Abstract

Position estimation of a sound source based on time difference of arrival at an array of three acousto-optic sensors is introduced. Each sensor consists of a Mach-Zehnder interferometer including a sensing part in one arm that is a piece of fiber surrounded by membrane in order to enhance the acousto-optic effect. Estimation error of a recorded gunshot sound signal was evaluated with the theoretically calculated values for two different locations.

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  2. H. OuTechnology and application of speech enhancement based on microphone array, MicrocompInf.200601142144
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  9. J. Hwang, D. Seo, B. Choi, J. Kim, S. Lee, S. Seon, and C. ParkAcoustic signal position detection using fiber array sensor based on Mach-Zehnder interferometerICIEE201724
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  11. J. Posada-Roman, J. A. Garcia-Souto, and J. Rubio-SerranoFiber optic sensor for acoustic detection of partial discharges in oil-paper insulated electrical systemsSensors20121247934802
  12. A. Tiwari and A. ChandsarkarAnalyze the transmissibility of various materials using vibration analysisInt. J. Eng. Sci. Res. Technol.20143247251
  13. T. Iida, K. Nakamura, and S. UehaA microphone array using fiber bragg gratingsOpt. Fiber Sensors Conf. Tech. Dig.2002
  14. Y. Lee, S. Yang, T. Kwon, C. Lee, B. Park, and W. LeeA BLUE estimator for passive localization by TDOA methodJ. KICS201136702711
  15. L. R. ParadowskiMicrowave emitter position location: present and futureProc. Microwaves and Radar1998497116
  16. M. WaxThe joint estimation of differential delay, Doppler, and phaseIEEE Trans. Inf. Theory198228817820

Other (16)

B. LeeReview of the present status of optical fiber sensorsOpt. Fiber Technol.200395779

H. OuTechnology and application of speech enhancement based on microphone array, MicrocompInf.200601142144

T. Yoshino, K. Kurosawa, K. Itoh, and T. OseFiber-optic Fabry-Perot interferometer and its sensor applicationsIEEE Trans. Microw. Theory Techn.19823016121621

R. Heideman, R. Kooyman, and J. GrevePerformance of a highly sensitive optical waveguide Mach-Zehnder interferometer immunosensorSens. Actuators B: Chem.199310209217

R. Kashyap and B. NayarAn all single-mode fiber Michelson interferometer sensorJ. Lightwave Technol.19831619624

P. Hoffman and M. KuzykPosition determination of an acoustic burst along a sagnac interferometerJ. Lightwave Technol.200422494498

S. Liang, C. Zhang, W. Lin, L. Li, C. Li, X. Feng, and B. LinFiber-optic intrinsic distributed acoustic emission sensor for large structure health monitoringOpt. Lett.2009341858

J. P. V. Fracarolli, C. Floridia, D. C. Dini, J. B. Rosolem, and R. M. TeixeirFiber optic interferometric method for acoustic emissions detection on power transformer’s bushingIMOC2013

J. Hwang, D. Seo, B. Choi, J. Kim, S. Lee, S. Seon, and C. ParkAcoustic signal position detection using fiber array sensor based on Mach-Zehnder interferometerICIEE201724

G. Wild and S. HinckleyAcousto-ultrasonic optical fiber sensors: overview and state-of-the-artIEEE Sensors J.2008811841193

J. Posada-Roman, J. A. Garcia-Souto, and J. Rubio-SerranoFiber optic sensor for acoustic detection of partial discharges in oil-paper insulated electrical systemsSensors20121247934802

A. Tiwari and A. ChandsarkarAnalyze the transmissibility of various materials using vibration analysisInt. J. Eng. Sci. Res. Technol.20143247251

T. Iida, K. Nakamura, and S. UehaA microphone array using fiber bragg gratingsOpt. Fiber Sensors Conf. Tech. Dig.2002

Y. Lee, S. Yang, T. Kwon, C. Lee, B. Park, and W. LeeA BLUE estimator for passive localization by TDOA methodJ. KICS201136702711

L. R. ParadowskiMicrowave emitter position location: present and futureProc. Microwaves and Radar1998497116

M. WaxThe joint estimation of differential delay, Doppler, and phaseIEEE Trans. Inf. Theory198228817820

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