Zobrazeno 1 - 10
of 194
pro vyhledávání: '"Ruediger Vahldieck"'
Autor:
Arya Fallahi, Alireza Yahaghia, Bogdan Cranganu-Cretu, Ruediger Vahldieck, Jasmin Smajic, Christian Hafner
Publikováno v:
International Journal of Applied Electromagnetics and Mechanics. 34:141-154
Different optimization algorithms are applied to determine the best configuration of a shielding device for eddy currents. The algorithms include seven stochastic binary optimizers, which are based on the concept of genetic algorithms and evolutionar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1571322fbc038734a9593d8ee964c02
https://doi.org/10.3233/jae-2010-1307
https://doi.org/10.3233/jae-2010-1307
Autor:
A. Yahaghi, Mahmoud Shahabadi, Ruediger Vahldieck, Arya Fallahi, Habibollah Abiri, Christian Hafner
Publikováno v:
IEEE Transactions on Antennas and Propagation. 58:876-886
The paper presents an efficient procedure to utilize the existing method of moments/boundary integral-resonant mode expansion approach for the analysis of frequency selective surfaces printed on periodic and inhomogeneous substrates. The Green's func
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::619454e53b803b115697bde344ff10c2
https://doi.org/10.1109/tap.2009.2039327
https://doi.org/10.1109/tap.2009.2039327
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 9:103-106
Different configurations of bridge-shaped dielectric resonator antennas (b-DRAs) made of high-permittivity materials are presented in this letter. These DRA geometries can be seen as an evolution of the notched rectangular DRAs introduced by other au
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbefee5d1d86c23adaf58b360efbf401
https://doi.org/10.1109/lawp.2010.2041177
https://doi.org/10.1109/lawp.2010.2041177
Publikováno v:
Metamaterials. 3:63-74
A full-vector semi-analytical method is presented for the analysis of a frequency selective surface consisting of patches printed on substrates having periodic inhomogeneity and both electric and magnetic anisotropy. Based on a multiconductor transmi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b884dccd7030ead3f90b853dc943a898
https://doi.org/10.1016/j.metmat.2009.04.001
https://doi.org/10.1016/j.metmat.2009.04.001
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 57:1996-2004
The propagation properties of the half-mode substrate integrated waveguide (HMSIW) are studied theoretically and experimentally in this paper. Two equivalent models of the HMSIW are introduced. With the first model, equations are derived to approxima
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b70ea377c8773e2407dc4dd8b51fd2b1
https://doi.org/10.1109/tmtt.2009.2025429
https://doi.org/10.1109/tmtt.2009.2025429
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 57:869-880
A new overdetermined vector network analyzer (VNA) calibration algorithm is presented. The new algorithm shows significant advantages in the measurement of very high-impedance devices such as carbon nanotube transistors and can be applied to all type
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad83ec3c9fd7cfc567f4a8b7edeb9fad
https://doi.org/10.1109/tmtt.2009.2015096
https://doi.org/10.1109/tmtt.2009.2015096
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 8:279-282
An inverted truncated annular conical dielectric resonator antenna (DRA) for potential use in body-area network (BAN) applications is introduced. The antenna is designed to operate within the lower European ultrawideband (UWB) frequency band (3.4-5.0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80ef40c7d5a86bc7534ba17d0e9b4b67
https://doi.org/10.1109/lawp.2008.2005213
https://doi.org/10.1109/lawp.2008.2005213
Publikováno v:
IEEE Transactions on Antennas and Propagation. 56:3589-3592
The radiation efficiency of a dielectric resonator antenna (DRA) and a microstrip antenna (MSA) at Ka band is investigated numerically and experimentally. For direct comparison, one cylindrical DRA and one circular disk MSA were designed with similar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81a9b96603289725cd87dde377f324cf
https://doi.org/10.1109/tap.2008.2005551
https://doi.org/10.1109/tap.2008.2005551
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 56:2277-2285
A novel integral-equation equivalent-circuit method is proposed for the efficient electrical simulation of the power distribution network in the electronic package and printed circuit board. The total electromagnetic field inside the power distributi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4650983c888aebefc82423f1fdcc16f3
https://doi.org/10.1109/tmtt.2008.2004257
https://doi.org/10.1109/tmtt.2008.2004257
Publikováno v:
IEEE Transactions on Antennas and Propagation. 56:2810-2816
The operational concepts of the trapezoidal dielectric resonator antennas (DRAs) are presented and their performance is studied theoretically and experimentally. The rectangular parallelepiped is a special case of the more general trapezoid and there
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfce66deb434ae13241962e61e9c4a84
https://doi.org/10.1109/tap.2008.928787
https://doi.org/10.1109/tap.2008.928787