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Measurement and Test of MEMS Accelerometer Based on Drop Hammer Machine and Virtual System
Author(s): 
Pages: 30-32,47
Year: Issue:  3
Journal: MEASUREMENT & CONTROL TECHNOLOGY

Keyword:  微加速度计仪器化落锤实验机虚拟仪器PXILabVIEWt检验显著性水平α;
Abstract: 利用INSTRON(英斯特朗)9250仪器化落锤实验机和虚拟仪器(由PXI硬件平台和LabVIEW软件平台组成)两种数据采集和分析系统对微加速度计进行性能测试.应用基于正态总体分布均值差的检验(t检验)方法对数据进行分析,提出改进的方法.并认为在显著性水平α之下,两者没有明显差别,且样本方差之间的差别也大为减少.证明了加速度传感器、虚拟仪器平台落锤实验机的性能符合相关技术要求.
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