基于 LabVIEW 的数字梯形成形算法仿真研究

摘要

成形滤波技术是核能谱测量的关键技术，数字梯形滤波是实现核能谱仪数字化的关键环节。论文基于数字多道系统中核信号处理要求，对梯形成形滤波技术进行了理论研究。利用LabVIEW软件平台实现了梯形滤波器仿真，讨论了滤波器参数对系统性能或输出的影响。仿真结果表明，数字梯形滤波成形器能够根据实际信号特性灵活进行参数优化和配置，以有效地适应后续测量。%Shaping filter technique is the key technique of nuclear energy spectrum measurements , digital trape-zoidal filter is the key to realize nuclear spectrometer digitizing .For the processing requirement of the nuclear signal in digital multi -channel system , this article did a study about trapezoidal shaping and filtering tech-nique .And it has realized the simulation of this filter , discussed the impact on system performance or output caused by filter parameters .The result showed the parameters of digital trapezoidal filter can be optimized flexi -bly in accordance with actual signal characteristic to effectively adapt to subsequent measurements .