Direct estimation of the standard error in phase-resolved luminescence measurements. Application to an oxygen measuring system
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- 作者：Carlos Medina-Rodrí ; guezaAuthor Vitae ; Santiago Medina-Rodrí ; gueza ; b ; smedina@ugr.es" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Á ; ngel de la Torre-VegaaAuthor Vitae ; Alberto Ferná ; ndez-Gutié ; rrezbAuthor Vitae ; Jorge F. Ferná ; ndez-Sá ; nchezbAuthor Vitae
- 关键词：Chemical sensor ; Luminescence spectroscopy ; Oxygen sensing ; Quadrature detection ; Noise characterization ; Standard error
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2016
- 出版时间：1 March 2016
- 年：2016
- 卷：224
- 期：Complete
- 页码：521-528
- 全文大小：1326 K
文摘
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The accuracy of the phase-resolved luminescence measurements is limited by noise.
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A method for estimating the standard error in phase-resolved measurements is proposed.
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Spectral analysis of the noise is performed from the FFT of the recorded signal.
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From each single measurement, information about the associate uncertainly is provided.
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The proposed method was successfully applied to an oxygen measuring system.