Zobrazeno 1 - 10
of 22
pro vyhledávání: '"S J Boyes"'
Publikováno v:
New Journal of Physics, Vol 24, Iss 11, p 113035 (2022)
The ability to design passive structures that perform different operations on different electromagnetic fields is key to many technologies, from beam-steering to optical computing. While many techniques have been developed to optimise structures to a
Externí odkaz:
https://doaj.org/article/c59aefdada484821af3eb39b3a26acd7
Publikováno v:
2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS).
We derive a simple and efficient method for designing wave-shaping materials composed of dipole scatterers, taking into account multiple scattering effects and both magnetic and electric polarizabilities. As an application of our theory, we design a-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::050f26e444a7ac8965d47b40348b3e1d
https://doi.org/10.23919/ursigass51995.2021.9560484
https://doi.org/10.23919/ursigass51995.2021.9560484
Publikováno v:
Communications Physics, Vol 4, Iss 1, Pp 1-10 (2021)
We propose a numerically efficient `adjoint' inverse design method to optimize a planar structure of dipole scatterers, to manipulate the radiation from an electric dipole emitter. Several examples are presented: modification of the near-field to pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25da6449ba9fc2c1b85773713d71eb1b
http://arxiv.org/abs/2011.13274
http://arxiv.org/abs/2011.13274
Publikováno v:
International Journal of Antennas and Propagation, Vol 2012 (2012)
A novel ultrawide band planar inverted-F antenna with band-notched characteristics is presented in this paper. The planar inverted-F antenna uses two parasitic elements to enhance the bandwidth to cover the ultrawide band. The band-notched feature is
Externí odkaz:
https://doaj.org/article/47a9b52e99734c99bc435676a3bd722e
Publikováno v:
IEEE Transactions on Antennas and Propagation. 60:1532-1539
This work presents a novel dual-feed planar inverted-F antenna (PIFA) suitable for wireless applications such as wireless local area network (WLAN) and long term evolution (LTE) as a diversity and multiple-input multiple-output (MIMO) antenna. Instea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ec5d85aac8e177e913a617ee73f838a
https://doi.org/10.1109/tap.2011.2180308
https://doi.org/10.1109/tap.2011.2180308
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 11:1418-1421
This letter derives a simple and direct way of de-embedding external power dividers used in a passive all-excited measurement of multiport antenna arrays in a reverberation chamber. A new equation is developed that allows for the de-embedding of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bec8afddef4c22a8dea15eede692b8f8
https://doi.org/10.1109/lawp.2012.2229098
https://doi.org/10.1109/lawp.2012.2229098
Publikováno v:
International Journal of Thermophysics. 18:579-634
The virial equation of state was determined for helium, xenon, and helium-xenon mixtures for the pressure and temperature ranges 0.5 to 5 MPa and 210 to 400 K. Two independent experimental techniques were employed: BurnettPρT measurements and speed-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c96dc0b7f2f94a992ca913e4776cf14
https://doi.org/10.1007/bf02575125
https://doi.org/10.1007/bf02575125
Measurement and Performance of Textile Antenna Efficiency on a Human Body in a Reverberation Chamber
With the advent of on-body communication research in recent years, there is a growing need for antenna developments that satisfy a wide criteria (one being minimal efficiency degradation) in order to be integrated successfully onto human subjects; on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87702bb72afb597de3d8ed96b5e7f7a5
https://lirias.kuleuven.be/handle/123456789/374642
https://lirias.kuleuven.be/handle/123456789/374642
Publikováno v:
IEEE Transactions on Antennas and Propagation. 64:2585-2585
Presents a reply to comments made on the paper, "Theoretical modeling of a photoconductive antenna in a Terahertz Pulsed System" (Prajapti, J., et al), IEEE Trans. Antennas Propag., vol. 64, no. 6, pp. 2583–2584, 2016.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89c44b7ba901c6a07796ff3301635ef1
https://doi.org/10.1109/tap.2016.2546946
https://doi.org/10.1109/tap.2016.2546946
Publikováno v:
2012 Loughborough Antennas & Propagation Conference (LAPC).
For the validation of body worn antennas, the human body should be taken into account as the performance of such antennas is likely to differ from their free space equivalents. How best to determine the human body effects on antenna performance is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11bed57b61111c4cb596dedb69dc6450
https://doi.org/10.1109/lapc.2012.6403065
https://doi.org/10.1109/lapc.2012.6403065