Suppressing sidelobes in metasurface-based antennas using a cross-entropy method variant and full wave electromagnetic simulations
Managing sidelobe levels (SLLs) in metasurface-driven beam-steering antennas poses a
significant challenge due to intrinsic factors leading to grating lobes. Our proposed method …
significant challenge due to intrinsic factors leading to grating lobes. Our proposed method …
Cross-entropy method for design and optimization of pixelated metasurfaces
Electromagnetic metasurfaces are planar two-dimensional metamaterials, typically of
subwavelength thickness. Unit cell elements of different shapes have been widely explored …
subwavelength thickness. Unit cell elements of different shapes have been widely explored …
Cross-Entropy Method for Combinatorial Mixed-Parameter Optimization of Waveguide Polarizers for Ku-Band
In this work, a cross-entropy (CE) method-based combinatorial mixed parameter
optimization approach is successfully implemented to design a wideband waveguide …
optimization approach is successfully implemented to design a wideband waveguide …
Applications of Near-Field Meta-Steering Antenna Systems
The near-field meta-steering (NFMS) method, a beam-steering technique using pair of near-
field metasurfaces, has several unique attributes, including planar profile, lack of active …
field metasurfaces, has several unique attributes, including planar profile, lack of active …
An Overview On the Optimization of Beam-Steering Metasurfaces
This paper presents an evaluative summary of the optimization algorithms based methods
reported to improve the efficiency of Near-Field Meta-Steering (NFMS) systems. These …
reported to improve the efficiency of Near-Field Meta-Steering (NFMS) systems. These …