Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Raymond Dickie"'
Publikováno v:
2023 17th European Conference on Antennas and Propagation (EuCAP).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c3d116fd581168b166bf2ad50203d08
https://doi.org/10.23919/eucap57121.2023.10133500
https://doi.org/10.23919/eucap57121.2023.10133500
Autor:
Oleksandr Sushko, Peter G. Huggard, M. Henry, Vincent Fusco, Steven Christie, Massimo Candotti, Kai Parow-Souchon, Ville Kangas, Robert Cahill, Raymond Dickie, Clive Parini, Rostyslav Dubrovka, Robert S. Donnan, Paul Baine
Publikováno v:
Dickie, R, Christie, S, Cahill, R, Baine, P, Fusco, V, Parow-Souchon, K, Henry, M, Huggard, P G, Donnan, R S, Sushko, O, Candotti, M, Dubrovka, R, Parini, C G & Kangas, V 2017, ' Lowpass FSS for 50-230 GHz Quasi-Optical Demultiplexing for the MetOp Second Generation Microwave Sounder Instrument ', IEEE Transactions on Antennas and Propagation, vol. 65, no. 10, pp. 5312-5321 . https://doi.org/10.1109/TAP.2017.2740978
This paper reports the design, manufacture and characterisation of a new frequency selective surface (FSS) structure which meets the demanding requirements for transmission of 50.2 − 57.7 GHz radiation simultaneously for TE and TM polarizations at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ffcc6d9dd0db18e8b32dc46296436c5
https://doi.org/10.1109/tap.2017.2740978
https://doi.org/10.1109/tap.2017.2740978
Publikováno v:
Dickie, R, Cahill, R, Baine, P & Fusco, V 2018, FSS Design and Manufacturing Challenges for Future Space Science Missions . in Proceedings of the 12th European Conference on Antennas and Propagation (EuCAP) . Institute of Electrical and Electronics Engineers Inc., 12th European Conference on Antennas and Propagation, EuCAP 2018, London, United Kingdom, 09/04/2018 .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2339768cda36c2fc05fd39dd4c18e50
https://pure.qub.ac.uk/en/publications/e71cc94f-2ed7-4b78-bfaa-679bb7777892
https://pure.qub.ac.uk/en/publications/e71cc94f-2ed7-4b78-bfaa-679bb7777892
Autor:
Siti Normi Zabri, Raymond Dickie, Gareth A. Conway, Dmitry Zelenchuk, Niamh McGuigan, Robert Cahill
Publikováno v:
Zabri, S, Cahill, R, Conway, G, McGuigan, N, Zelenchuk, D & Dickie, R 2018, Manufacturable Ultra-Thin Resistive FSS for Challenging EM Mobile Environments . in Proceedings of the 12th European Conference on Antennas and Propagation (EuCAP) 9-12 April 2018 . London, 12th European Conference on Antennas and Propagation, EuCAP 2018, London, United Kingdom, 09/04/2018 .
This paper reports on recent developments in the manufacture and measured electromagnetic (EM)performance of a new class of thin microwave absorbers based on metal backed resistively loaded Frequency Selective Surfaces (FSS). Ink jet printing technol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::487bc50a45e355686da6a13b2631f3a4
https://pure.qub.ac.uk/en/publications/manufacturable-ultrathin-resistive-fss-for-challenging-em-mobile-environments(3db91079-42ca-426e-a17e-101121ca4ec8).html
https://pure.qub.ac.uk/en/publications/manufacturable-ultrathin-resistive-fss-for-challenging-em-mobile-environments(3db91079-42ca-426e-a17e-101121ca4ec8).html
Autor:
Mariano Barba, Michael Bain, Gerardo Perez-Palomino, Raymond Dickie, Jose A. Encinar, Robert Cahill, Paul Baine
Publikováno v:
IEEE Transactions on Antennas and Propagation, ISSN 0018-926X, 2015, Vol. 63, No. 8
Archivo Digital UPM
Universidad Politécnica de Madrid
Perez-Palomino, G, Barba, M, Encinar, J A, Cahill, R, Dickie, R, Baine, P & Bain, M 2015, ' Design and Demonstration of an Electronically Scanned Reflectarray Antenna at 100 GHz using Multiresonant Cells Based on Liquid Crystals ', IEEE Transactions on Antennas and Propagation, vol. 63, no. 8, pp. 3722-3727 . https://doi.org/10.1109/TAP.2015.2434421
Archivo Digital UPM
Universidad Politécnica de Madrid
