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Design of optimal digital filter and digital signal processing for a CdZnTe high resolution gamma-ray system.
Applied Radiation and Isotopes ( IF 1.6 ) Pub Date : 2020-04-08 , DOI: 10.1016/j.apradiso.2020.109171
B J Kim 1 , K B Lee 1 , J M Lee 1 , S H Hwang 2 , D H Heo 2 , K H Han 3
Affiliation  

We have developed an online digital signal processing system based on an FPGA. The system consists of pile-up rejection, baseline restorer, peak detection and pole-zero cancellation for evaluation of deposited energy in the detector. The shaping algorithm employed is a Moving Window Deconvolution (MWD) to shape digitized data into a trapezoidal form. For the purpose of verification, the developed digital system was tested for 137Cs gamma rays. The entire system is programmed using the LabVIEW environment.



中文翻译:

CdZnTe高分辨率伽玛射线系统的最佳数字滤波器设计和数字信号处理。

我们已经开发了基于FPGA的在线数字信号处理系统。该系统由堆积抑制,基线恢复器,峰值检测和零极点抵消组成,用于评估检测器中的沉积能量。所采用的整形算法是“移动窗口反卷积”(MWD),用于将数字化数据整形为梯形形式。为了进行验证,对开发的数字系统进行了137 Cs伽马射线测试。整个系统使用LabVIEW环境进行编程。

更新日期:2020-04-08
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