Micromachined Directional Hydrophones

Abstract

The long-term goal of this investigation was to develop a high-performance, miniature, directional hydrophone to either replace existing omnidirectional sensors or to greatly increase the number of directional sensors in deployable surveillance and tactical ASW and USW systems. Increased directionality yields improved signal detection, improved noise discrimination, and improved classification ability. The technical objective was to develop a low frequency, miniature, directional hydrophone element by exploiting emerging silicon microfabrication technology (MicroElectroMechanical Systems or MEMS).

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Document Details

Document Type
Technical Report
Publication Date
Aug 07, 2000
Accession Number
ADA381441

Entities

People

  • Thomas B. Gabrielson

Organizations

  • Pennsylvania State University

Tags

Communities of Interest

  • Advanced Electronics
  • Sensors

DTIC Thesaurus Topics

  • Acoustics
  • Application-Specific Integrated Circuits
  • Bipolar Junction Transistors
  • Boundary Layer
  • Complementary Metal-Oxide Semiconductors
  • Detection
  • Electrical Impedance
  • Electronics Industry
  • Electronics Laboratories
  • Fabrication
  • Field Effect Transistors
  • Jet Propulsion
  • Measurement
  • Mechanics
  • Microelectromechanical Systems
  • Semiconductors
  • Transducers

Readers

  • Integrated Circuit Design and Technology.
  • Phased Array Antenna Design.
  • Sensor Fusion and Tracking Systems.

Technology Areas

  • Microelectronics
  • Microelectronics - Microelectromechanical Systems