Acousto-electromagnetic sensor for locating land mines

Waymond R. Scott Jr.; Christoph T. Schroeder; James S. Martin

doi:10.1117/12.324189

4 September 1998 Acousto-electromagnetic sensor for locating land mines

Waymond R. Scott Jr., Christoph T. Schroeder, James S. Martin

Proceedings Volume 3392, Detection and Remediation Technologies for Mines and Minelike Targets III; (1998) https://doi.org/10.1117/12.324189
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

A hybrid technique is presented that simultaneously uses both electromagnetic and acoustic waves in a synergistic manner to detect buried land mines. The system consists of an electromagnetic radar and an acoustic source. The acoustic source causes both the mine and the surface of the earth to be displaced. The electromagnetic radar is used to detect these displacements and, thus, the mine. To demonstrate the viability of this technique, an experimental system has been constructed. The system uses an electrodynamic transducer to induce an acoustic surface wave, a tank filled with damp sand to simulate the earth, a simulated mine, and a radar to measure the vibrations. The technique looks promising; we have been able to detect both simulated antipersonnel mines and antitank mines buried in damp sand from the experimental results obtained with the system.

Citation Download Citation

Waymond R. Scott Jr., Christoph T. Schroeder, and James S. Martin "Acousto-electromagnetic sensor for locating land mines", Proc. SPIE 3392, Detection and Remediation Technologies for Mines and Minelike Targets III, (4 September 1998); https://doi.org/10.1117/12.324189

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