1887
Volume 6 Number 6
  • ISSN: 1569-4445
  • E-ISSN: 1873-0604

Abstract

ABSTRACT

This paper addresses the problem of characterizing scattering systems from the knowledge of transient scattered fields measured when only one source is used to illuminate an investigating region. The inverse problem is formulated in the frequency domain rather than in the time domain and the modified2 conjugate gradient method, which is a hybrid strategy belonging to the class of the modified conjugate gradient approaches, is exploited to retrieve the unknown permittivity and/or conductivity profiles. The aim of the paper is to investigate how the reconstruction capabilities of the adopted inversion procedure may be improved by acting on the characteristic parameters of the incident pulse that is its central frequency and bandwidth. In order to provide a preliminary analysis, experimental data corresponding to inhomogeneous two‐dimensional objects embedded into a homogenous medium are processed.

Loading

Article metrics loading...

/content/journals/10.3997/1873-0604.2008026
2008-05-01
2024-04-25
Loading full text...

Full text loading...

References

  1. AbubakarA., van den BergP.M. and HabashyT.M.2005. Application of the multiplicative regularized contrast source inversion method on TM‐ and TE‐polarized Fresnel data.Inverse Problems21, S5–S13.
    [Google Scholar]
  2. BelkebirK., BonnardS., PezinF., SabourouxP. and SaillardM.2000. Validation of 2D inverse scattering algorithms from multi‐frequency experimental data.Journal of Electromagnetic Waves Applications14, 1637–1667.
    [Google Scholar]
  3. BelkebirK. and SaillardM.2001. Special section: Testing inversion algorithms against experimental data.Inverse Problems17, 1565–1571.
    [Google Scholar]
  4. BelkebirK. and SaillardM.2005. Special section on testing inversion algorithms against experimental data: inhomogeneous targets.Inverse Problems21, S1–S3.
    [Google Scholar]
  5. BelkebirK. and TijhuisA.G.2001. Modified2 gradient method and modified Born method for solving a two‐dimensional inverse scattering problem. Inverse Problems17, 1671–1688.
    [Google Scholar]
  6. BerteroM. and BoccacciP.1998. Introduction to Inverse Problems in Imaging. Institute of Physics, Bristol.
    [Google Scholar]
  7. BloemenkampR.F. and van den BergP.M.2000. Time‐domain profile inversion using contast sources.Inverse Problems16, 1173–1193.
    [Google Scholar]
  8. BolomeyJ.C.1989. Recent European developments in active microwave imaging for industrial, scientist and medical applications. IEEE Transactions on Microwave Theory and Techniques37, 2109–2117.
    [Google Scholar]
  9. BrancaccioA., PascazioV. and PierriR.1995. A quadratic model for inverse profiling: The one dimensional case.Journal of Electromagnetic Waves Applications9, 673–696.
    [Google Scholar]
  10. BucciO.M. and FranceschettiG.1989. On the degree of freedom of scattered field.IEEE Transactions on Antennae and Propagation37, 918–926.
    [Google Scholar]
  11. ChewC.W.1995. Waves and Fields in Inhomogeneous Media. IEEE Press.
    [Google Scholar]
  12. ChewC.W. and WangJ.M.1990. Reconstruction of two‐dimensional permittivity distribution using distorted Born iterative method.IEEE Transactions on Medical Imaging9, 218–225.
    [Google Scholar]
  13. ColtonD. and KressR.1992. Inverse Acoustic and Electromagnetic Scattering Theory. Springer‐Verlag.
    [Google Scholar]
  14. CroccoL., D'UrsoM. and IserniaT.2005. Testing the contrast source extended Born method against real data: the TM case.Inverse Problems21, S33–S50.
    [Google Scholar]
  15. DanielsD.J.2004. Ground‐Penetrating Radar, 2nd edn. IEE Radar, Sonar and Navigation series 15.
    [Google Scholar]
  16. DevaneyA.J.1984. Geophysical diffraction tomography.IEEE Transactions on Geoscience and Remote Sensing22, 3–13.
    [Google Scholar]
  17. DuboisA., BelkebirK. and SaillardM.2005. Retrieval of inhomogeneous targets from experimental frequency diversity data.Inverse Problems21, S69–S79.
    [Google Scholar]
  18. DuboisA., GeffrinJ.M., BelkebirK. and SaillardM.2006. Imaging of dielectric cylinders from experimental stepped‐frequency data.Applied Physics Letters88, 164104.
    [Google Scholar]
  19. EyraudC.2006. Caractérisation et optimisation, dans le domaine des hyperfrquences, des mesures de champs diffractés. Application aux problmes directs et inverses tridimensionnels. PhD Thesis, Universite de Provence Aix‐Marseille I.
    [Google Scholar]
  20. FlanneyB.P., TeukoloskiS.A. and VetterlingW.T.2007. Numerical Recipes. The Art of Scientific Computing. Cambridge University Press.
    [Google Scholar]
  21. IserniaT., PascazioV. and PierriR.1997. A non linear estimation method in tomographic imaging.IEEE Transactions on Geoscience and Remote Sensing35, 910–923.
    [Google Scholar]
  22. KleinmanR.E. and van den BergP.M.1993. An extended range‐modified gradient technique for profile inversion.Radio Science28, 877–884.
    [Google Scholar]
  23. KleinmanR.E. and van den BergP.M.1997. A contrast source inversion method. Inverse Problems13, 1607–1620.
    [Google Scholar]
  24. MillerE.L., KlimerM. and RappaportC.2000. A new shape‐based method for object localization and characterization from scattered field data. IEEE Transactions on Geoscience and Remote Sensing38, 682–1696.
    [Google Scholar]
  25. PengZ.Q. and TijhuisA.G.1993. Transient scattering field by a lossy dielectric cylinder: marching‐on‐in frequency approach.Journal of Electromagnetic Waves Applications7, 739–763.
    [Google Scholar]
  26. SabourouxP. and BosciP.2005. Epsimu: A new microwave materials measurement kit. Revue de L'Electricité et de l'Electronique10, 58–63.
    [Google Scholar]
  27. YuW.H. and MittraR.1997. A nonlinear optimization technique for reconstructing dielectric scatterers with positive high contrast.IEEE Transactions on Microwave Theory and Techniques15, 268–271.
    [Google Scholar]
http://instance.metastore.ingenta.com/content/journals/10.3997/1873-0604.2008026
Loading
/content/journals/10.3997/1873-0604.2008026
Loading

Data & Media loading...

  • Article Type: Research Article

Most Cited This Month Most Cited RSS feed

This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error