Ontology algorithm using singular value decomposition and applied in multidisciplinary

W Gao, Y Guo, K Wang - Cluster Computing, 2016 - Springer
As a popular data management and computation tool, ontology is widely used in material
science, biological genetics, chemistry, biology and pharmaceuticals. It can be regarded as …

Multibeam antennas for global satellite coverage: Theory and design

TN Kaifas, DG Babas, G Toso… - … Microwaves, Antennas & …, 2016 - Wiley Online Library
Today there is an increasing request for high‐throughput communication payloads in
satellite communications. Capacity in the order of 100 Gbit/s is becoming available and …

Low SLL Control of Two-Way Pattern in Shared Circular Planar Radar Arrays

TNF Kaifas, JN Sahalos - IEEE Transactions on Antennas and …, 2024 - ieeexplore.ieee.org
Low sidelobe level control of the two-way pattern of shared circular planar radar arrays is
presented. The arrays are coming from a sampling of properly designed circular apertures …

DRA Overlapping Function Hardware Implementation Via Waveguide Beamformer

TNF Kaifas, D Babas, G Kyriacou… - … on Electronics & …, 2024 - ieeexplore.ieee.org
In the work at hand we present the design procedure of a waveguide beamformer network
that implements the Direct Radiating Arrays' Overlapping Function. Such a design is …

[HTML][HTML] Deterministic Design Procedures on Limited Field-of-View Planar Arrays for Satellite Communications Employing Aperture Scaling

TNF Kaifas - Engineering Proceedings, 2024 - mdpi.com
The antenna field of view, the angle range that can be accessed by scanning the main beam
of a phased array, is one of the key performance prescriptions especially for space-borne …

[HTML][HTML] Performance Aspects of Retrodirective RFID Tags

TNF Kaifas - Engineering Proceedings, 2024 - mdpi.com
Although RFID (radio frequency identification) tags do not require a direct line of sight, their
operational range is often characterized as being limited. Indeed, in the case of passive …

A skeletonization-scheme-based method for transforming continuous apertures with multiple patterns to antenna arrays

H Zhao, X Li, Z Chen, J Hu - IEEE Transactions on Antennas …, 2019 - ieeexplore.ieee.org
An array can be synthesized by first optimizing a relevant continuous aperture (CA) and then
transforming it to the array; this article presents a skeletonization-scheme-based method for …

Fast Arrays Synthesis Algorithem by the Matrix Method with Embedded Patterns of Standard Cell

L Xu, Y Yang, R Li, XW Shi - Progress In Electromagnetics Research C, 2019 - jpier.org
In this paper, a standard cell radiation pattern is selected to accelerate the synthesis of a
large-scale arrays pattern. The radiation patterns distortion of each cell in array is …

A combined deterministic and stochastic approach for the design of non-uniform arrays

TN Kaifas, DG Babas… - 2013 7th European …, 2013 - ieeexplore.ieee.org
A procedure of non-uniformly spaced array design is presented. The resulting layouts fulfill
demanding beamforming problems with aperture and element size limitations. Our approach …

Design of overlapped sub-arrays for planar sparse direct radiating arrays

TN Kaifas, DG Babas… - 2017 11th European …, 2017 - ieeexplore.ieee.org
In the current work we focus on sparse array design employing overlapping radiating
elements. In this case, the underlying sparse grid shapes the broadside directivity far-field …