Design and implementation of a shielded underwater vector sensor for laboratory environments

Andrew R. Barnard, Stephen A. Hambric

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Underwater acoustic vector sensors, for measuring acoustic intensity, are typically used in open water where electromagnetic interference (EMI) is generally not a contributor to overall background noise. However, vector sensors are also useful in a laboratory setting where EMI can be a limiting factor at low frequencies. An underwater vector sensor is designed and built with specific care for EMI immunity. The sensor, and associated signal processing, is shown to reduce background noise at EMI frequencies by 10-50 dB and 10-20 dB across the entire frequency bandwidth, as compared to an identical unshielded vector sensor.

Original languageEnglish (US)
Pages (from-to)EL387-EL391
JournalJournal of the Acoustical Society of America
Volume130
Issue number6
DOIs
StatePublished - Dec 1 2011

All Science Journal Classification (ASJC) codes

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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