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pro vyhledávání: '"B.T. Perry"'
Akademický článek
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Autor:
Edward J. Rothwell, B.T. Perry
Publikováno v:
IEEE Transactions on Antennas and Propagation. 57:444-451
The conditions under which the plane-wave transient field reflected from a layered medium can be represented as a natural mode series are determined. It is shown that if each of the layers has frequency constant permittivity, permeability, and conduc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::944082e83ad8421e04047d4702f74b62
https://doi.org/10.1109/tap.2008.2011241
https://doi.org/10.1109/tap.2008.2011241
Autor:
Edward J. Rothwell, B.T. Perry
Publikováno v:
IEEE Transactions on Antennas and Propagation. 55:3293-3299
The transient reflected-field response of an arbitrarily incident plane wave from planarly-layered, dispersive materials is investigated. The reflection coefficient for the layered media is first determined in the frequency domain as a ratio of funct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fddaab37b7257d517c75e2f42e89a7af
https://doi.org/10.1109/tap.2007.908793
https://doi.org/10.1109/tap.2007.908793
Publikováno v:
IEEE Antennas and Propagation Magazine. 49:117-123
A comparison is made between two systems used to measure the pulse response of layered materials. The first system was a direct time-domain system, using a pulse generator and a sampling oscilloscope. The second system was a frequency-domain system,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::503d9b24a57479a0b981df5fba6c82cb
https://doi.org/10.1109/map.2007.4395310
https://doi.org/10.1109/map.2007.4395310
Publikováno v:
Journal of Electromagnetic Waves and Applications. 18:571-589
The impulse response of a conductor-backed slab of Debye material is evaluated analytically. It is shown that the impulse response consists of a specular reflection from the interface between free-space and the Debye slab during the early-time period
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaaaecd632fe20cd774a997d06e26af6
https://doi.org/10.1163/156939304774114637
https://doi.org/10.1163/156939304774114637
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 4:68-70
This letter considers the effects of switch failures on the performance of a self-structuring antenna (SSA) using measured standing-wave ratio (SWR) as the performance criterion. Degradation of SSA performance is categorized as minimal, intermediate,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afc4b28493ff9b8479d20c9a5497f8a5
https://doi.org/10.1109/lawp.2005.844129
https://doi.org/10.1109/lawp.2005.844129
Publikováno v:
Ultra-Wideband Short-Pulse Electromagnetics 8 ISBN: 9780387730455
Scopus-Elsevier
Scopus-Elsevier
Layered material coatings are often applied to surfaces in order to reduce the scattered field strength within specific frequency bands. A full understanding of the transient behavior of the reflected field from layered materials can be used to diagn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::940033514511bc4fa7db7b6217c96328
https://doi.org/10.1007/978-0-387-73046-2_28
https://doi.org/10.1007/978-0-387-73046-2_28
Publikováno v:
2005 IEEE Antennas and Propagation Society International Symposium.
The study of the SSA has shown much promise for use in an automobile environment; however, the addition of the necessary switch technology adds a new level of complexity to existing antenna systems. Some of the benefits of the SSA can be obtained wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fa8eca7c4a0428c0d99edfa263c6d14
https://doi.org/10.1109/aps.2005.1551491
https://doi.org/10.1109/aps.2005.1551491
Publikováno v:
IEEE Antennas and Propagation Society International Symposium. 2001 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.01CH37229).
This paper investigates the use of a self-structuring antenna for television reception. Information about the received signal strength is obtained from the automatic gain control circuit of the television and used to determine the appropriate antenna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8162cc4507a68b4e57eb3222dbd2151b
https://doi.org/10.1109/aps.2001.958817
https://doi.org/10.1109/aps.2001.958817
Akademický článek
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