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All-fiber-optic acoustic sensor array for real-time sound source localization.

Jian Wang, Hongyan Wu, Bo Jia

    Applied Optics
    |April 22, 2017
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces an all-fiber-optic acoustic array system for real-time sound source localization. The novel system offers high sensitivity, superior high-frequency detection, and applicability in harsh environments.

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    Area of Science:

    • Acoustics
    • Optical Engineering
    • Signal Processing

    Background:

    • Conventional microphone arrays are standard for real-time sound source localization.
    • Fiber-optic microphones present advantages over traditional microphones.
    • Existing systems may have limitations in sensitivity, high-frequency detection, or environmental applicability.

    Purpose of the Study:

    • To propose and demonstrate an all-fiber-optic acoustic array system.
    • To leverage wavelength-division multiplexing for enhanced performance.
    • To achieve real-time sound source localization with improved capabilities.

    Main Methods:

    • Development of an all-fiber-optic acoustic array.
    • Implementation of a wavelength-division multiplexing scheme.
    • Integration of fiber-optic microphones for acoustic signal acquisition.

    Main Results:

    • The proposed system achieves real-time sound source localization.
    • Demonstrated high sensitivity and superior performance in high-frequency signal detection.
    • The system is suitable for application in harsh environments.
    • The system exhibits a simple construction and low cost.

    Conclusions:

    • The all-fiber-optic acoustic array system is effective for real-time sound source localization.
    • The system offers significant advantages over conventional methods, particularly in challenging conditions.
    • The technology presents a cost-effective and robust solution for acoustic sensing applications.