Ultrasensitive directional microphone arrays for military operations in urban terrain.

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Description

Acoustic sensing systems are critical elements in detection of sniper events. The microphones developed in this project enable unique sensing systems that benefit significantly from the enhanced sensitivity and extremely compact foot-print. Surface and bulk micromachining technologies developed at Sandia have allowed the design, fabrication and characterization of these unique sensors. We have demonstrated sensitivity that is only available in 1/2 inch to 1 inch studio reference microphones--with our devices that have only 1 to 2mm diameter membranes in a volume less than 1cm{sup 3}.

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44 p.

Creation Information

Hall, Neal A.; Peterson, Kenneth Allen; Parker, Eric Paul; Resnick, Paul James; Okandan, Murat & Serkland, Darwin Keith November 1, 2007.

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Description

Acoustic sensing systems are critical elements in detection of sniper events. The microphones developed in this project enable unique sensing systems that benefit significantly from the enhanced sensitivity and extremely compact foot-print. Surface and bulk micromachining technologies developed at Sandia have allowed the design, fabrication and characterization of these unique sensors. We have demonstrated sensitivity that is only available in 1/2 inch to 1 inch studio reference microphones--with our devices that have only 1 to 2mm diameter membranes in a volume less than 1cm{sup 3}.

Physical Description

44 p.

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Identifier

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  • Report No.: SAND2007-7419
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/934861 | External Link
  • Office of Scientific & Technical Information Report Number: 934861
  • Archival Resource Key: ark:/67531/metadc895301

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  • November 1, 2007

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

Description Last Updated

  • Dec. 2, 2016, 4:39 p.m.

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Hall, Neal A.; Peterson, Kenneth Allen; Parker, Eric Paul; Resnick, Paul James; Okandan, Murat & Serkland, Darwin Keith. Ultrasensitive directional microphone arrays for military operations in urban terrain., report, November 1, 2007; United States. (digital.library.unt.edu/ark:/67531/metadc895301/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.