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The research on methods of characteristics extraction and filter based on the testing parameters of automobile
Author(s): 
Pages: 18-20
Year: Issue:  8
Journal: Farm Machinery Using & Maintenance

Keyword:  特征提取汽车测试信号滤波器;
Abstract: 根据巴特沃斯低通滤波器的滤波原理,依据信号处理理论和LabVIEW技术,针对传统测试系统中特征提取不准确、数据可分析性差等问题,研究了一种基于虚拟仪器的滤波消噪与特征提取方法.系统以LabVIEW软件为开发平台,配以笔记本电脑,对含有噪声的信号进行巴特沃斯低通滤波处理,滤波后信号特征明显,完整、规律的信号波形清晰可见,为后期的数据处理和故障诊断工作提供了很好的技术支持.
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