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    • 基于波形数字化的γ-γ符合测量

    WANG Zhong-hai,QIN Xue,ZHOU Zhi,ZHOU Rong,HAN Ji-feng,YANG Chao-wen

    Nuclear Electronics & Detection Technology（2012）

    College of Physics and Technology

    Cited 1|Views16
    Abstract
    数字化符合测量是在传统符合测量基础上发展起来的一种辐射计量新技术。文章讨论了数字化符合测量系统和传统符合测量系统的差别,介绍了基于探测器信号波形数字化的符合测量原理。提出用实验室中常用的数字示波器来代替专用的模数转换电路,设计了示波器数据获取与处理程序,通过对示波器获得的波形序列进行数字处理,实现了数字化符合测量。用22Naβ+放射源通过传统符合测量系统进行检验,获得很好的结果。
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    Key words
    γ-γ coincidence,22Na,Pulse digitizing,Radioactivity
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    【要点】：本文介绍了基于脉冲数字化技术的数字符合计数方法，并与传统符合计数进行了对比，证明了其在γ-γ符合计数中的有效性。
    

    【方法】：通过脉冲数字化技术，使用数字示波器替代专用的模数转换模块，设计数据采集与处理软件，实现数字符合计数。
    

    【实验】：利用22Na源进行实验验证，数字符合计数结果与传统符合计数结果相符。