MadSci Network: Engineering

Subject: sound

Date: Wed Aug 5 08:40:30 1998
Posted by Richard Cole
Grade level: other
School: No school entered.
City: Ottawa State/Province: Ontario
Country: Canada
Area of science: Engineering
ID: 902324430.Eg

Can an object be detected at a distance, hidden in the ground using 
the following process:
Using a Frequency Generator to create a known resonent frequency of an 
object, pulsing the frequency and amplifing it through the ground.  
Using a frequency detector/counter (commercial models available today) 
attached with a parabolic dish containing a microphone capible of 
picking up a sound at the frequency of the resonation from the object?
Is this possible?  If possible, are there any modifications which may 
be required?

Re: sound

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