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Cavity Detection Using Single-fold Frequency Analysis Editorial

Monash University, P.O. Box 28E, Clayton, 3800, Victoria, Australia jim.cull{at}sci.monash.edu.au

A 4-channel, single-fold seismic acquisition system can be used to measure frequency domain response along paved roads. Shallow membrane delaminations and voiding defects are identified by a dominant mode consistent with membrane vibration and high-frequency attenuation above 100 Hz. The results correlate well with GPR profiles, and are especially useful for near-surface imaging where metallic clutter noise corrupts EM measurements.