1) focusing probe
聚焦探头
1.
Study on multi focusing probes based on measuring wall thickness of oil casing pipe
基于石油套管壁厚检测的多聚焦探头研究
2) focus probe
聚焦探头
1.
According to the principles of geometrical acoustics, deduces focusing distance calculation formula when water immersion focus probe detects in ultrasonic detection, analyzes the rightness of the formula, at the same time analyzes using condition of experienced similar formula referred by relevant papers and factors affecting focusing distance errors.
根据几何声学的原理,推导了超声波检测中水浸聚焦探头探测工件时焦距的计算公式,并分析了所导出公式的正确性,同时也分析了有关文献提出的经验近似公式的使用条件和影响焦距偏差的因素。
3) Study of focusing probe
聚焦探头研制
4) autofo-cusing probe
自动聚焦探头
5) Line-focusing T-R probes ultrasonic testing method
线聚焦双晶探头
6) Immersion focusing probe
水浸聚焦探头
1.
Abstract A mathematical model, which is used to calcalate ultrasonic pressure distribution on the beam axis of ultrasonic immersion focusing probe, was established by using the wethod of Fresnel Circular Band.
运用菲涅尔环带法,建立了计算水浸聚焦探头声束轴线上的声压分布的数学模型。
补充资料：超高晶体密度探头
超高晶体密度探头
超声学检查设备的元件之一。在线形、凸形或相控阵换能器中，将晶体的分割数大幅度增加的探头。其晶体数现已为普通标准探头晶体数的3.5倍或更多。其发射声波的波阵面平滑度接近于凹面晶体的球面波阵面，使失真大为减小。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条