

    obtaining second coordinates for the identified target at a second time;

    building a leg from the initial coordinates, initial time, second coordinates and second time if said initial coordinates are a threshold distance away from said second coordinates;

    recording the built leg;

    obtaining current coordinates for the identified target at a current time if said current coordinates are the threshold distance away from said second coordinates;

    determining if the target is maintaining a steady speed;

    determining if the target is maintaining a steady course;

    entering the current coordinates for the identified target as an addition to the built leg if the target is maintaining a steady speed and a steady course;

    recording the addition to the built leg;

    restarting said step of identifying the target with said current coordinates and current time when the target is not maintaining a steady speed;

    restarting said step of identifying the target with said current coordinates and current time when the target is not maintaining a steady course; and

    providing plots of any selected recorded legs when a demand is received.

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