A low frequency multi modeultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra thin elastic layers is presented.
提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。
2
To improve the safety and efficiency of ultrasonic thrombolysis, we designed a dual modeultrasonic thrombolysis (DMUT) system.
为了提高超声溶栓治疗的安全性、有效性，我们设计了一种治疗与诊断双模式超声溶栓(DMUT)系统。
3
A single ultrasonic transducer is switched cyclically between transmit and receive mode.