基于 LabVIEW 的数字核信号处理平台的研发

摘要

The research and development of digital nuclear signal processing platform is of important significance to the choice of the signal processing scheme and parameter in digital nuclear spectrometer system .The devel-opment of digital nuclear signal processing platform is based on LabVIEW , Which mainly realizes filter shape , identification of pile-up, accumulation of amplitude , count rate correction .Processing of digital nuclear signal can be actual sampling of signal , but also the simulation data .The paper introduces LabVIEW virtual instru-ment technology , combined with computer hardware resources to build a set of digital nuclear signal processing platform, which reduces the cost of system , and has friendly interface , convenient operation .Thus it has a wide range of significance and value in the practical research and application .%数字核信号处理平台的研发对数字核谱仪设计中的信号处理方案与参数的选择具有重要意义。基于LabVIEW的数字核信号处理平台的研发，主要实现数字核信号的滤波成形、堆积识别、幅度提取、计数率校正功能，处理的数字核信号可以是系统中实际采样的核脉冲信号，也可是实验中的仿真数据。论文采用LabVIEW的虚拟仪器技术，结合计算机硬件资源，通过对实际采样的核脉冲信号进行处理，搭建了一套数字核信号处理平台，节约了开发成本，人机交换界面友好直观、操作方便，在实际研究与应用中具有广泛的意义与价值。