Results 41 to 50 of about 9,058 (257)
A Ku-Band Foldable Reflectarray Based on a Maltese-Cross Microstrip Element
Известия высших учебных заведений России: Радиоэлектроника, 2021 Introduction. Reflectarrays have a number of design and functional advantages over their closest analogue - reflector antennas (RA). Although microstrip elements are the most preferred reflectarray elements, single-layer microstrip elements do not allow ...
S. V. Polenga +5 more
doaj +1 more source
W-Band Single-Layer Broadband Reflectarray Antenna
IEEE Access, 2023 In this paper, a W-band single-layer reflectarray antenna is proposed with the advantages of broadband and high aperture efficiency. A novel dual rotation-symmetry windmill element is designed in the W-band, which consists two layers of copper patches ...
Zhicheng Wang +6 more
semanticscholar +1 more source
Integrated MEMS reflectarray elements
, 2006 Reflectarrays have attracted substantial interest in recent years as low-profile replacements for reflector antennas, particularly in space applications.
M. Okoniewski, Sean V. Hum, G. Mcfeetors
core +1 more source
Multi-Beam Circular Polarized Reflectarray on Parabolic Reflector by Variable Rotation Technique
Applied Sciences, 2019 Multi-beams antennas are currently being used for direct broadcast satellite, personal communication satellite, military communication satellite, and high-speed internet applications.
Álvaro Somolinos +3 more
doaj +1 more source
International Journal of Antennas and Propagation, 2023 In this article, a single-layer circularly polarized reflectarray antenna (RA) with a linearly polarized feed is proposed for microwave power transmission.
Huaiqing Zhang +5 more
doaj +1 more source
IEEE Transactions on Antennas and PropagationThis article introduces a low-cost, easy-to-manufacture, dual polarization reconfigurable reflectarray antenna based on liquid crystal (LC) that operates at W-band.
Robert Guirado +4 more
semanticscholar +1 more source
Orbital Angular Momentum (OAM) Antennas via Mode Combining and Canceling in Near-field
Scientific Reports, 2017 Orbital angular momentum (OAM) mode combining and canceling in the near-field was investigated using a Cassegrain dual-reflectarray antenna composed of multiple microstrip patches on the main and sub-reflectarrays.
Woo Jin Byun +2 more
doaj +1 more source
Recent Advances in Programmable Metasurfaces and Meta‐Devices
Advanced Electronic Materials, EarlyView.Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao +4 more
wiley +1 more source
A Novel Reflectarray Antenna with Reduced RCS
, 2018 A novel frequency selective surface (FSS) configuration in the reflectarray antenna is proposed for reduction of radar cross section (RCS) level in this work. Double-layer FSS structure is located behind the reflectarray antenna as a ground.
Hande BODUR +7 more
core +1 more source
Advanced Functional Materials, Volume 36, Issue 75, 17 September 2026.A CMOS‐compatible, all‐dielectric Silicon‐on‐Glass reflective metasurface enables low–loss terahertz wavefront control for future 6G wireless communication. Mie‐resonant silicon pillars provide full phase coverage near 500 GHz, achieving experimentally validated single‐, dual‐, and five‐beam steering with sub‐1.5° angular error and less than 3 dB ...
Rithwik Premanand +6 more
wiley +1 more source