Experimental Results and Numerical Simulation of the Target RCS using Gaussian Beam Summation Method

Helmi Ghanmi (1) , Ali Khenchaf (2) , Philippe Pouliguen , Papa Oussmane Leye (1)

1 Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
2 Lab-STICC_ENSTAB_MOM_PIM

This paper presents a numerical and experimental study of Radar Cross Section (RCS) of radar targets using Gaussian Beam Summation (GBS) method. The purpose GBS method has several advantages over ray method, mainly on the caustic problem. To evaluate the performance of the chosen method, we started the analysis of the RCS using Gaussian Beam Summation (GBS) and Gaussian Beam Launching (GBL), the asymptotic models Physical Optic (PO), Geometrical Theory of Diffraction (GTD) and the rigorous Method of Moment (MoM). Then, we showed the experimental validation of the numerical results using experimental measurements which have been executed in the anechoic chamber of Lab-STICC at ENSTA Bretagne. The numerical and experimental results of the RCS are studied and given as a function of various parameters: polarization type, target size, Gaussian beams number and Gaussian beams width.

Mots clés: Radar Cross Section(RCS) Gaussian Beam Summation (GBS) Gaussian Beam Launching (GBL) Geometrical Theory of Diffraction (GTD) Physical Optic (PO) Method of Moment (MoM)

Domaines: Electromagnétisme

Helmi Ghanmi, Ali Khenchaf, Philippe Pouliguen, Papa Oussmane Leye. Experimental Results and Numerical Simulation of the Target RCS using Gaussian Beam Summation Method. Advances in Science, Technology and Engineering Systems Journal, 2018, 3 (3), pp.01 - 06. ⟨10.25046/aj030301⟩. ⟨hal-01824522⟩