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Passing ultrasonic wave towards a metal wall


Primarygun

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To pass and detect ultrasound trough a metal wall, the simplest way is to cement piezoelectric transducers as emitter side and at the other side as ultrasonic microphone.

Attaching an oscilloscope to the last will show the waveform easily.

 

What would be the waveform? Depends on the fed waveform, bouncing paths, elasticity of material, lenght of propagation, route, attenuation versus frequency response properties...

 

You can obtain a piezoelectric microphone by removing the ringer of a modern defunct telephone. That will work.

 

Miguel

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