Radar Cross Section of Modified Target Using Gaussian Beam Methods: Experimental Validation

Ghanmi, Helmi; Khenchaf, Ali; Pouliguen, Philippe

doi:10.1109/radar.2018.8557258

Cited by 4 publications

(4 citation statements)

References 17 publications

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“…On the other hand, when r = 0, the curves of GBS method do not have singularities. This result confirms that by using the GBS method can solve some limitations of the ray asymptotic models (singularities) [20, 23].…”

Section: Introduction and Formulation Of Gbs And Gblsupporting

confidence: 81%

“…In the previous works [20–23], both GBS and GBL techniques are applied for the simulation of canonical and modified target RCS. It was found that the purposed composite GBS/GBL + PTD provide an accurate representation of the scattered field.…”

Section: Introductionmentioning

confidence: 99%

“…These studies [20–22, 24, 25] demonstrate that the summation of GB allows overcoming some critical of the asymptotic models related to the caustics and the evaluation of the wave field in singular areas. To our knowledge, the first application of the GBS technique for the scattering by a modified target is presented in [23].…”

Section: Introduction and Formulation Of Gbs And Gblmentioning

confidence: 99%

“…Finally, an integral representation (7) can be used for the estimation of the total amplitude ( u GBS ). This integral is evaluated on all GBs described by their take‐off angle φ from the source [20, 23]

u^{GBS} = \int_{γ} {normalΦ}_{φ} u_{φ} ()(, s, q_{1}, q_{2}) normald γ

In the final formulation of the u GBS (7), u φ ( s , q 1 , q 2 ) is the GB related to the ray given by (5), Φ φ is the complex weight function which is constant in each considered ray but differs from ray to ray. The term dγ is expressed according to angle φ by the equation [2 π sin( φ ) d φ ).…”