The acoustic wave field excited by a pulsed point source in a fluid-felled borehole surrounded by horizontal multiple-layered media is solved by the send-analytical method.
针对声波测井薄层探测的需要，用半解析方法求解了地层为水平多层介质时柱状井孔内脉冲点源激发的声场。
A new method for calibration of velocity sensitivity of ultrasonic transducers with a wide band standard acoustic source generated by a pulsed laser is proposed.
本文提出一种利用脉冲激光产生可重复的宽带标准声源、对超声换能器的速度灵敏度进行标定的新方法—激光超声法。
This paper introduces a high-frequency series resonant charing method of solid pulsed laser power source, basing on constant current charging of digital control technology.
介绍了一种高频串联谐振充电的固体脉冲激光电源及其数字化控制恒流充电技术。
The intense pulsed light system which the light source is Xe-flash-lamp has become the optimal method for the photo-rejuvenation all the world now.
目前，采用脉冲氙灯作为光源的强脉冲光治疗机已经成为国际上进行光子嫩肤的最佳选择。
The intense pulsed light system which the light source is Xe-flash-lamp has become the optimal method for the photo-rejuvenation all the world now.
目前，采用脉冲氙灯作为光源的强脉冲光治疗机已经成为国际上进行光子嫩肤的最佳选择。
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