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Virtualized Microphone Array for Moving Sources Mapping.

Francesca Sopranzetti1, Alessia Caputo1, Paolo Castellini1

  • 1Department of Industrial Engineering and Mathematical Sciences, Polytechnic University of Marche, 60131 Ancona, Italy.

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Summary
This summary is machine-generated.

This study introduces a novel acoustic beamforming technique that leverages object movement as a resource. This method enhances acoustic analysis for moving objects by virtually increasing microphone data, improving source localization and characterization.

Keywords:
beamformingmoving sourceresolutionvirtualized array

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Area of Science:

  • Acoustics
  • Signal Processing
  • Mechanical Engineering

Background:

  • Acoustic analysis of moving objects is crucial for machine characterization.
  • Compensating for object movement complicates source localization and characterization.

Purpose of the Study:

  • To propose a novel acoustic beamforming technique for analyzing moving objects.
  • To utilize object movement as a resource rather than a challenge.

Main Methods:

  • Acoustic beamforming technique applied to moving objects.
  • Treating time segments of acquired signals as virtual microphone acquisitions.
  • Utilizing the object's reference system for analysis.

Main Results:

  • Demonstrated effectiveness with simulated and real signal data.
  • Successful acoustic source localization and characterization for moving objects.
  • Validation of the proposed technique's performance.

Conclusions:

  • The proposed technique effectively addresses challenges in acoustic analysis of moving objects.
  • Leveraging movement enhances data acquisition, improving analysis accuracy.
  • The method offers a valuable tool for machine diagnostics and characterization.