Results 1 to 10 of about 68,532 (204)
IEEE Open Journal of Antennas and Propagation, 2021 A compact pattern reconfigurable antenna with four radiation patterns is proposed for sub-GHz IoT applications. The antenna has two functional modes; Mode I has three uncorrelated patterns, while Mode II has electric and magnetic omnidirectional patterns.
Saeed A. Haydhah +4 more
doaj +3 more sources
OPERATION MODES AND CHARACTERISTICS OF PLASMA DIPOLE ANTENNA [PDF]
Acta Polytechnica, 2015 Existence modes of surface electromagnetic wave on a plasma cylinder, operating modes and characteristics of the plasma antenna were studied in this paper.
Nikolay Nikolaevich Bogachev +3 more
doaj +2 more sources
Adjusting Radiation Pattern of Small Antennas [PDF]
2020 International Workshop on Antenna Technology (iWAT), 2020 The antenna clusters have been used to control the impedance properties of the antenna, but they have potential also in radiation pattern reconfigurability. We demonstrate the benefits of multi-feed antennas using a mobile antenna as an example.
Luomaniemi, Rasmus +3 more
openaire +3 more sources
Patterns of the radiation properties for Peano antennas
Scientific Reports, 2023 AbstractThis paper studies metallic microstrip antennas with air as a substrate in the UHF band, patterned after space-filling, self-avoiding, and self-similar (FASS) Peano curves. Our novel study is based on context-free grammar and genetic programming as computing tools to unravel the role of geometry on both; the Voltage Standing Wave Ratio (VSWR ...
René Pérez-Moroyoqui +2 more
openaire +3 more sources
Micromachines, 2022 In this manuscript, we proposed the split ring resonator loaded multiple-input multiple-output (MIMO) antenna design for the frequency range of 1 and 25 GHz. The proposed antenna is numerically investigated and fabricated to analyze the different antenna
Ammar Armghan +5 more
doaj +1 more source
IET Microwaves, Antennas & Propagation, 2022 With the increasing complexity of the application environment of antenna arrays and the increasing requirements for antenna array radiation patterns, efficient optimisation methods of antenna array radiation pattern synthesis have always been the ...
Shiyuan Zhang +3 more
doaj +1 more source
A Deep Learning-Based Approach for Radiation Pattern Synthesis of an Array Antenna
IEEE Access, 2020 In this article, we propose a deep neural network (DNN)for the radiation pattern synthesis of an antenna. The DNN utilizes the radiation patterns as inputs and the amplitude and phase of the antenna elements as outputs.
Jae Hee Kim, Sang Won Choi
doaj +1 more source
International Journal of Antennas and Propagation, 2023 This paper proposes a high-efficient method that utilizes deep learning technology for synthesizing multiple antenna array radiation patterns simultaneously.
Shiyuan Zhang, Chuan Shi, Ming Bai
doaj +1 more source
Electronics Letters, 2023 In this letter, an analytical method for the beampattern synthesis of symmetric nonuniform array is proposed. This method consists of two steps. In the first step, it acquires a real symmetric excitation by the convex optimization method to attain a ...
Fei Shi, Mengkai Hu, Xiuquan Dou
doaj +1 more source
IET Microwaves, Antennas & Propagation, 2023 The advancement of communication and radar systems has triggered the demand for in‐band full‐duplex (IBFD) operation. IBFD is regarded as one of the most outstanding technologies in terms of its ability to improve spectral efficiency and data rate.
Merve Tascioglu Yalcinkaya +2 more
doaj +1 more source