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- W4320183866 abstract "AIVS (Accelerometer-based Intensity Vector Sensors, /āvs/) represent a new way to measure 3-d sound and are designed to integrate into existing noise monitoring solutions. Standard microphones measure sound pressure, which cannot alone deduce the direction of sound propagation. AIVS is based on the measurement of the velocity of a small parcel of air surrounding a triaxial accelerometer, from which a vector-based representation of sound intensity is calculated. AIVS integrates a MEMS triaxial accelerometer with one MEMS microphone and synchronously measures particle velocity and pressure, resulting in a 3-d intensity vector at each AIVS node. An AIVS network is synchronized to GNSS time and sensors are deployed in groups surrounding and/or within a local measurement site. Low power AIVS nodes are location-aware and estimate azimuth and elevation angles to detected noise sources as a function of frequency. Range to source is computed when noise events are observed from multiple nodes. AIVS nodes are managed by a Raspberry-PI (RPI) sensor hub in a wired CAN-bus supporting distances up to 100 m, or via the Bluetooth Low Energy (BLE) protocol. More widely separated nodes are joined through WWLAN technologies via the local RPI hub." @default.
- W4320183866 created "2023-02-13" @default.
- W4320183866 creator A5048299261 @default.
- W4320183866 date "2023-02-01" @default.
- W4320183866 modified "2023-09-30" @default.
- W4320183866 title "Accelerometer intensity vector sensor network for environmental noise monitoring with source direction and location" @default.
- W4320183866 doi "https://doi.org/10.3397/in_2022_0210" @default.
- W4320183866 hasPublicationYear "2023" @default.
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