Performance Evaluation of FPGA-based Standalone, Portable TDCR System

IF 1 4区工程技术 Q4 INSTRUMENTS & INSTRUMENTATION

MAPAN Pub Date : 2024-05-03 DOI:10.1007/s12647-024-00753-2

M. K. Sharma, Shivam Agarwal, M. S. Kulkarni, Priyanka Reddy, D. B. Kulkarni

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引用次数: 0

Abstract

The liquid scintillation counting based triple to double coincidence ratio (TDCR) method is a widely employed, direct activity determination technique to standardize pure beta emitters. An “FPGA-based standalone, portable TDCR system” is developed for absolute activity measurement of pure beta-emitting radionuclides. The system has a local 7″ touchscreen display to provide an intuitive GUI for operating the standalone instrument. The portable system will boost the capabilities of users in the field by providing a reference measurement method of radionuclide metrology. In nuclear medicine, the portable system will enable them to calibrate short-lived radionuclides within the dose-administering facility and avoid transporting radioactive sources to standardizing laboratories. The system’s performance is evaluated by comparing the activity determination results of ¹⁴C, ²⁰⁴Tl and ¹⁴⁷Pm radionuclides with the ones from the CIEMAT/NIST method. The comparison shows that the activity measurement results from the system are closely aligned with those obtained using the CIEMAT/NIST method within the uncertainty limits. In this paper, the system’s performance evaluation is presented.

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基于 FPGA 的独立便携式 TDCR 系统性能评估

基于液体闪烁计数的三重双重合比（TDCR）方法是一种广泛使用的直接放射性活度测定技术，用于纯β发射体的标准化。我们开发了一种 "基于 FPGA 的独立便携式 TDCR 系统"，用于测量纯 β 放射性核素的绝对活度。该系统有一个本地 7 英寸触摸显示屏，为操作独立仪器提供了直观的图形用户界面。通过提供放射性核素计量的参考测量方法，便携式系统将提高用户在现场的能力。在核医学领域，便携式系统将使他们能够在剂量施放设施内校准短寿命放射性核素，避免将放射源运往标准化实验室。通过比较 14C、204Tl 和 147Pm 放射性核素的放射性活度测定结果与 CIEMAT/NIST 方法的结果，对该系统的性能进行了评估。比较结果表明，该系统的放射性活度测量结果与使用 CIEMAT/NIST 方法得出的结果在不确定度范围内非常接近。本文介绍了该系统的性能评估。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

MAPAN 工程技术-物理：应用

CiteScore

2.30

自引率

20.00%

发文量

审稿时长

3 months

期刊介绍： MAPAN-Journal Metrology Society of India is a quarterly publication. It is exclusively devoted to Metrology (Scientific, Industrial or Legal). It has been fulfilling an important need of Metrologists and particularly of quality practitioners by publishing exclusive articles on scientific, industrial and legal metrology. The journal publishes research communication or technical articles of current interest in measurement science; original work, tutorial or survey papers in any metrology related area; reviews and analytical studies in metrology; case studies on reliability, uncertainty in measurements; and reports and results of intercomparison and proficiency testing.