L-3 Communications Cyterra Corporation

Stephen Cole

William Steinway

David H Fine

Douglas O Carlson

Ravi K Konduri

Daniel J O'Donnell

James McNeill

Richard Sheldon

Ronald Hill

Raymond Gill

Yuriy Pylypenko

Techniques for detecting contraband are described, as are techniques for generating an image of living tissue. A location of interest relative to a target space is received, and a radar signal is transmitted in the direction of the location of interest. Portions of the radar signal are detected with multiple receiving structures. The detected portions are processed to generate information corresponding to dielectric or loss properties, the properties corresponding to particular positions within the target space. A determination is made as to whether contraband is present in the target space based on the determined properties.

Computerized tomography using radar

Sensing moving entities includes transmitting a stepped-frequency radar signal including multiple frequencies through a wall from a first side of the wall to a second side of the wall. Portions of the radar signal that are reflected by entities located beyond the second side of the wall are detected. The reflected portions are processed to generate processed data including information associated with frequency shifts between the transmitted signal and the detected signal. The processed data is analyzed to determine if reflected portions are associated with moving entities.

Moving-entity detection

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Orlando, FL, United States of America

Stephen Cole