Results 41 to 50 of about 4,217 (164)

Design of Broadband Aperture-Stacked Patch Microstrip Antennas Based on Third Order Filtering Equivalent Circuits

IEEE Open Journal of Antennas and Propagation
In this paper the authors describe the design of a broadband aperture-stacked patch (ASP) microstrip antenna based on a filtering equivalent circuit.
Ignacio M. Delgado-Lozano, Rafael R. Boix, Vicente Losada, Armando Fernandez-Prieto   +3 more
doaj   +1 more source

A broadband horizontally polarised omnidirectional antenna with stable radiation patterns

The Journal of Engineering, 2019
A broadband horizontally polarised omnidirectional antenna (HPOA) with stable radiation patterns is proposed. The antenna is composed of two orthogonal broadband HPOA units fed by a wideband power divider.
Zhou Lei, Cui Mantang, Lu Yangyi
doaj   +1 more source

A New Antenna Capable of Generating Broadband Plane Spiral Orbital Angular Momentum

IEEE Access
The plane spiral orbital angular momentum (PS-OAM), which is a special form of orbital angular momentum (OAM) beams, solves the problem of OAM beam divergence to some extent.
Na Li, Guirong Feng, Ping Li, Xiaowei Shi   +3 more
doaj   +1 more source

A wide Bandwidth Pyramidal Horn Antenna with Enhanced Gain Using Metasurface layer

Zanco Journal of Pure and Applied Sciences, 2021
      A new design of a pyramidal horn antenna operating at 8-18 GHz based on the waveguide structure is presented in this paper. A metasurface layer, which consists of a set of periodic unit cells, is employed on the E-plane walls of the horn antenna ...
Avin Jawhar Ali, Rashad Mahmud
doaj  

Investigation into a Miniaturized Wideband Parasitic Array Antenna

Applied Sciences
Compact antennas with broad bandwidth and high gain are essential for modern communication systems, where efficient performance and miniaturization are critical.
Lauryn Paige Smith, Yen Le, Sungkyun Lim
doaj   +1 more source

The Design of Broadband Circularly Polarized Multi-beam Antenna with Linearly Polarized Feeding Source and Transmitarray Unit [PDF]

Radioengineering
Among the existing circularly polarized multi-beam transmitarray antennas, circularly or linearly-to-circularly polarized transmitarray units are always required.
Z. Guo, Y. Zhou, H. Yang, S. Li, T. Li, X. Cao   +5 more
doaj  

A Transceiver-Shared Photonic Integrated Broadband Multi-Beamformer Based on an Extended Blass Matrix

Photonics
Multi-beam phased array antennas have become essential in modern radar and communication systems, offering high gain, superior directivity, and exceptional agility.
Ruixuan Wang, Weichao Ma, Wangzhe Li
doaj   +1 more source

Design of Sievenpiper HIS for use in planar broadband antennas by means of effective medium theory [PDF]

Advances in Radio Science, 2007
The claim for multistandard operating handsets of small physical size as well as the ever increasing demand for higher data rates require new broadband operating antennas.
S.K. Hampel, O. Schmitz, O. Klemp, H. Eul   +3 more
doaj  

Overview of Vivaldi Antenna Selection for Through-Wall Radar Applications

Sensors
This paper analyzes broadband antennas, with a special focus on Vivaldi antennas, for their suitability for through-wall radar applications. It assesses various antenna designs, emphasizing high gain, wide impedance bandwidth, and effective wall ...
Mariana Amador, André Rouco, Daniel Albuquerque, Pedro Pinho   +3 more
doaj   +1 more source

Wideband 0.5–50 GHz double‐ridged guide horn antenna using coaxial‐to‐ridge waveguide launcher

IET Microwaves, Antennas & Propagation
Ever‐increasing bandwidth requirements from various industries drive the need for the ever‐increasing bandwidth of antennas used for testing.
Bennie Jacobs, Johann W. Odendaal, Johan Joubert   +2 more
doaj   +1 more source