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超声波清洗机的成像原理解析

网址:www.com-to-com.com  2020-07-24  作者:admin    阅读:

超声波清洗机现在通常是对被测物体(比如工业材料、人体)发射超声,然后利用其反射、多普勒效应、透射等来获取被测物体内部的信息并经过处理形成图像。   超声波清洗机其中多普勒效应法是利用超声在遇到运动的物体时发生的多普勒频移效应来得出该物体的运动方向和速度等特性;透射法则是通过分析超声穿透过被测物体超声波清洗机之后的变化而得出物体的内部特性的,其应用目前还处于研制阶段; 超声波清洗机这里主要介绍的是目前应用最多的通过反射法来获取物体内部特性信息的方法。 反射法是基于超声在通过不同声阻抗组织界面时会发生较强反射的原理工作的。
Now ultrasonic cleaning machine usually emits ultrasound to the tested object (such as industrial materials, human body), and then uses its reflection, Doppler effect, transmission to obtain the internal information of the measured object, and then forms an image after processing. In ultrasonic cleaning machine, the Doppler effect method is to use the Doppler frequency shift effect of ultrasound when encountering a moving object to obtain the movement direction and velocity characteristics of the object; the transmission law is to obtain the internal characteristics of the object by analyzing the change of the ultrasonic through the ultrasonic cleaning machine, and its application is still in the development stage; Ultrasonic cleaning machine here mainly introduces the most widely used method to obtain the internal characteristics of objects by reflection method. Reflection method is based on the principle that strong reflection occurs when ultrasound passes through the tissue interface with different acoustic impedance.

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