Efficient computation of Sommerfeld integral tails–methods and algorithms
KA Michalski, JR Mosig - Journal of Electromagnetic Waves and …, 2016 - Taylor & Francis
A review is presented of the most effective methods for the computation of Sommerfeld
integral tails. Such integrals, which are often oscillatory, singular and divergent, commonly …
integral tails. Such integrals, which are often oscillatory, singular and divergent, commonly …
Metasurface transformation for surface wave control
Metasurfaces (MTSs) constitute a class of thin metamaterials used for controlling plane
waves and surface waves (SWs). At microwave frequencies, they are constituted by a …
waves and surface waves (SWs). At microwave frequencies, they are constituted by a …
Closed-form Green's functions in planar layered media for all ranges and materials
A Alparslan, MI Aksun… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
An important extension of the two-level discrete complex image method is proposed to
eliminate any concerns on and shortcomings of the approximations of the spatial-domain …
eliminate any concerns on and shortcomings of the approximations of the spatial-domain …
Gaussian ring basis functions for the analysis of modulated metasurface antennas
D Gonzalez-Ovejero, S Maci - IEEE Transactions on Antennas …, 2015 - ieeexplore.ieee.org
This paper presents a novel type of basis functions, whose spectral-and space-domain
properties can be exploited for the efficient method of moments (MoM) analysis of planar …
properties can be exploited for the efficient method of moments (MoM) analysis of planar …
Sommerfeld integrals and their relation to the development of planar microwave devices
JR Mosig, KA Michalski - IEEE Journal of Microwaves, 2021 - ieeexplore.ieee.org
This paper deals with the mathematical expressions called Sommerfeld integrals. Introduced
by A. Sommerfeld in 1909, they are mathematically equivalent to inverse Hankel transforms …
by A. Sommerfeld in 1909, they are mathematically equivalent to inverse Hankel transforms …
The weighted averages algorithm revisited
J Mosig - IEEE Transactions on Antennas and Propagation, 2012 - ieeexplore.ieee.org
The classic weighted averages (WA) algorithm for the evaluation of Sommerfeld-like
integrals is reviewed and reappraised. As a result, a new version of the WA algorithm, called …
integrals is reviewed and reappraised. As a result, a new version of the WA algorithm, called …
Efficient algorithms for computing Sommerfeld integral tails
R Golubovic, AG Polimeridis… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Sommerfeld-integrals (SIs) are ubiquitous in the analysis of problems involving antennas
and scatterers embedded in planar multilayered media. It is well known that the oscillating …
and scatterers embedded in planar multilayered media. It is well known that the oscillating …
Application of total least squares to the derivation of closed-form Green's functions for planar layered media
A new technique is presented for the numerical derivation of closed-form expressions of
spatial-domain Green's functions for multilayered media. In the new technique, the spectral …
spatial-domain Green's functions for multilayered media. In the new technique, the spectral …
Transient behavior of wind towers grounding systems under lightning strikes
Wind turbines, because of their height and localization, are frequently subject to direct
lightning strikes. Thus, the investigation on the performance of their grounding system is of …
lightning strikes. Thus, the investigation on the performance of their grounding system is of …
On the transient analysis of towers: A revised theory based on Sommerfeld-Goubau wave
E Stracqualursi, R Araneo, JB Faria… - … on Power Delivery, 2022 - ieeexplore.ieee.org
Accurate tower models for fast transients are essential for the insulation design of overhead
lines, since lightning may produce temporary or even permanent faults. The aim of the work …
lines, since lightning may produce temporary or even permanent faults. The aim of the work …