Enabling Adaptive and Enhanced Acoustic Sensing Using Nonlinear Dynamics (2020)
AuthorsLenk C, Seeber L, Ziegler M, Hövel P, Gutschmidt Sshow all
Transmission of real-time data is strongly increasing due to remote processing of sensor data, among other things. A route to meet this demand is adaptive sensing, in which sensors acquire only relevant information using pre-processing at sensor level. We present here adaptive acoustic sensors based on mechanical oscillators with integrated sensing and actuation. Their dynamics are shifted into a nonlinear regime using feedback or coupling. This enhances dynamic range, frequency resolution and signal-to-noise ratio. Combining tunable sensing properties with sound analysis could enable acquiring of only relevant information rather than extracting this from irrelevant data by post-processing.
CitationLenk C, Seeber L, Ziegler M, Hövel P, Gutschmidt S Enabling Adaptive and Enhanced Acoustic Sensing Using Nonlinear Dynamics.
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Keywordsphysics.app-ph; cs.SY; eess.SY
ANZSRC Fields of Research40 - Engineering::4006 - Communications engineering::400607 - Signal processing
40 - Engineering::4007 - Control engineering, mechatronics and robotics::400704 - Biomechatronics
51 - Physical sciences::5103 - Classical physics::510301 - Acoustics and acoustical devices; waves
40 - Engineering::4009 - Electronics, sensors and digital hardware::400999 - Electronics, sensors and digital hardware not elsewhere classified