Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Cismasu, Marius"'
Stored energy and Q-factors are used to quantify the performance of small antennas. Accurate and efficient evaluation of the stored energy is also essential for current optimization and the associated physical bounds. Here, it is shown that the frequ
Externí odkaz:
http://arxiv.org/abs/1408.6834
Publikováno v:
Technical Report LUTEDX/(TEAT-7241)/1-62/(2015); (2015)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::69aa817cbdc78a989616ec9cecd8333f
http://lup.lub.lu.se/record/8412159/file/8412166.pdf
http://lup.lub.lu.se/record/8412159/file/8412166.pdf
Publikováno v:
Technical Report LUTEDX/(TEAT-7240)/1-38/(2015); (2015)
Design of small antennas is challenging because fundamental physics limits the performance. Physical bounds provide basic restrictions on the antenna performance solely expressed in the available antenna design space. These limits offer antenna desig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::121b97341bc17858d397cb891e0ef2ab
http://lup.lub.lu.se/record/8411085/file/8411086.pdf
http://lup.lub.lu.se/record/8411085/file/8411086.pdf
Autor:
Cismasu, Marius, Gustafsson, Mats
Publikováno v:
Technical Report LUTEDX/(TEAT-7230)/1-9/(2014); (2014)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::66fb78a64263fd56186360d6d698d791
https://lup.lub.lu.se/record/4317393
https://lup.lub.lu.se/record/4317393
Publikováno v:
Technical Report LUTEDX/(TEAT-7231)/1-18/(2014); (2014)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::44e5c380b7c8384ec6e243a0872518fe
https://lup.lub.lu.se/record/4612444
https://lup.lub.lu.se/record/4612444
Autor:
Cismasu, Marius
A method to estimate Q and QZ' of antennas from single-frequency current distributions is described. This single-frequency method and the concepts of physical bounds on antenna parameters and optimum current distributions are applied to different ana
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6cbed8faafb7ab9712a6a3e06fe694ad
http://lup.lub.lu.se/record/4690645
http://lup.lub.lu.se/record/4690645
Autor:
Cismasu, Marius, Gustafsson, Mats
Publikováno v:
Technical Report LUTEDX/(TEAT-7227)/1-19/(2013); (2013)
A method to compute antenna Q using an electromagnetic simulation at a single frequency is described. This method can easily be integrated into global optimization algorithms. In this way the optimization time of some antenna parameters, e.g., bandwi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3314a70e0d99b0e7e3a96dc6ef7b3ec1
http://lup.lub.lu.se/record/4004262/file/4004265.pdf
http://lup.lub.lu.se/record/4004262/file/4004265.pdf
Publikováno v:
Technical Report LUTEDX/(TEAT-7210)/1-22/(2011); (2011)
Physical bounds on the directivity Q-factor quotient and optimal current distributions are determined for antennas of arbitrary shape and size using an optimization formulation. A variational approach offers closed form solutions for small antennas e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::26b8130d7c9043852ca0f94c5863acb7
https://lup.lub.lu.se/record/2004199
https://lup.lub.lu.se/record/2004199
Publikováno v:
Technical Report LUTEDX/(TEAT-7200)/1-20/(2010); (2010)
The all spectrum absorption efficiency appears in the physical bounds on antennas expressed in the polarizability dyadics. Here, it is shown that this generalized absorption efficiency is close to $1/2$ for small idealized dipole antennas and for ant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6eacfe8153e9533867bf04f07827fdfb
https://lup.lub.lu.se/record/1650998
https://lup.lub.lu.se/record/1650998