The ae sensor calibration system based on pulsed surface wave sound field was built , several commercial and self - made ae sensors had been calibrated on it 建立了基于脉冲表面波声场的声发射传感器标定系统,对商用和自制的几种声发射传感器进行了标定。
Thickness measurement of coatings and characterization of surfaces with surface waves - part 2 : guide to the thickness measurement of coatings by photothermic method ; german version en 15042 - 2 : 2006 覆层厚度测量和表面波纹表征.第2部分:光热法测量覆层
Following the development of the physics and mathematics of surface waves , several applications from the field of naval architecture and offshore engineering are addressed 随着表面波物理学及数学的发展,一些造船及近岸工程的相关应用,亦于课堂中提出讲授。
The study provides basic detection theory and practicel engineering experiences for popalarizing surface wave velocity method to detect dry density of compacted rock - fill layer in practice 本项试验为推广应用稳态面波法检测干密度值提供了理论依据和工程实践经验。
As a high and new technique developed rapidly in recent years , the transient surface wave exploration technique is widely used in engineering exploration with excellent results obtained 摘要瞬态面波勘探技术是近几年快速发展起来的高新技术,在工程勘察中得到广泛应用,效果良好。
Methods analyze on different characteristics among transverse wave , vertical wave and surface wave and apply , a slope method to judge the first - arriving - time 方法运用多波分析技术,通过分析超声厚度检测中横波、直达纵波、反射纵波的不同传输特性,提出了斜率法判别反射波的起跳时间。
The author of this paper introduces the fundamental research methods and different optical measurement techniques of liquid surface wave as well as the obtainable parameters for surface wave characteristics 摘要介绍了不同液体表面波的理论研究方法和光学测量技术以及可以得到的表面波特性参数。
Thickness measurement of coatings and characterization of surfaces with surface waves - guide to the determination of elastic constants , density and thickness of films by laser induced surface acoustic waves 覆层厚度测量和表面波纹表征.采用激光感应表面声波法对各膜层的弹性常数密度和厚度的测定指南