Quote:
Originally Posted by adman
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I would use a technique analogous with confocal microscopy where you are only imaging from a very thin layer in the object. A time resolved array of detectors (phase and intensity) would effectively select the signal from a slice of the layers thus improving the signal to noise. This would have to be used with an array of emitters to 'focus' the ultra sonic? acoustic waves to the layer being sensed. This would lower signal from all the other layers that is the noise that masks the signal.
Where is my prize?
Bert