Wideband frequency response of low metal mines

Y. Dalichaouch, Brian Whitecotton, Tobin McManus, Steve Kuhn, Hoke Trammell, Richard Shelby, L. Carin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Extensive studies of in-air testing of various metal detectors have been previously performed for a wide variety of targets and operating conditions. 1,2 Using similar targets, we conducted a preliminary evaluation of a laboratory prototype wideband metal detector operating in the frequency domain (FD) under development at Quantum Magnetics. The wideband metal detector uses a small magnetoresistive (MR) sensor instead of an induction coil in the receive chain and can collect frequency response signatures of targets in the frequency band 100 Hz-150 kHz, thereby providing a more complete picture of a low metal mine response. These results suggest that wideband metal detection can play an important role in improving the false alarm rate (FAR) in a common detector platform by improving the amount of information provided to the fused algorithm process.
Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Pages275-282
Number of pages8
DOIs
StatePublished - Dec 20 2004
Externally publishedYes

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