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System and method for calibration of measurements of interacted EM signals in real time

  • US 8,907,682 B2
  • Filed: 07/30/2010
  • Issued: 12/09/2014
  • Est. Priority Date: 07/30/2009
  • Status: Active Grant
First Claim
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1. A method of calibrating a measurement of electromagnetic (EM) signals, comprising:

  • conducting an EM signal to a splitter via a dynamic transmission path having variation in at least one of a time response and a frequency response over time;

    separating at least one reference signal component from said EM signal using said splitter;

    delaying at least one of said EM signal and said at least one reference signal component;

    intercepting a reception that combines said EM signal after an interaction with a target object and said at least one reference signal component after at least one interaction with at least one reference element having at least one of a known time response and a known frequency response;

    extracting said EM signal after said interaction with said target object and said at least one reference signal component from said reception during different time slots; and

    compensating for said variation by calibrating a measurement of said interacted EM signal by a signal analysis of said extracted and interacted at least one reference signal component.

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