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Proceedings Paper

The monitoring of critical infrastructures using microwave radiometers
Author(s): Markus Peichl; Stephan Dill; Matthias Jirousek; Helmut Süß
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Paper Abstract

Microwaves in the range of 1-300 GHz are used in many respects for remote sensing applications. Besides radar sensors particularly passive measurement methods are used for two-dimensional imaging. The imaging of persons and critical infrastructures for security purposes is of increasing interest particularly for transportation services or public events. Personnel inspection with respect to weapons and explosives becomes an important mean concerning terrorist attacks. Microwaves can penetrate clothing and a multitude of other materials and allow the detection of hidden objects by monitoring dielectric anomalies. Passive microwave remote sensing allows a daytime independent non-destructive observation and examination of the objects of interest under nearly all weather conditions without artificial exposure of persons or areas. The performance of millimeter-wave radiometric imaging with respect to wide-area surveillance is investigated. Measurement results of some typical critical infrastructure scenarios are discussed. Requirements for future operational systems are outlined exploring a radiometric range equation.

Paper Details

Date Published: 18 April 2008
PDF: 12 pages
Proc. SPIE 6948, Passive Millimeter-Wave Imaging Technology XI, 69480K (18 April 2008); doi: 10.1117/12.777631
Show Author Affiliations
Markus Peichl, DLR (Germany)
Stephan Dill, DLR (Germany)
Matthias Jirousek, DLR (Germany)
Helmut Süß, DLR (Germany)

Published in SPIE Proceedings Vol. 6948:
Passive Millimeter-Wave Imaging Technology XI
Roger Appleby; David A. Wikner, Editor(s)

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