Synthesis of flat‐top beampatterns based on simple polynomial transforms of Gaussian excitations

G Molnar, D Ljubenko, M Šakić - IET Microwaves, Antennas & …, 2023 - Wiley Online Library
In the design of antenna arrays which require fast and robust flat‐top beam synthesis,
computationally efficient methods are preferred. This feature is usually met by analytical …

Sparse optimal design of an ultrasonic sensor array for fast TFM based on a discrete slime mold algorithm

W Zhu, Z Wei, Y Xiang, X Chai, S Liu, G Fan… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
The total focusing method (TFM) is an ultrasonic phased array imaging algorithm used in
ultrasonic nondestructive testing (NDT) that processes large amounts of data from full matrix …

An optimal linear and elliptical antenna array design using black widow optimisation for 5G communication

R Saha, A Das, D Mandal, R Kar - International Journal of …, 2023 - Wiley Online Library
This research illustrates a precise linear and elliptical antenna array design for synthesising
the optimal far‐field radiation pattern in the fifth‐generation (5G) communication spectrum …

Flat-top Gaussian arrays with dynamic range ratio control

G Molnar, D Ljubenko, M Sakic - 2022 16th European …, 2022 - ieeexplore.ieee.org
The design of antenna arrays forming flat-top beampatterns prefers robust and
computationally efficient methods. These features are usually met by analytical techniques …

Gradient-based optimization method for interference suppression of linear arrays by the amplitude-only and phase-only control

R Gao, Y Tang, Q Wang, S Liu - International Journal of Microwave …, 2022 - cambridge.org
This paper presents a gradient-based optimization method for interference suppression of
linear arrays by controlling the electrical parameters of each array element, including the …

Pencil to flat-top beampattern transform and its application in Gaussian array design

G Molnar, D Ljubenko - 2021 IEEE International Symposium on …, 2021 - ieeexplore.ieee.org
The paper presents an analytical transform of a pencil to the flat-top beampattern. The
transform imposes maximal flatness at the beam peak by modifying the original excitation …

Generation of cosecant squared pattern from linear array of active and parasitic dipole antennas

H Patidar, R Kar - Electromagnetics, 2022 - Taylor & Francis
This work uses the active and parasitic components in a linear antenna array composed of
parallel dipoles to synthesize a cosecant squared pattern using the Quantum Particle Swarm …

Design of a Compact Log Periodic Dipole Array Antenna for Broadband and High-Power Beam Synthesis Using Superposition

C Im, S Youn, TH Lim, H Choo - Journal of Electromagnetic Engineering and …, 2024 - jees.kr
This paper investigates various array beam shapes for high-power electronic warfare
applications using an actual broadband array antenna. For use in a limited mounting space …

Employment of bio-inspired algorithms in the field of antenna array optimization: A review

K Kundu, NN Pathak - Comprehensive Metaheuristics, 2023 - Elsevier
In this chapter, we review bio-inspired algorithms and their applications in antenna array
synthesis problems. We discuss and analyze Flower Pollination Algorithm (FPA), Cat Swarm …

Discrete Slime Mold Algorithm used for Sparse TFM of Ultrasonic Array

W Zhu, S Liu, Y Xiang, G Fan, H Zhang, W Qi… - Available at SSRN … - papers.ssrn.com
Large amounts of data must be acquired and processed for full matrix capture and total
focus imaging (FMC-TFM), so its real-time performance cannot meet needs of the rapid and …