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Distance factor learning device, distance factor learning method, distance factor learning program, recording medium recording said program, movement condition computing device, and present position computing device

  • US 20030204310A1
  • Filed: 04/25/2003
  • Published: 10/30/2003
  • Est. Priority Date: 04/26/2002
  • Status: Active Grant
First Claim
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1. A distance factor learning device comprising:

  • a signal acquisition section, acquiring a signal that is generated in accordance with the movement of a mobile body;

    a distance information acquisition section, acquiring distance information concerning the movement distance of said mobile body;

    a distance factor computing section, computing a distance factor value based on said signal and said distance information;

    a reference value storage section, storing a distance factor reference value that is in accordance with the movement characteristics of said mobile body;

    a change detection section, comparing said distance factor value with said distance factor reference value and thereby detecting a continuous change of said distance factor value; and

    a distance factor correction section, correcting said distance factor reference value when a continuous change of said distance factor value is detected by said change detection section.

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