Analytical study and experimental verification of the surface wave loss on a tensor impedance surface
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.31983
Abstract: In this article, propagation loss is investigated for a surface wave (SW) when enters from a scalar impedance surface (SIS) to a tensor impedance surface (TIS). This loss has two components: (a) loss due to… read more here.
Keywords: impedance surface; surface; loss; surface wave ... See more keywords
An Axial Compression Planar Lens Antenna Based on Discrete Transformation Electromagnetics Using High-Impedance Surface Cells
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2019.2925074
Abstract: A two-dimensional (2-D) convex lens is reshaped and compressed into a 2-D flat lens with a compression ratio of 52.6% by discrete transformation electromagnetics. The single-layer high-impedance surface cells are used to fill with the… read more here.
Keywords: impedance; high impedance; planar lens; lens antenna ... See more keywords
A Compact and Low-Profile MIMO Antenna Using a Miniature Circular High-Impedance Surface for Wearable Applications
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2017.2773465
Abstract: A new miniature circular high-impedance surface (HIS) is used to design a compact and low-profile multi-in multi-out (MIMO) antenna for wearable applications. The antenna is designed to operate from 2.4 to 2.49 GHz for wireless… read more here.
Keywords: impedance surface; mimo antenna; mimo; miniature circular ... See more keywords
Design and Experiments of Bandwidth-Controllable Broadband Monopole Antennas With Conformal Anisotropic Impedance Surface Coatings
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2018.2790160
Abstract: In this paper, we report an ultrathin and lightweight coating approach for enhancing the impedance bandwidth of a conventional monopole antenna by using a single-layer dispersive anisotropic impedance surface (AIS). The design is facilitated by… read more here.
Keywords: impedance surface; anisotropic impedance; monopole; impedance ... See more keywords
A Miniaturized Broadband High-Impedance Surface With Flexible Circular Polarization Sense
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2896486
Abstract: This communication presents a miniaturized ( $0.084\lambda _{0} \times 0.044\lambda _{0}$ ) dual-layered broadband polarization-dependent high-impedance surface (PDHIS). The unit-cell (UC) structure consists of periodic narrow horizontal patch arrays and vertical meander lines on the… read more here.
Keywords: tex math; circular polarization; high impedance; inline formula ... See more keywords
Adaptive High-Impedance Surface for Prevention of Waveguide’s High-Intensity Wave
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2021.3070052
Abstract: This article presents an adaptive high-impedance surface (A-HIS) that can be applied in the prevention of high-intensity wave propagating in $X$ -band waveguide. Once the embedded diodes loaded on A-HIS are switched from OFF- to… read more here.
Keywords: adaptive high; intensity; high impedance; high intensity ... See more keywords
Tomographic Characterization of a Multifunctional Composite High-Impedance Surface
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2018.2818154
Abstract: The performance of a multifunctional composite high-impedance surface (HIS) has been evaluated using the coherent Doppler tomography (CDT) and finite-impulse response (FIR) filtering techniques. A combination of embroidery and advanced laser manufacturing processes were used… read more here.
Keywords: impedance surface; composite high; high impedance; multifunctional composite ... See more keywords
Minimized Low-Profile Wideband Antennas Using High Impedance Surface
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Antennas and Propagation"
DOI: 10.1155/2017/2563927
Abstract: This paper proposes minimized low-profile wideband antenna by employing high impedance surface (HIS), for wireless application scenarios at radio frequency, microwave, and even terahertz. To validate this concept with low cost and easy measurement, two… read more here.
Keywords: impedance surface; low profile; minimized low; high impedance ... See more keywords
Acoustics in a Two-Deck Viscothermal Boundary Layer over an Impedance Surface
Sign Up to like & getrecommendations! Published in 2017 at "AIAA Journal"
DOI: 10.2514/1.j055598
Abstract: The acoustics of a mean flow boundary layer over an impedance surface or acoustic lining is considered. By considering a thick mean flow boundary layer (possibly due to turbulence), the boundary-layer structure is separated asymptotically… read more here.
Keywords: acoustics; impedance surface; layer impedance; layer ... See more keywords