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System for determining the movement of a swaying structure

  • US 8,604,964 B2
  • Filed: 10/14/2009
  • Issued: 12/10/2013
  • Est. Priority Date: 10/15/2008
  • Status: Expired due to Fees
First Claim
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1. An arrangement for calibrating a radio system for determining the position of at least one mobile transmitter in a three-dimensional space using a plurality of receivers of which at least one is fastened to a structure swaying due to environmental influences and comprising a system includingat least three reference transmitters having a respective known and fixed position whose transmitted signals are formed as signals modulated onto a carrier whereby the carriers of the at least three reference transmitters have the same defined carrier frequency,an evaluation device which is configured to determine measured phase values from the transmitted signals of the individual reference transmitters received by the receiver fastened to the swaying structure while taking account of the defined carrier frequency, from which measured phase values the distance respectively from the reference transmitters and the position change of the receiver at the swaying structure, can be calculated,wherein a further evaluation device is provided which calculates the position of the mobile transmitter taking account of the position change of the receiver fastened to the structure in the determination of the position of the mobile transmitter.

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