A System for Self-Localizing Near Field Data Processing

Abstract

A system, processor and method of use for calibration processing is provided to calibrate acoustic vector sensor data collected at comparatively close range. Vector sensor data collected at close range includes data collected with source-to-receiver separations ranging from a one-tenth to approximately two acoustic wavelengths. The calculations substantially account for the acoustic impedance of a spherically diverging wave front, where the curvature is sufficiently pronounced to cause errors in resulting measurements in the calculations. The processing uses information contained within the vector sensor data to increase the accuracy of the vector sensor data.

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Document Details

Document Type
Technical Report
Publication Date
Sep 07, 2011
Accession Number
ADA558493

Entities

People

  • Steven E. Crocker

Organizations

  • United States Department of the Navy

Tags

Communities of Interest

  • Sensors

DTIC Thesaurus Topics

  • Accuracy
  • Acoustic Impedance
  • Acoustic Signals
  • Acoustic Waves
  • Assembly
  • Calibration
  • Curvature
  • Data Processing
  • Frequency
  • Geometry
  • Hydrophones
  • Impedance
  • Measurement
  • Near Field
  • Test Equipment
  • Test Fixtures
  • Waveforms

Fields of Study

  • Physics

Readers

  • Fluid Dynamics.
  • Geodesy
  • Systems Analysis and Design