Invention Grant
US07643955B2 Multi-targeting method for measuring distance according to the phase measuring principle 有权
根据相位测量原理测量距离的多目标法

  • Patent Title: Multi-targeting method for measuring distance according to the phase measuring principle
  • Patent Title (中): 根据相位测量原理测量距离的多目标法
  • Application No.: US12064197
    Application Date: 2006-08-18
  • Publication No.: US07643955B2
    Publication Date: 2010-01-05
  • Inventor: Jurg Weilenmann
  • Applicant: Jurg Weilenmann
  • Applicant Address: CH Heerbrugg
  • Assignee: Leica Geosystems AG
  • Current Assignee: Leica Geosystems AG
  • Current Assignee Address: CH Heerbrugg
  • Agency: Workman Nydegger
  • Priority: EP05107764 20050824
  • International Application: PCT/EP2006/008184 WO 20060818
  • International Announcement: WO2007/022927 WO 20070301
  • Main IPC: G01C25/00
  • IPC: G01C25/00
Multi-targeting method for measuring distance according to the phase measuring principle
Abstract:
Distances to targets (2a, 2b) are simultaneously determined in a method for measuring distance according to the phase measuring principle with a time discrete emission of periodic signals (7) and a sampling of received signals for generating and optionally storing sampled values, whereby the signals have signal portions that are reflected by the targets (2a, 2b) and superimposed. A statistical parameter estimation problem based on a mathematical signal model is solved in such a manner that the number of the targets (2a, 2b) for more than one target (2a, 2b) is preset or fundamentally, the number of targets is determined by the method, and the inequalities D−≦Dk
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