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本文论述了一种抗干扰能力强和灵敏度高的超声波传感器及其选择压电晶体的方法，通过模拟试验得到了超声响应与视在放电量的关系及几种因素的影响情况
This article discusses a strong anti-interference ability and high sensitivity of ultrasonic sensors and piezoelectric crystal selection method, obtained by simulation test the relationship between the ultrasonic response and apparent discharge and the impact of several factors