Wide bandwidth, millimeter-resolution inverse synthetic aperture radar imaging
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© 2017 Optical Society of America The combination of wide bandwidth W-band inverse synthetic aperture radar imagery and high-fidelity numerical simulations has been used to identify distinguishing signatures from simple metallic and dielectric targets. Targets are located with millimeter-scale accuracy using super-resolution techniques. Radon transform reconstructions of the returns from rotated targets approached the image quality of the complete data set in a fraction of the time by sampling as few as 10 angles. The limitations of shooting-and-bouncing ray simulations at high frequencies are illustrated through a critical comparison of their predictions with the measured data and the method of moments simulations, indicating the importance of accurately capturing the obfuscating role played by multipath interference in complex targets.
Published Version (Please cite this version)10.1364/JOSAA.34.001073
Publication InfoRichard, Jonathan T; Heimbeck, Martin S; Blake Autin, L; & Everitt, Henry O (2017). Wide bandwidth, millimeter-resolution inverse synthetic aperture radar imaging. Journal of the Optical Society of America A: Optics and Image Science, and Vision, 34(7). pp. 1073-1079. 10.1364/JOSAA.34.001073. Retrieved from https://hdl.handle.net/10161/16055.
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Adjunct Professor of Physics
Dr. Everitt is one of the Army's chief scientists. He works at the Army's Aviation and Missile RD&E Center at Redstone Arsenal, AL. Through his adjunct appointment in the Duke Physics Department, he leads an active experimental research group in condensed matter physics, nanophotonics, molecular physics, and novel terahertz imaging with colleagues on campus and through an international network of collaborators. Four principal research areas are being pursued: 1) Ultrafast Spectroscopy.