| 基于虚拟仪器技术开发的超声弹性模量测量系统 |
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| 引用本文： | 周世圆,肖定国,徐春广,冯红亮.基于虚拟仪器技术开发的超声弹性模量测量系统[J].应用声学,2004,23(4):11-15. |
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| 作者姓名： | 周世圆 肖定国 徐春广 冯红亮 |
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| 作者单位： | 北京理工大学机械与车辆工程学院,北京,100081 |
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| 摘 要： | 本文利用脉冲回波法，通过声速测量材料弹性模量，基于虚拟仪器技术发挥软件算法的优势提高测量精度。通过研制超声脉冲收发卡，编制弹性模量测量系统软件，开发了超声弹性模量测量系统。
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| 关 键 词： | 虚拟仪器 弹性模量 超声测量系统 互相关 声速 脉冲回波法 |
Ultrasonic elastic modulus measurement system based on virtual instrument technology |
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| ZHOU Shi-Yuan,XIAO Ding-Guo,XUE Chun-Guang and FENG Hong-Liang.Ultrasonic elastic modulus measurement system based on virtual instrument technology[J].Applied Acoustics,2004,23(4):11-15. |
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| Authors: | ZHOU Shi-Yuan XIAO Ding-Guo XUE Chun-Guang and FENG Hong-Liang |
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| Institution: | School of Mechanical and Automobile Engineering, Beijing Institute of Technology, Beijing 100081;School of Mechanical and Automobile Engineering, Beijing Institute of Technology, Beijing 100081;School of Mechanical and Automobile Engineering, Beijing Institute of Technology, Beijing 100081;School of Mechanical and Automobile Engineering, Beijing Institute of Technology, Beijing 100081 |
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| Abstract: | A system with improved accuracy for measuring Young's and shear moduli from sound velocities is studied. The system is developed with the use of the virtual instrument technique. It is composed of an industrial pc, an ultrasonic pulser/receiver board and a dedicating software. |
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| Keywords: | Elastic modulus Sound velocity Virtual instrument Cross correlation |
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