| 基于虚拟仪器的测试技术实验教学系统建立 |
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| 引用本文： | 尤丽华,周洋.基于虚拟仪器的测试技术实验教学系统建立[J].实验技术与管理,2011,28(2):83-86,90. |
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| 作者姓名： | 尤丽华 周洋 |
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| 作者单位： | 江南大学,机械工程学院,江苏,无锡,214122 |
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| 基金项目： | 江南大学教改专项项目，江南大学机械学院精品课程建设立项(2009)项目 |
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| 摘 要： | 为了让学生对测试系统有全面的认识并具有一定的综合测试能力,搭建了基于虚拟仪器的综合实验教学系统。采用传感器系统实验仪构成动态振动测试单元,并用计算机数据采集系统对信号采集,在虚拟仪器平台上对采集信号进行分析、处理和结果输出。通过LabVIEW编程,实现周期信号的合成和分解,使学生理解傅里叶系数的物理意义和频谱的概念、特征。
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| 关 键 词： | 测试技术实验 虚拟仪器 频谱 幅频特性 |
Building of" testing technology" experimental teaching system based on virtual instrument |
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| You Lihua,Zhou Yang.Building of" testing technology" experimental teaching system based on virtual instrument[J].Experimental Technology and Management,2011,28(2):83-86,90. |
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| Authors: | You Lihua Zhou Yang |
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| Institution: | You Lihua,Zhou Yang(College of Mechanical Engineering,Jiangnan University,Wuxi 214122,China) |
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| Abstract: | In order to understand the testing system comprehensively and have a certain ability to test for students,a comprehensive experiment was set up based on virtual instrument.The sensor tester was used to constitute a vibration test unit,and the computer data acquisition system was used for signal acquisition,in the virtual instrument platform the signal was analyzed,handled and output.Through students' doing in laboratory,it shows that the experimental system can obtain a good teaching result. |
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| Keywords: | vibration signal virtual instrument frequency spectrum amplitude-frequency characteristics |
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