Filtros digitais por transformadas de Fourier aplicados em eletroquímica
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , |
Tipo de documento: | Relatório |
Idioma: | por |
Título da fonte: | Química Nova (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000100027 |
Resumo: | The electrochemical properties of micro and nano-electrodes are widely investigated due to their low faradaic and capacitive currents, leading to a new generation of smart and implantable devices. However, the current signals obtained in low-dimensional devices are strongly influenced by noise sources. In this paper, we show the evaluation of filters based on Fast Fourier Transform (FFT) and their implementation in a graphical user interface (GUI) in MATLAB®. As a case study, we evaluated an electrochemical reaction process of charge transfer via outer-sphere. Results showed successful removal of most of the noise in signals, thus proving a promising tool for low-scale measurement. |
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Filtros digitais por transformadas de Fourier aplicados em eletroquímicamicroelectrodesnoisedigital filtersThe electrochemical properties of micro and nano-electrodes are widely investigated due to their low faradaic and capacitive currents, leading to a new generation of smart and implantable devices. However, the current signals obtained in low-dimensional devices are strongly influenced by noise sources. In this paper, we show the evaluation of filters based on Fast Fourier Transform (FFT) and their implementation in a graphical user interface (GUI) in MATLAB®. As a case study, we evaluated an electrochemical reaction process of charge transfer via outer-sphere. Results showed successful removal of most of the noise in signals, thus proving a promising tool for low-scale measurement.Sociedade Brasileira de Química2013-01-01info:eu-repo/semantics/reportinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000100027Química Nova v.36 n.1 2013reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422013000100027info:eu-repo/semantics/openAccessLiang,Ricardo NantesGonçalves,Wagner DiegoMartins,Marccus Victor AlmeidaCrespilho,Frank Nelsonpor2013-02-15T00:00:00Zoai:scielo:S0100-40422013000100027Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2013-02-15T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false |
dc.title.none.fl_str_mv |
Filtros digitais por transformadas de Fourier aplicados em eletroquímica |
title |
Filtros digitais por transformadas de Fourier aplicados em eletroquímica |
spellingShingle |
Filtros digitais por transformadas de Fourier aplicados em eletroquímica Liang,Ricardo Nantes microelectrodes noise digital filters |
title_short |
Filtros digitais por transformadas de Fourier aplicados em eletroquímica |
title_full |
Filtros digitais por transformadas de Fourier aplicados em eletroquímica |
title_fullStr |
Filtros digitais por transformadas de Fourier aplicados em eletroquímica |
title_full_unstemmed |
Filtros digitais por transformadas de Fourier aplicados em eletroquímica |
title_sort |
Filtros digitais por transformadas de Fourier aplicados em eletroquímica |
author |
Liang,Ricardo Nantes |
author_facet |
Liang,Ricardo Nantes Gonçalves,Wagner Diego Martins,Marccus Victor Almeida Crespilho,Frank Nelson |
author_role |
author |
author2 |
Gonçalves,Wagner Diego Martins,Marccus Victor Almeida Crespilho,Frank Nelson |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Liang,Ricardo Nantes Gonçalves,Wagner Diego Martins,Marccus Victor Almeida Crespilho,Frank Nelson |
dc.subject.por.fl_str_mv |
microelectrodes noise digital filters |
topic |
microelectrodes noise digital filters |
description |
The electrochemical properties of micro and nano-electrodes are widely investigated due to their low faradaic and capacitive currents, leading to a new generation of smart and implantable devices. However, the current signals obtained in low-dimensional devices are strongly influenced by noise sources. In this paper, we show the evaluation of filters based on Fast Fourier Transform (FFT) and their implementation in a graphical user interface (GUI) in MATLAB®. As a case study, we evaluated an electrochemical reaction process of charge transfer via outer-sphere. Results showed successful removal of most of the noise in signals, thus proving a promising tool for low-scale measurement. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/report |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
report |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000100027 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000100027 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
10.1590/S0100-40422013000100027 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
dc.source.none.fl_str_mv |
Química Nova v.36 n.1 2013 reponame:Química Nova (Online) instname:Sociedade Brasileira de Química (SBQ) instacron:SBQ |
instname_str |
Sociedade Brasileira de Química (SBQ) |
instacron_str |
SBQ |
institution |
SBQ |
reponame_str |
Química Nova (Online) |
collection |
Química Nova (Online) |
repository.name.fl_str_mv |
Química Nova (Online) - Sociedade Brasileira de Química (SBQ) |
repository.mail.fl_str_mv |
quimicanova@sbq.org.br |
_version_ |
1750318114363408384 |