Computing the Radar Cross-Section of Dielectric Targets Using the Gaussian Beam Summation Method Article Swipe

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Mira Abboud , Ali Khenchaf , Philippe Pouliguen , Thomas Bonnafont ·

YOU? · · 2023 · Open Access · · DOI: https://doi.org/10.3390/rs15143663

Computing the Radar Cross-Section (RCS) of a given object is a topic of major importance for many applications, e.g., target detection and stealth technology. In this context, high-frequency asymptotic methods are widely used. In this article, we derive a Gaussian Beam Summation (GBS) method for both metallic and dielectric targets. The basic idea is to use the GBS method to compute the scattering far fields generated by the equivalent currents flowing on the surfaces. The validity of the proposed method is then investigated in the X-band. To accomplish this, the results obtained using this technique were compared to those obtained using other sufficiently accurate methods such as the ray tracing of FEKO and the ray asymptotic solution. As an example of the method’s accuracy, the GBS method was used to obtain the wave field in a homogeneous medium by fitting the results to a point source. In the same way, the method was used to compute the RCS of dielectric cuboids.

Related Topics

Computational Physics

Beam (Structure)

Mathematical Analysis

Concepts

Radar cross-section Gaussian beam Optics FEKO Radar Computer science Gaussian Near and far field Ray tracing (physics) Context (archaeology) Physics Computational physics Scattering Beam (structure) Mathematical analysis Mathematics Telecommunications Geology Antenna (radio) Paleontology Quantum mechanics

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Type: article
Language: en
Landing Page: https://doi.org/10.3390/rs15143663
PDF: https://www.mdpi.com/2072-4292/15/14/3663/pdf?version=1690183961
OA Status: gold
References: 43
Related Works: 10
OpenAlex ID: https://openalex.org/W4385226636

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DOI: https://doi.org/10.3390/rs15143663

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Title: Computing the Radar Cross-Section of Dielectric Targets Using the Gaussian Beam Summation Method

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Language: en

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Publication year: 2023

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Publication date: 2023-07-22

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Authors: Mira Abboud, Ali Khenchaf, Philippe Pouliguen, Thomas Bonnafont

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Landing page: https://doi.org/10.3390/rs15143663

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Concepts: Radar cross-section, Gaussian beam, Optics, FEKO, Radar, Computer science, Gaussian, Near and far field, Ray tracing (physics), Context (archaeology), Physics, Computational physics, Scattering, Beam (structure), Mathematical analysis, Mathematics, Telecommunications, Geology, Antenna (radio), Paleontology, Quantum mechanics

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