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Proceedings Paper

Scene simulation of passive millimeter wave images of plastic and metal objects
Author(s): Neil Anthony Salmon; Roger Appleby; Sean Price; David J. Daniels; Ken Mann
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Paper Abstract

This paper describes scene simulation in passive millimeter wave imaging. The appearance of flat metal and plastic objects is simulated, as viewed from a grazing incidence angle, using a passive millimeter wave imager. The assumptions and essential physics behind the simulation are reviewed. The simulations are made in the atmospheric window at 90 GHz. Experimental data taken at 35 GHz is presented for comparison. It is demonstrated that metal objects have generally low radiation temperatures in relation to their environments. Plastics on the other hand can have higher or lower radiation temperatures than their backgrounds, dependent on the polarization, the type of earth, its condition and the amount of water present. In the cases demonstrated in this paper the simulations agree well the experimental data.

Paper Details

Date Published: 27 November 2001
PDF: 5 pages
Proc. SPIE 4491, Subsurface and Surface Sensing Technologies and Applications III, (27 November 2001); doi: 10.1117/12.450187
Show Author Affiliations
Neil Anthony Salmon, QinetiQ (United Kingdom)
Roger Appleby, QinetiQ (United Kingdom)
Sean Price, QinetiQ (United Kingdom)
David J. Daniels, ERA Technology Ltd. (United Kingdom)
Ken Mann, ERA Technology Ltd. (United Kingdom)

Published in SPIE Proceedings Vol. 4491:
Subsurface and Surface Sensing Technologies and Applications III
Cam Nguyen, Editor(s)

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