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介绍一种利用LabVIEW、LabWindows中强大的数据处理函数,如Correlate函数和ToPolar1D函数,对信号进行实时的分析、处理,以虚拟仪器为平台实现列车纵向冲动实时检测的方法。该方法能准确的将冲动加速度从振动加速度中分离,并评定出冲动等级,从而建立一套更为科学的列车冲动等级的评定标准。
This paper introduces a method of using LabVIEW and LabWindows powerful data processing functions, such as Correlate function and ToPolar1D function, to analyze and process signals in real time and to realize real-time train longitudinal impulse detection using virtual instrument. This method can accurately separate the impulse acceleration from the vibration acceleration and evaluate the impulse level so as to establish a set of more scientific standards for evaluating the impulse level of the train.