Results 51 to 60 of about 144,974 (202)

Analysis and implementation of 3D bandpass frequency selective structure with high frequency selectivity

Electronics Letters, 2017
A novel 3D frequency selective structure (FSS), exhibiting bandpass filtering response with high frequency selectivity, is presented. In each unit cell, multiple resonators are constructed to provide multiple transmission zeros/poles.
Keya Tao, Bo Li, Yiming Tang, Ming Zhang, Yaming Bo   +4 more
doaj   +1 more source

S-matrix theory for transmission through billiards in tight-binding approach

, 2003
In the tight-binding approximation we consider multi-channel transmission through a billiard coupled to leads. Following Dittes we derive the coupling matrix, the scattering matrix and the effective Hamiltonian, but take into account the energy ...
?eba P, Albeveiro S, Almas F Sadreev, Ando T, Bialynicki-Birula I, Doron E, Feshbach H, Feshbach H, Fyodorov Y V, Ingrid Rotter, Magunov A I, Mahaux C, Pichugin K, Ricco B, Rotter I, Rotter I, Sadreev A F, Stöckmann H J, Stöckmann H J, Terraneo M   +19 more
core   +1 more source

Parametric macromodeling of lossy and dispersive multiconductor transmission lines [PDF]

, 2010
We propose an innovative parametric macromodeling technique for lossy and dispersive multiconductor transmission lines (MTLs) that can be used for interconnect modeling.
Antonini, G., Dhaene, Tom, Ferranti, Francesco, Knockaert, Luc   +3 more
core   +1 more source

Mode-matching without root-finding: Application to a dissipative silencer [PDF]

, 2006
This article presents an analytic mode-matching approach suitable for modelling the propagation of sound in a two-dimensional, three-part, ducting system.
Jane B. Lawrie, Mechel F. P., Ray Kirby
core   +2 more sources

On the Expediency of Laying Cable Power Lines with a Voltage of 6–35 kV Outside Settlements Instead of Overhead Power Lines

Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2022
. It is noted that at present, 10 and 35 kV overhead power transmission lines are being laid outside the settlements of the Republic of Belarus on reinforced concrete vibrated (10 kV) and centrifuged (35 kV) poles that are characterized by low ...
M. A. Korotkevich, S. I. Podgaisky
doaj   +1 more source

Collapse prevention of pre-stressed electric transmission poles using glass fiber reinforced polymers

Case Studies in Construction Materials
Natural hazards such as strong winds, typhoons, and earthquakes have caused massive economic losses in the form of damage to residential and life-line structures. Electric transmission infrastructures are life-line structures susceptible to severe damage
Rattapoohm Parichatprecha, Kittipoom Rodsin, Songsak Suthasupradit, Tahir Mehmood, Adnan Nawaz   +4 more
doaj   +1 more source

Application of Catenary Equation in Calculation of Transmission Line Parameters

Zhejiang dianli, 2022
In order to obtain line parameters instantaneously， efficiently and accurately during overhead transmission line patrol， line trajectories are fitted by catenary equation and UAV.
WU Chunhui, ZHU Yizhen, WANG Xiao
doaj   +1 more source

Quality Characteristics of Concrete Poles Manufactured in the Ibadan Metropolis, Southwest Nigeria [PDF]

, 2012
In Nigeria, power is transmitted by overhead transmission lines fixed on wooden or concrete poles. Often times these poles collapse under excessive loads occasioned by storm and accidents.
Fashola, A.A., Oyawale, Fetus A
core  

Symmetries for exact solutions to the nonlinear Schr\"odinger equation

, 2009
A certain symmetry is exploited in expressing exact solutions to the focusing nonlinear Schr\"odinger equation in terms of a triplet of constant matrices.
Aktosun, Tuncay, Busse, Theresa, Demontis, Francesco, van der Mee, Cornelis   +3 more
core   +2 more sources

Fano resonances and decoherence in transport through quantum dots [PDF]

, 2004
A tunable microwave scattering device is presented which allows the controlled variation of Fano line shape parameters in transmission through quantum billiards.
Adair, Beutler, Burgdörfer, Cerdeira, Clerk, Fano, Fano, Feist, Florian Libisch, Göres, Hans-Jürgen Stöckmann, Heiss, Heiss, Jackson, Joachim Burgdörfer, Kim, Kim, Kobayashi, Kobayashi, Ladrón de Guevara, Lee, Levstein, Madhavan, Magunov, Nöckel, Okołowicz, Persson, Porod, Richter, Rotter, Rotter, Rotter, Shao, Simpson, Song, Stefan Rotter, Stöckmann, Ulrich Kuhl, von Neumann, Wirtz   +39 more
core   +1 more source