Results 31 to 40 of about 302,217 (218)
Radiation Analysis and Characteristics of Conformal Reflectarray Antennas
International Journal of Antennas and Propagation, 2012 This paper investigates the feasibility of designing reflectarray antennas on conformal surfaces. A generalized analysis approach is presented that can be applied to compute the radiation performance of conformal reflectarray antennas.
Payam Nayeri +2 more
doaj +1 more source
Shaped-Pattern Reflectarray Antennas for mm-Wave Networks Using a Simple Cell Topology
IEEE Access, 2022 In this paper, it is proposed the use of ultra-thin reflectarrays in some emerging scenarios in the new mm-wave cellular networks such as 5G, Beyond-5G (B5G), and future 6G.
Borja Imaz-Lueje +4 more
doaj +1 more source
Electronics Letters, 1998 A novel folded reflectarray antenna is presented. This antenna combines a twist and focusing reflector concept in a single printed structure. Together with a printed grid, a low profile and high gain antenna results. A test antenna in the 20 GHz range was designed, fabricated and tested.
D. Pilz, W. Menzel
openaire +1 more source
Preliminary Assessment of a Reflectarray Antenna for High-Resolution Radiometers on board Satellites
, 2023 A reflectarray antenna has been proposed for the next generation of high-resolution radiometers on board satellites monitoring climate change. The reflectarray operates at 36, 50 and 54 GHz for fine-grain water content determination in coastal and ...
Martínez de Rioja, Daniel +1 more
core +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
doaj +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
Design of a Flat-Panel Metasurface Reflectarray C-Band Antenna
, 2022 This paper presents the design of a flat-panel metasurface reflectarray antenna fed by a circular horn antenna for satellite applications. A metasurface-based reflectarray antenna is similar to a flat-panel reflector and is characterized by a reflection ...
Chul-Min Lim +5 more
core +1 more source
Modern Reflectarray Antennas: A Review of the Design, State-of-the-Art, and Research Challenges
IEEE AccessAs communication technology advances, high-gain antennas are being investigated for a variety of long-distance applications. One such high gain antenna is reflectarray, it has combined advantageous characteristics of a reflector and phased array antennas.
J. Annal Joy +5 more
doaj +1 more source
Design and Fabrication of a dual-polar reflector array antenna for satellite applications [PDF]
فصلنامه علوم و فناوری فضایی, 2020 This paper presents a new unit to design dual linearly polarized reflectarray antenna at ku for satellite telecommunication. Two orthogonal sets of parallel dipoles are used for each polarization to achieve more degree of freedom in the design and wider ...
Alireza HeshmatiMoez +3 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