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Laser Doppler vibrometer-based acoustic landmine detection using the fast M-sequence transform

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2 Author(s)
Ning Xiang ; Nat. Center for Phys. Acoust., Univ. of Mississippi, University, MS, USA ; Sabatier, J.M.

Acoustic landmine detection using a laser Doppler vibrometer (LDV) has demonstrated success in recent field tests. However, low detector signals and speckle noise are still challenging problems in the LDV-based acoustic-to-seismic detection of buried landmines. This letter describes the use of binary maximum-length sequences as the acoustic excitation for achieving high SNRs of scanning results. Some relevant issues associated with the detection system design and experimental field results are discussed.

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Geoscience and Remote Sensing Letters, IEEE  (Volume:1 ,  Issue: 4 )