Nonlinear acoustic landmine detection

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Numerous field tests have demonstrated that buried landmines manifest themselves at the surface through linear and nonlinear responses to acoustic/seismic excitation at the frequencies below 1000 Hz. The linear signatures are due to lower impedance of soil above "softer" mine, especially in the vicinity of mine's resonance. These phenomena are utilized for landmine detection demonstrating high provability of detection and low false alarms. The paper provides overview of theoretical and experimental investigations conducted by the author and his colleagues at Stevens Institute of Technology with emphasis on the nonlinear detection. Among major accomplishments are development of a simple engineering model explaining and predicting the nonlinear soil-mine dynamic behavior; analysis of the nonlinear acoustic interactions at the soil-mine interface; development and field validation of nonlinear quadratic and intermodulation detection algorithms based on dual-frequency excitation.

Original languageEnglish
Title of host publicationNonlinear Acoustics - Fundamentals and Applications - ISNA18 - 18th International Symposium on Nonlinear Acoustics
Pages513-516
Number of pages4
DOIs
StatePublished - 2008
Event18th International Symposium on Nonlinear Acoustics, ISNA18 - Stockholm, Sweden
Duration: 7 Jul 200810 Jul 2008

Publication series

NameAIP Conference Proceedings
Volume1022
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference18th International Symposium on Nonlinear Acoustics, ISNA18
Country/TerritorySweden
CityStockholm
Period7/07/0810/07/08

Keywords

  • Landmine detection
  • Nonlinear dynamics
  • Nonlinear soil-mine interface

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