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Restoration of media and objects' parameters with ground penetrating radar. Methods and algorithms

Keywords:

A.Yu. Grinev, V.S. Temchenko, D.V. Bagno, A.E. Zaikin, E.V. Ilyin


Results of investigations in restoration of geometrical end electro-physical parameters restoration are presented for subsurface media and objects, their radio images forming. For this, ground penetrating radar with ultra wide-band short-pulse sounding signal is used. Methods and algorithms of restoration are based on relation of parameters of medium or object with its scattered electromagnetic field's signature. Method of computational diagnostics (MCD), a set of the direct problem solving techniques and global optimization algorithms are used for inverse problem solution. The MCD is based on smoothing functional minimization. This functional is the discrepancy function of measured space-time samples of scattered electromagnetic field and the direct problem solution results. This functional is non-convex and multi-extremal, and genetic algorithm is used for its minimization. Complementary methods were elaborated to include ultra wide-band transmit and receive antennas and electromagnetic wave propagation inside of underground medium into GPR model. These methods are: MCD – decomposition to plane waves; MCD – modelling with dipoles; MCD – virtual complex source. The methods are based on electromagnetic models of different levels of detailing and accuracy. To solve the direct problem, layered media' Green's function tensor is represented with limited number of plane E- and H-waves. Results of complex source's Geen's function approximation are presented. These results are used in modeling of ultra-wideband transmit-receive antenna of the GPR with equivalent complex sources. Basing on this approach, electrodynamic model of the GPR's antenna allows effectively solve the direct problem. Results of the GPR antenna simulation are presented, and a sources of single complex and paired complex dipoles are used for this. Algorithms of range migration and reverse projections are implemented for subsurface objects' radio images forming with multichannel GPR. Specifics of media (objects) parameters restoration, calibration procedures of GPR radio path, subsurface objects 3D images forming are discussed. Delivered methods and algorithms are integrated in multi-channel GPR software package. This provides effective restoration of subsurface media' and objects' geometry and electro-physical parameters, as well as forming of radio images of subsurface volume.
References:

  1. Daniels D.J. Ground penetrating radar // The Institution of Electrical Engineers. 2004. P. 726.
  2. Proceedings of the 11th International Conference on Ground-penetrating Radar // Columbus, Ohio State University. USA. June 19–21. 2006. P. 408.
  3. Voprosy' podpoverxnostnoj radiolokaczii. Kollektivnaya monografiya // pod red. A.Ju. Grineva. M.: Radiotexnika. 2005. 416 s.
  4. Grinev A.Ju., Temchenko V.S., Bagno D.V., Zajkin A.E., Il'in E.V. Mnogokanal'ny'j radar podpoverxnostnogo zondirovaniya (programmny'e, apparatny'e texnologii i rezul'taty' e'ksperimental'ny'x issledovanij) // Radiotexnika. 2013. v pechati.
  5. Tixonov A.N., Goncharskij A.V., Stepanov V.V, Jagola A.G. Chislenny'e metody' resheniya nekorrektny'x zadach. M.: Nauka. 1989. 230 s.
  6. Dmitriev V.I. Obratny'e zadachi e'lektromagnitny'x metodov geofiziki. V knige Nekorrektny'e zadachi estestvoznaniya / pod red. A.N. Tixonova, A.V. Goncharskogo. M.: Izd-vo Mosk. un-ta. 1987. S. 54–76.
  7. Haupt Randy L., Werner Douglas H. Genetic Algorithms in Electromagnetics // Wiley-IEEE Press. 2007. P. 301.
  8. Meincke P., Hansen T. Plane-Wave Characterization of AntennasClose to a Planar Interface // IEEE Trans. Antennas Propagat2004. V. 42. № 6. P. 1222–1232.
  9. Grinev A.Ju. Chislenny'e metody' resheniya prikladny'x zadach e'lektrodinamiki. M.: Radiotexnika. 2012. 336 s.
  10. Grinev A.Ju., Temchenko V.S., Il'in E.V. Diagnostika parametrov ploskosloisty'x sred s uchetom vektornoj prostranstvenno-vremennoj impul'snoj xarakteristiki priemo-peredayushhej antenny' // Radiotexnika. 2008. № 2. C. 3–17.
  11. Spagnolini U. Permittivity Measurements of Multilayered Media With Monostatic Pulse Radar // IEEE Trans. On Gescience and Remote Sensing. 1997. V. 35. № 2. P. 454–463.
  12. Grinev A.Ju., Temchenko V.S., Bagno D.V., Il'in E.V. Mnogofunkczional'ny'j mnogokanal'ny'j radar podpoverxnostnogo zondirovaniya // Trudy' IV Vserossijskoj konferenczii «Radiolokacziya i radiosvyaz'». IRE' im. V.A. Kotel'nikova RAN. 26–30 oktyabrya 2011. S. 132–136.
  13. Hansen T.B. Complex-Point Dipole Formulation of Probe-Corrected Cylindrical and Spherical Near-Field Scanning of Electromagnetic Fields // IEEE Trans. Antennas Propagat. 2009. V. 57. № 3. P. 728–741.
  14. Grinev A.Ju., Temchenko V.S. Modelirovanie shirokopolosnoj antenny' radara podpoverxnostnogo zondirovaniya kompleksny'mi e'lektricheskimi i magnitny'mi istochnikami // Antenny'. 2011. № 3. S. 15–24.
  15. Grinev A.Ju., Temchenko V.S., Il'in E.V. Modelirovanie zondiruyushhix i rasseyanny'x e'lektromagnitny'x polej na osnove dipol'noj approksimaczii xarakteristik antenny' podpoverxnostnogo radara // Antenny'. 2009. № 12. S. 60–71.
  16. Markov G.T., Chaplin A.F. Vozbuzhdenie e'lektromagnitny'x voln // M.: E'nergiya. 1983. S. 376.
  17. Lambot S., Slob E.C., Van den Bosch I. Modeling of GPR for Accurate Characterization of Subsurface Electric Properties // IEEE Trans. On Gescience and Remote Sensing. 2004. V. 42. № 11. P. 2555–2567.
  18. Lopez-Sanchez J., Fortuny-Guasch J. 3-D Radar Imaging Using Range Migration Techniques // IEEE Trans. Antennas Propagat. 2005. V. 48. № 5. P. 728–737.

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