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Remote detection and measurement of objects

  • US 8,103,604 B2
  • Filed: 03/18/2008
  • Issued: 01/24/2012
  • Est. Priority Date: 03/18/2008
  • Status: Active Grant
First Claim
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1. A system for remote detection of one or more dimensions of a metallic and/or dielectric object, comprising:

  • a transmission apparatus, including a transmission element, configured to direct microwave and/or mm wave radiation in a predetermined direction,a detection apparatus configured to receive radiation from an entity resulting from the transmitted radiation and to generate one or more detection signals in the frequency domain, anda controller, the controller being operable to(i) cause the transmitted radiation to be swept over a predetermined range of frequencies,(ii) perform a transform operation on the detection signal(s) to generate one or more transformed signals in the time domain, and(iii) determine, from one or more features of the transformed signal, one or more dimensions of a metallic or dielectric object upon which the transmitted radiation is incident,wherein the controller is configured to normalize according to a range one or more transformed signals.

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