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Normalized Partial Scattering Cross Section for Performance Evaluation of Low-Observability Scattering Structures by Muhammad Abdullah; Slawomir Koziel; Stanislaw Szczepanski is a Engineering article available to read on EtoBox.

What is Normalized Partial Scattering Cross Section for Performance Evaluation of Low-Observability Scattering Structures about?

The development of diffusion metasurfaces created new opportunities to elevate the stealthiness of combat aircraft. Despite the potential significance of metasurfaces, their rigorous design methodologies are still lacking, especially in the context of meticulous control over the scattering of electromagnetic (EM) waves through geometry parameter tuning. Another practical issue is insufficiency of the existing performance metrics, specifically, monostatic and bistatic evaluation of the reflectivity, especially at the design stage of metasurfaces. Both provide limited insight into the RCS reduction properties, with the latter being dependent on the selection of the planes over which the evaluation takes place. This paper introduces a novel performance metric for evaluating scattering characteristics of a metasurface, referred to as Normalized Partial Scattering Cross Section (NPSCS). The metric involves integration of the scattered energy over a specific solid angle, which allows for a comprehensive assessment of the structure performance in a format largely independent of the particular arrangement of the scattering lobes. We demonstrate the utility of the introduced metric using tw

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Author

Muhammad Abdullah; Slawomir Koziel; Stanislaw Szczepanski

Publisher

MDPI AG

Published

2021

Language

EN

Field

Engineering (Physical Sciences)