Title :
A noncontact method for detecting acoustic emission using a microwave Doppler radar motion detector
Author_Institution :
CE Eng., Ames, IA, USA
Abstract :
A noncontact method for detecting acoustic emission was developed, using a microwave Doppler radar detector and an active band-pass filter. A theoretical model was developed and a prototype sensor was built and tested. The prototype responds to acoustic emissions (AE), from pencil lead break tests, at ranges up to 1.5 feet.
Keywords :
Doppler radar; acoustic emission; acoustic transducers; acoustic emission; active band-pass filter; microwave Doppler radar motion detector; noncontact method; pencil lead break tests; Acoustic emission; Acoustic signal detection; Acoustic testing; Band pass filters; Detectors; Doppler radar; Microwave theory and techniques; Motion detection; Prototypes; Radar detection;
Journal_Title :
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
DOI :
10.1109/TUFFC.2005.1516035
