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Over the past few years, the scientific community, both in academia and industry, witnessed a continuous and persistent effort in order to close the unexplored portion of the electromagnetic spectrum called THz gap, ranging from 100 GHz to 10 THz. Thanks to its properties, the THz technology finds application in diverse dual-use areas, spanning from chemical to pharmaceutical, biology and environmental...
The paper deals with the problem of early detecting cracks in composite materials for avionic applications. In particular, the authors present a THz imaging system that exploits compressive sampling (CS) to detect submillimeter cracks with a reduced measurement burden. Traditional methods for THz imaging usually involve raster scan of the issue of interest by means of highly collimated radiations...
The paper deals with the problem of through-the-wall detecting, localizing and tracking moving targets by means of radio-frequency imaging. In particular, the authors present hereinafter a new method capable of locating and tracking the position of hidden targets (e.g. human bodies in rescue missions) thanks to the use of multisensor system and a proper linear inversion scheme. Preliminary results...
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