Usage of an automated three-stub water-loaded impedance generator for RBF calibration of a waveguide ten-port reflectometer
Autor
Monzó Cabrera, Juan; Pedreño Molina, Juan Luis; Clemente Fernández, Francisco Javier; Díaz Morcillo, Alejandro Benedicto; Lozano Guerrero, Antonio JoséGrupo de investigación
Grupo de Electromagnetismo y Materia (GEM)Área de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
This work was supported in part by the Ministerio de Ciencia e Innovación under the project with reference CIT-020000-2008-43.Fecha de publicación
2010-06Editorial
WileyCita bibliográfica
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 0895-2477Revisión por pares
SíPalabras clave
ReflectómetroImpedancia del generador
Calibración
Guía de onda
Redes neuronales RBF
Reflectometer
Impedance generator
Calibration
Waveguide
RBF neural network
Resumen
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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