RCS reduction by metasurface with random distribution of reflection phases

2015 
This article makes research on novel metasurface with randomly distributed reflection phase, which are expected to effectively reduce radar cross-section (RCS) of conducting objects. We have realized an instance of such metasurface, which is composed of three-layer stacked-patch elements. The RCS-reduction feature of this instance is validated by measurements under normal plane wave incidence. It is observed that the presented metasurface is capable of suppressing the specular reflections of conducting plate significantly for two orthogonal incident polarizations. The presented metasurface also has the potential of providing broadband performance.
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