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MEMS-based spectral decomposition of acoustic signals
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012
Many embedded structural monitoring applications require extremely low-power sensors and signal processing capabilities. In particular, the continuous monitoring of vibrations, impacts, and acoustic noise within a structure typically requires significant power for not only the transducers themselves, but also the signal conditioning, analog to digital conversion, and digital signal processing necessary to extract useful information from the captured waveforms [1,2,3,4]. This paper presents adoi:10.1117/12.915408 fatcat:twfh6y7hg5dspd25v54z3ex6p4