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dc.contributor.authorMonzó Cabrera, Juan 
dc.contributor.authorPedreño Molina, Juan Luis 
dc.contributor.authorToledo Moreo, Ana Belén 
dc.contributor.authorLozano Guerrero, Antonio José 
dc.date.accessioned2010-12-20T12:16:04Z
dc.date.available2010-12-20T12:16:04Z
dc.date.issued2008-12
dc.identifier.citationMONZÓ CABRERA, Juan, PEDREÑO MOLINA, Juan L., LOZANO GUERRERO. Antonio, TOLEDO MOREO, Ana. A novel design of a robust ten-port microwave reflectometer with autonomous calibration by using neural networks. IEEE Transactions on Microwave Theory and Techniques, 56 (12 parte 1) : 2972 - 2978, 2008. ISSN 0018-9480en_US
dc.identifier.issn0018-9480
dc.description.abstractIn this study, a novel ten-port waveguide microwave sensor is designed, implemented, calibrated and tested in order to obtain the reflection coefficient magnitude and phase. This reflectometer is based on the well known six-port structure but the number of detectors has been increased to eight in order to improve the sampling procedure of the standing wave present within the waveguide. In addition, a learning method based on neural networks’ usage has been implemented for autonomous calibration from the data collected by a vector network analyzer. An automated procedure consisting of a moving sample within a multimode cavity has enabled different reflection coefficients to be obtained. Neural networks have been employed in order to learn the relationship between the actual reflection parameter and the acquired signals from eight power detectors. This novel device has been calibrated with a neural architecture based on radial basis functions and the error of device measurements has been analyzed. This new design and the incorporated neural network calibration allow one to avoid problems caused by fault or nonlinearity of the detectors, and to get robustness, flexibility and adaptability characteristics for the presented device.en_US
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dc.language.isoengen_US
dc.publisherIEEE Microwave Theory and Techniques Societyen_US
dc.rightsCopyright © 2008 IEEEen_US
dc.titleA novel design of a robust ten-port microwave reflectometer with autonomous calibration by using neural networksen_US
dc.typeinfo:eu-repo/semantics/articleen_US
dc.subject.otherTeoría de la Señal y las Comunicacionesen_US
dc.subjectTen-porten_US
dc.subjectNeural networken_US
dc.subjectAutonomous calibrationen_US
dc.subjectReflectometeren_US
dc.subjectDiez puertosen_US
dc.subjectRed neuronalen_US
dc.subjectCalibración autónomaen_US
dc.subjectReflectómetroen_US
dc.identifier.urihttp://hdl.handle.net/10317/1484
dc.peerreviewen_US
dc.contributor.investgroupGrupo de Electromagnetismo y Materia (GEM)en_US
dc.contributor.investgroupDivisión de Sistemas e Ingeniería electrónica (DSIE)en_US
dc.identifier.doi10.1109/TMTT.2008.2007318


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