Laboratory UWB GPR system for land mine detection

Bart Scheers; Y. Plasman; M. Piette; Marc P. J. Acheroy; Andre Vander Vorst

doi:10.1117/12.383510

27 April 2000 Laboratory UWB GPR system for land mine detection

Bart Scheers, Y. Plasman, M. Piette, Marc P. J. Acheroy, Andre Vander Vorst

Proceedings Volume 4084, Eighth International Conference on Ground Penetrating Radar; (2000) https://doi.org/10.1117/12.383510
Event: 8th International Conference on Ground Penetrating Radar, 2000, Gold Coast, Australia

Abstract

In this paper, the design and the modeling of an indoor impulse UWB GPR systems (1 GHz - 5 GHz), built in the scope of the HUDEM project, is presented. For an impulse UWB system, a time-domain modeling is an obvious choice. We explain how the antennas can be characterized by their normalized impulse response. By considering the antenna as a convolution operator, we get a mechanism for modeling the whole radar system as a cascade of linear responses, which gives a lot of advantages and possible application. In our research it is used to express the radar range equation in the time-domain, to optimize the antenna configuration and to tune signal- processing algorithms. The deconvolution of the signal source and antenna impulse responses is an ill posed operation. In this paper we present a method for decomposing an A-scan in a linear combination of wavelets, using the Continuous Wavelet Transformations -- by properly choosing the mother wavelet. This technique can also be used to reduce the amount of data for further processing. Finally results obtained by our UWB GPR system are shown. Advantages and shortcomings are discussed.

Citation Download Citation

Bart Scheers, Y. Plasman, M. Piette, Marc P. J. Acheroy, and Andre Vander Vorst "Laboratory UWB GPR system for land mine detection", Proc. SPIE 4084, Eighth International Conference on Ground Penetrating Radar, (27 April 2000); https://doi.org/10.1117/12.383510

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