1) cocusing of headlamps
头灯聚焦
2) focus lamp
聚焦灯
3) cluster burner
聚口灯头
4) focusing quartz light
聚焦石英灯
5) line-focus filament
线聚焦灯丝
6) 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。
补充资料:冲击波聚焦效应