Research Summaries

Back MEMS Direction Finding Acoustic Sensor

Fiscal Year 2017
Division Research & Sponsored Programs
Department Naval Research Program
Investigator(s) Karunasiri, Gamani
Sponsor NPS Naval Research Program (Navy)
Summary The objective of the proposed research is to explore an acoustic direction finding (DF) sensors for applications in air and underwater environments based on the ears of the fly Ormia ochracea. Conventional directional sound sensing uses an array of spatially separated microphones to achieve directional sensing by monitoring the arrival times and amplitudes at each microphone. The accuracy of the directionality depends on the extent of spatial separation of the microphones. The ears of the fly are separated by less than a millimeter yet it has remarkable sensitivity to direction of sound. The fly's unique ear structure consists of two eardrums coupled at the center. The focus of the research is to probe the feasibility of MEMS based sensors mimicking the operation principles of the fly's hearing system. The participating graduate students will use the findings of the research for completing their theses.
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Publications Publications, theses (not shown) and data repositories will be added to the portal record when information is available in FAIRS and brought back to the portal
Data Publications, theses (not shown) and data repositories will be added to the portal record when information is available in FAIRS and brought back to the portal