基于虚拟仪器的声音信号采集分析系统 |
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引用本文: | 徐继宁,邵雅超.基于虚拟仪器的声音信号采集分析系统[J].测控技术,2014,33(1):12-14. |
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作者姓名: | 徐继宁 邵雅超 |
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作者单位: | 北方工业大学 现场总线技术及自动化北京市重点实验室;北方工业大学 现场总线技术及自动化北京市重点实验室 |
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基金项目: | 国家自然科学基金资助项目(61174116);北京市属高等学校人才强教深化计划项目(PHR20110504) |
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摘 要: | 采用PC机与NI数据采集卡USB4431为硬件平台,LabVIEW为软件开发环境,设计了多通道声音信号采集分析系统。系统可以实现信号的同步实时采集、实时调理、存储及分析,提供多种数据处理算法模块。该系统已应用在工程噪音分析中,显示了其方便、实用等优势。
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关 键 词: | 信号采集 信号分析 LabVIEW |
Acquisition and Analysis System for Sound Signal Based on Virtual Instrument |
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Abstract: | A multi-channel acquisition and analysis system for soud signal is designed by using PC and NI USB4431 as hardware platform and LabVIEW as software development environment.The system realizes real-time signal acquisition,conditioning,storage and analysis,and provides several data processing algorithm modules.The successful application in practical analysis of machine noise shows the effectiveness and convenience of the designed system. |
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Keywords: | signal acquisition signal analysis LabVIEW |
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