Usage of an automated three-stub water-loaded impedance generator for RBF calibration of a waveguide ten-port reflectometer
Author
Monzó Cabrera, Juan; Pedreño Molina, Juan Luis; Clemente Fernández, Francisco Javier; Díaz Morcillo, Alejandro Benedicto; Lozano Guerrero, Antonio JoséResearch Group
Grupo de Electromagnetismo y Materia (GEM)Knowledge Area
Teoría de la Señal y las ComunicacionesSponsors
This work was supported in part by the Ministerio de Ciencia e Innovación under the project with reference CIT-020000-2008-43.Publication date
2010-06Publisher
WileyBibliographic Citation
MONZÓ CABRERA, Juan, PEDREÑO MOLINA, J.L., LOZANO GUERRERO, Antonio, CLEMENTE FERNÁNDEZ, Francisco, DÍAZ MORCILLO, Alejandro. Usage of an automated three-stub water-loaded impedance generator for RBF calibration of a waveguide ten-port reflectometer. Microwave and Optical Technology Letters, 52 (6): 1274-1277, Junio 2010. ISSN 0895-2477Peer review
SíKeywords
ReflectómetroImpedancia del generador
Calibración
Guía de onda
Redes neuronales RBF
Reflectometer
Impedance generator
Calibration
Waveguide
RBF neural network
Abstract
In this work, a waveguide impedance generator based on
the use of three motor-controlled metallic stubs, a monomode cavity
loaded with water and PTFE cylinders is used to calibrate a waveguide
ten-port reflectometer. Radial basis function neural networks are used to
learn the relationship between the actual reflection coefficient and the
power detectors’ output. Results indicate that this impedance generator
can be successfully used to calibrate the ten-port reflectometer.
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