Multistatic concealed object detection

Data processing: measuring – calibrating – or testing – Measurement system – Dimensional determination

Reexamination Certificate

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C342S022000, C378S004000

Reexamination Certificate

active

08060339

ABSTRACT:
Concealed object detection using electromagnetic and acoustic multistatic imaging systems and methods. A method of simultaneously screening plural subjects for concealed objects includes transmitting a signal into a screening area where there is at least one subject to be screened having an associated object, receiving a reflected signal from the object when the object is located within the screening area, processing the reflected signal using multistatic Fourier space sampling and tomographic reconstruction to generate a three-dimensional image of the object and displaying the three-dimensional image. The transmitting and receiving are performed using a multi-directional array including at least three sensors. An object detection system includes a screening area, a multi-directional array including at least three sensors, a processor configured to execute multistatic Fourier space sampling and tomographic reconstruction and a display.

REFERENCES:
patent: 6426995 (2002-07-01), Kim et al.
patent: 6504892 (2003-01-01), Ning
patent: 2006/0273255 (2006-12-01), Volkov et al.
patent: 2007/0205937 (2007-09-01), Thompson et al.
patent: 2007/0249927 (2007-10-01), Basser et al.
International Search Report for PCT/US2009/39048, mailed May 20, 2009.

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