Landmine detection with GPR, is conditioned by a properly focusing of the detected anomaly in the subsurface, and this is theoretically possible only if the data have been acquired fulfilling the spatial Nyquist criterion. An under-sampled data will suffer from missing features, thus will carry a lower informative level. Especially in extreme and adverse environments, this constraint could be a huge issue. In addition, target complexity or soil heterogeneity could introduce the need for 3D acquisitions, thus significantly enhancing the time spent by an operator on the field. The aim of this paper is to provide a comparison between images obtained relaxing the Nyquist criterion, to show that even if it does not hold, the informative content of the final radar image will not be too much corrupted.

The Influence of Spatial Sampling in GPR Surveys for the Detection of Landmines and IEDs

Federico Lombardi;Maurizio Lualdi
2016

Abstract

Landmine detection with GPR, is conditioned by a properly focusing of the detected anomaly in the subsurface, and this is theoretically possible only if the data have been acquired fulfilling the spatial Nyquist criterion. An under-sampled data will suffer from missing features, thus will carry a lower informative level. Especially in extreme and adverse environments, this constraint could be a huge issue. In addition, target complexity or soil heterogeneity could introduce the need for 3D acquisitions, thus significantly enhancing the time spent by an operator on the field. The aim of this paper is to provide a comparison between images obtained relaxing the Nyquist criterion, to show that even if it does not hold, the informative content of the final radar image will not be too much corrupted.
Eurad2016
9782874870453
Ground Penetrating Radar; spatial sampling; imaging; data acquisition;
File in questo prodotto:
File Dimensione Formato  
2016_Paper_Eurad_Sampling.PDF

Accesso riservato

: Post-Print (DRAFT o Author’s Accepted Manuscript-AAM)
Dimensione 396.27 kB
Formato Adobe PDF
396.27 kB Adobe PDF   Visualizza/Apri

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11311/1045976
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 2
  • ???jsp.display-item.citation.isi??? 2
social impact