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System and method for radio frequency penetration imaging of an object

  • US 10,290,948 B2
  • Filed: 08/02/2016
  • Issued: 05/14/2019
  • Est. Priority Date: 08/02/2015
  • Status: Active Grant
First Claim
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1. A RF (Radio Frequency) imaging system, for imaging at least one object within a target medium, the system comprisinga generation and reception subsystem configured to generate and receive a plurality of RF signals;

  • an RF antenna array, the RF antenna array comprises a plurality of antennas, said plurality of antennas are configured to transmit the plurality of RF signals towards the target medium and receive a plurality of RF signals reflected from the target medium;

    a data acquisition subsystem configured to receive and store said plurality of reflected RF signals; and

    at least one processor, said at least one processor is configured to;

    estimate the distance between the surface of the target medium and the antenna array;

    estimate the delay between the plurality of transmitted signals and the plurality of signals reflected from the at least one object, wherein the delay is estimated using a dedicated frequency sub-band of the received signals;

    estimate the location of the plurality of antennas at each transmitting time; and

    provide an image of the at least one object location and the intensity of the plurality of reflected RF signals.

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