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SYSTEM AND METHOD FOR INSPECTING TRANSPORTABLE ITEMS USING MICROWAVE IMAGING

  • US 20060214835A1
  • Filed: 03/24/2005
  • Published: 09/28/2006
  • Est. Priority Date: 03/24/2005
  • Status: Active Grant
First Claim
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1. A microwave inspection system for inspecting transportable items, comprising:

  • a transmit scanning panel including a transmit array of transmit antenna elements, each of the transmit antenna elements being programmably controllable to implement a respective phase delay to direct a transmit beam of microwave radiation toward a target of the transportable item for transmission therethrough;

    a receive scanning panel including a receive array of receive antenna elements, each of the receive antenna elements being programmably controllable to implement a respective phase delay to receive a receive beam of microwave radiation from the target; and

    a processor operable to measure an amplitude and phase of the microwave radiation in the receive beam to determine a relative value of a pixel within an image of the transportable item based on a reference value of the pixel.

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