Linear and circular UWB millimeter-wave and terahertz monostatic near-field synthetic aperture Iimaging
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Solano Pérez, José Antonio; Martínez Inglés, María Teresa; Molina García-Pardo, José María; Romeu Robert, Jordi; Jofre Roca, Lluís; [et al.]Área de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
This research was funded by the Ministry of Education and Science, Spain (TEC2016-78028-C3-1-P and TEC2016-78028-C3-2-P) and by the European FEDER funds.Fecha de publicación
2020-10-03Editorial
MDPICita bibliográfica
Solano-Perez, J.A.; Martínez-Inglés, M.-T.; Molina-Garcia-Pardo, J.-M.; Romeu, J.; Jofre, L.; Rodríguez, J.-V.; Mateo-Aroca, A. Linear and Circular UWB Millimeter-Wave and Terahertz Monostatic Near-Field Synthetic Aperture Imaging. Sensors 2020, 20, 1544. https://doi.org/10.3390/s20061544Palabras clave
ImagingMillimetric wave
Terahertz
Measurements
Resumen
Millimeter-wave and terahertz frequencies offer unique characteristics to simultaneously obtain good spatial resolution and penetrability. In this paper, a robust near-field monostatic ocusing technique is presented and successfully applied for the internal imaging of different penetrable geometries. These geometries and environments are related to the growing need to furnish new vehicles with radar-sensing devices that can visualize their surroundings in a clear and robust way. Sub-millimeter-wave radar sensing offers enhanced capabilities in providing information with a high level of accuracy and quality, even under adverse weather conditions. The aim of this paper was to research the capability of this radar system for imaging purposes from an analytical and experimental point of view. Two sets of measurements, using reference targets, were performed in the W band at 100 GHz (75 to 110 GHz) and terahertz band at 300 GHz (220 to 330 GHz). The results show spatial resolutions of milli ...
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