laser-ultrasonic pulse 激光超声脉冲
The wave charts of laser ultrasonic pulse and its echoes in metal plate are shown.
文中给出了激光超声脉冲及其在金属板中的回波的波形曲线；
The regulation for ultrasonic modulation of laser pulse spikes and the influence of modulation on drilling are studied.
对激光脉冲尖峰超声调制的一些规律及对打孔的影响进行了研究。
A laser huge pulse irradiates on aluminium plates to cause ultrasonic waves. The waveform of the rear surface displacement produced by ultrasounds is detected with optical homodyne.
激光巨脉冲在金属铝块上产生超声波，由光学零差探测得到超声引起的后表面位移的波形。
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