Colección INTI-SNRD


Título: Data analysis and filter optimization for pulse-amplitude measurement :a case study on high-resolution X-ray spectroscopy
Fuente: Sensors, 22(13)
Autor/es: Mannatunga, Kasun Sameera; Valinoti, Bruno; Samayoa, Werner Florian; Crespo, Maria Liz; Cicuttin, Andres; Folla Kamdem, Jerome; Garcia, Luis Guillermo; Carrato, Sergio
Materias: Procesamiento de datos; Pulsos; Espectroscopia de rayos X; Filtros
Editor/Edición: MDPI; 2022
Licencia: http://creativecommons.org/licenses/by/4.0/
Afiliaciones: Mannatunga, Kasun Sameera. International Centre for Theoretical Physics; Italia
Mannatunga, Kasun Sameera. University of Sri Jayewardenepura; Sri Lanka
Mannatunga, Kasun Sameera. University of Moratuwa; Sri Lanka
Valinoti, Bruno. Instituto Nacional de Tecnología Industrial; Argentina
Valinoti, Bruno. International Centre for Theoretical Physics; Italia
Valinoti, Bruno. Università degli Studi di Trieste; Italia
Samayoa, Werner Florian. International Centre for Theoretical Physics; Italia
Samayoa, Werner Florian. Università degli Studi di Trieste; Italia
Crespo, Maria Liz. International Centre for Theoretical Physics; Italia
Cicuttin, Andres. International Centre for Theoretical Physics; Italia
Kamdem, Jerome Folla. International Centre for Theoretical Physics; Italia
Kamdem, Jerome Folla. University of Yaoundé I; Camerún
Garcia, Luis Guillermo. International Centre for Theoretical Physics; Italia
Garcia, Luis Guillermo. Università degli Studi di Trieste; Italia
Carrato, Sergio. University of Yaoundé I; Camerún

Resumen: In this study, we present a procedure to optimize a set of finite impulse response filter (FIR) coefficients for digital pulse-amplitude measurement. Such an optimized filter is designed using an adapted digital penalized least mean square (DPLMS) method. The effectiveness of the procedure is demonstrated using a dataset from a case study on high-resolution X-ray spectroscopy based on singlephoton detection and energy measurements. The energy resolutions of the Kα and Kβ lines of the Manganese energy spectrum have been improved by approximately 20%, compared to the reference values obtained by fitting individual photon pulses with the corresponding mathematical model.
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