Mosorov Volodymyr
Institute of Applied Computer Science, Lodz University of Technology, Lodz 90-924, Poland.
Appl Radiat Isot. 2017 Oct;128:1-5. doi: 10.1016/j.apradiso.2017.06.039. Epub 2017 Jun 27.
The majority of current radioisotope gauges utilize measurements of intensity for a chosen sampling time interval using a detector. Such an approach has several disadvantages: temporal resolution of the gauge is fixed and the accuracy of the measurements is not the same for different count rate. The solution can be the use of a stronger radioactive source, but it will be conflicted with ALARA (As Low As Reasonably Achievable) principle. Therefore, the article presents an alternative approach which is based on modified Lambert-Beer law. The basis of the approach is the registration of time intervals instead of the registration of counts. It allows to increase the temporal resolution of a gauge without the necessity of using a stronger radioactive source and the accuracy of the measurements will not depend on count rate.
当前大多数放射性同位素测量仪利用探测器在选定的采样时间间隔内测量强度。这种方法有几个缺点：测量仪的时间分辨率是固定的，并且对于不同的计数率，测量的准确性也不一样。解决方案可以是使用更强的放射源，但这将与“尽可能低合理可行”（ALARA）原则相冲突。因此，本文提出了一种基于修正朗伯-比尔定律的替代方法。该方法的基础是记录时间间隔而不是计数。它允许在不使用更强放射源的情况下提高测量仪的时间分辨率，并且测量的准确性将不依赖于计数率。
