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|Title: ||Ultra High Frequency Circuit Identification through Gene Expression Programming|
|Authors: ||Janeiro, Fernando M.|
Costa, Jorge R.
Fernandes, Carlos A.
Ramos, Pedro M.
|Issue Date: ||Sep-2014|
|Publisher: ||IMEKO TC4|
|Citation: ||Fernando M. Janeiro, Jorge R. Costa, Carlos A. Fernandes, Pedro M. Ramos, “Ultra High Frequency Circuit Identification through Gene Expression Programming”, 20th IMEKO TC4 International Symposium, Benevento, Italy, September 2014.|
|Abstract: ||The characterization of linear electrical
components for frequencies up to a few MHz can be
performed through impedance spectroscopy
techniques that include the determination of the
impedance frequency response and the algorithms
that identify the equivalent circuit components.
However, at higher frequencies some extra challenges
are present since it is not practical to measure the
impedance frequency response and s-parameters must
be used. Although the conversion between
s-parameters and equivalent impedance is well
known, the application of the circuit identification
algorithms is not straightforward.
This paper presents a new procedure to perform
circuit identification, through impedance
spectroscopy, for components that operate at UHF.
The s-parameters are measured and the equivalent
circuit is obtained by using evolutionary algorithms,
namely genetic algorithms and gene expression
programming. The procedure is validated through
experimental characterization of an RFID device.|
|Appears in Collections:||FIS - Comunicações - Em Congressos Científicos Internacionais|
CEM - Comunicações - Em Congressos Científicos Internacionais
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