... ultrasonic flaw detector 超声波探伤仪 ultrasonic pulse velocity method 超声脉冲速度法 ultrasonic sounding 超声波测深测 ...
基于130个网页-相关网页
·2,447,543篇论文数据,部分数据来源于NoteExpress
This paper presents the development of a pulse-echo measurement method, based on the use of a phase spectrum to determine the ultrasonic wave velocity. A detailed descripsion of the theory is given.
本文报道了一种基于脉冲回波相位谱的超声波速度测量方法,并给出了它的详细理论推导过程。
youdao
应用推荐
模块上移
模块下移
不移动