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  4. Volume inspection of composite structures in aircraft radomes with FMCW terahertz radar at 100 and 150 GHz
 
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2018
  • Konferenzbeitrag

Titel

Volume inspection of composite structures in aircraft radomes with FMCW terahertz radar at 100 and 150 GHz

Abstract
We present a terahertz imaging system for aircraft radome inspection based on a dual-frequency FMCW radar working at center frequencies of 100 and 150 GHz and with 40 and 60 GHz bandwidth, respectively. The imaging sensor combines two all-electronic multiplier chains at the respective frequencies and is integrated in the production environment of radomes built of glass fiber-reinforced composite structures. While images acquired at the two distinct working frequencies can yield different information of possible structural defects, at the same time, a data fusion algorithm is applied combining the signals of both terahertz sensors for enhanced depth resolution by a total FMCW bandwidth of 100 GHz.
Author(s)
Bauer, Maris
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM
Keil, Andreas
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM
Matheis, Carsten
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM
Jonuscheit, Joachim
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM
Moor, Michael
Meggitt Polymers & Composites, UK-SG 1 Stevenage, UK
Denman, David
Meggitt Polymers & Composites, UK-SG 1 Stevenage, UK
Bramble, Jamie
Meggitt Polymers & Composites, UK-SG 1 Stevenage, UK
Savage, Nick
Meggitt Polymers & Composites, UK-SG 1 Stevenage, UK
Friederich, Fabian
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM
Hauptwerk
IRMMW-THz 2018, 43rd International Conference on Infrared, Millimeter, and Terahertz Waves
Konferenz
International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) 2018
Thumbnail Image
DOI
10.1109/IRMMW-THz.2018.8509952
Language
Englisch
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