Enabling Adaptive and Enhanced Acoustic Sensing Using Nonlinear Dynamics

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Journal Article
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Journal Title
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Date
2020
Authors
Lenk C
Seeber L
Ziegler M
Hövel P
Gutschmidt S
Abstract

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.

Description
Citation
Lenk C, Seeber L, Ziegler M, Hövel P, Gutschmidt S Enabling Adaptive and Enhanced Acoustic Sensing Using Nonlinear Dynamics.
Keywords
physics.app-ph, cs.SY, eess.SY
Ngā upoko tukutuku/Māori subject headings
ANZSRC fields of research
Fields of Research::40 - Engineering::4006 - Communications engineering::400607 - Signal processing
Fields of Research::40 - Engineering::4007 - Control engineering, mechatronics and robotics::400704 - Biomechatronics
Fields of Research::51 - Physical sciences::5103 - Classical physics::510301 - Acoustics and acoustical devices; waves
Fields of Research::40 - Engineering::4009 - Electronics, sensors and digital hardware::400999 - Electronics, sensors and digital hardware not elsewhere classified
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