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Keywords = digital pulse processor (DPP)

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20 pages, 1090 KB  
Article
Data Analysis and Filter Optimization for Pulse-Amplitude Measurement: A Case Study on High-Resolution X-ray Spectroscopy
by Kasun Sameera Mannatunga, Bruno Valinoti, Werner Florian Samayoa, Maria Liz Crespo, Andres Cicuttin, Jerome Folla Kamdem, Luis Guillermo Garcia and Sergio Carrato
Sensors 2022, 22(13), 4776; https://doi.org/10.3390/s22134776 - 24 Jun 2022
Cited by 3 | Viewed by 3724
Abstract
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 [...] Read more.
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 single-photon 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. Full article
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