数字式电动振动试验系统检定中相关计算公式的运用  

Discussion on applications of correlation formula for digital electrodynamic vibration testing system

作　　者：陈曦[1] 卢小雨[2] 

机构地区：[1]苏州市计量测试研究所,江苏苏州215006 [2]安徽理工大学数理系,安徽淮南232001

出　　处：《中国测试技术》2007年第3期73-75,共3页CHINA MEASUREMENT & TESTING TECHNOLOGY

摘　　要：针对电动振动台和数字式电动振动试验系统使用中的交越频率的定义及其推理过程加以阐述,探讨了影响电动振动台和数字式振动试验系统正确使用的因素及相关技术问题,同时针对检定规程中所规定的一些检定方法提出了值得商榷的看法,并给出相应的计算公式,供参考使用。This paper presented definition and reasoning process of crossover frequency, which were used by Electrodynamic Vibration Generator for testing and Digital Electrodynamic Vibration Testing System. It can help the users and verification officers deepen their understanding and improve operating efficiency. The author put forward his own views on the verification methods, which were established by the verification regulations. Relevant formulae were given. It can be available to users as a reference guide.

关 键 词：交越频率 加速度总均方根值 功率谱密度 电动振动台 数字式电动振动试验系统 

分 类 号：U467.525[机械工程—车辆工程]