Perez-Palomino, G, Barba, M, Encinar, J A, Cahill, R, Dickie, R, Baine, P & Bain, M 2015, ' Design and Demonstration of an Electronically Scanned Reflectarray Antenna at 100 GHz using Multiresonant Cells Based on Liquid Crystals ', IEEE Transactions on Antennas and Propagation, vol. 63, no. 8, pp. 3722-3727 . https://doi.org/10.1109/TAP.2015.2434421
The design, fabrication, and measured results are presented for a reconfigurable reflectarray antenna based on liquid crystals (LCs) which operates above 100 GHz. The antenna has been designed to provide beam scanning capabilities over a wide angular
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe44bda0c0736e0bbdb4a12804d78ade
https://doi.org/10.1109/tap.2015.2434421
https://doi.org/10.1109/tap.2015.2434421
Autor:
Raymond Dickie, Gerardo Perez-Palomino, Mariano Barba, Jose A. Encinar, Paul Baine, Robert Cahill
Publikováno v:
Perez-Palomino, G, Barba, M, Encinar, J, Cahill, R, Dickie, R & Baine, P 2017, Liquid Crystal Based Beam Scanning Reflectarrays and Their Potential in SATCOM Antennas . in Proceedings of EuCAP 2017 . Institute of Electrical and Electronics Engineers Inc., pp. 3428-3431, 11th European Conference on Antennas and Propagation, Paris, France, 19/03/2017 .
This paper presents recent developments in Liquid Crystal-based reflectarray antennas for mm-wave applications, future perspectives for this technology and its particular use in SATCOM applications.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0827c3e4965534a606f7914dcc0b5ae7
https://pure.qub.ac.uk/en/publications/76f3ecc5-a1c2-458c-a4d1-5aadfc0c26ce
https://pure.qub.ac.uk/en/publications/76f3ecc5-a1c2-458c-a4d1-5aadfc0c26ce
Autor:
M. Henry, Robert Cahill, Giovanni Toso, Min Zhou, Raymond Dickie, Peter G. Huggard, Stig B. Sorensen, J.H. Montgomery, Paul Baine, Niels Vesterdal
Publikováno v:
Zhou, M, Sorensen, S B, Vesterdal, N, Dickie, R, Baine, P, Montgomery, J, Cahill, R, Henry, M, Huggard, P G & Toso, G 2017, Design of Aperiodic Frequency Selective Surfaces for Compact Quasi-Optical Networks . in Proceedings of the 11th European Conference on Antennas and Propagation (EUCAP), 2017 . Institute of Electrical and Electronics Engineers Inc., pp. 1274-1278, 11th European Conference on Antennas and Propagation, Paris, France, 19/03/2017 . https://doi.org/10.23919/EuCAP.2017.7928454
The design of an aperiodic frequency selective surface (FSS) for compact quasi-optical networks is presented in this paper. Using a newly developed Physical Optics (PO) method in conjunction with a direct optimisation approach where all elements are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::acc79f688e5f2fadf207d494de6958ef
https://doi.org/10.23919/eucap.2017.7928454
https://doi.org/10.23919/eucap.2017.7928454
Autor:
Paul Baine, Giovanni Toso, Robert Cahill, Jose A. Encinar, Efstratios Doumanis, Raymond Dickie, George Goussetis, Vincent Fusco, M. Bain
Publikováno v:
Doumanis, E, Goussetis, G, Dickie, R, Cahill, R, Baine, P, Bain, M, Fusco, V, Encinar, J A & Toso, G 2014, ' Electronically Reconfigurable Liquid Crystal Based Mm-Wave Polarization Converter ', IEEE Transactions on Antennas and Propagation, vol. 62, no. 4, pp. 2302-2307 . https://doi.org/10.1109/TAP.2014.2302844
An electronically tunable reflection polarizer which exploits the dielectric anisotropy of nematic liquid crystals (LC) has been designed, fabricated and measured in a frequency band centered at 130 GHz. The phase agile polarizing mirror converts an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afa8fb9af5126fa2a963d8a08b0cbc35
https://doi.org/10.1109/tap.2014.2302844
https://doi.org/10.1109/tap.2014.2302844
Autor:
Gerardo Perez-Palomino, Michael Bain, Raymond Dickie, Giovanni Toso, Jose A. Encinar, Paul Baine, Robert Cahill, Mariano Barba
Publikováno v:
IEEE Transactions on Antennas and Propagation. 61:1704-1713
A reconfigurable reflectarray which exploits the dielectric anisotropy of liquid crystals (LC) has been designed to operate in the frequency range from 96 to 104 GHz. The unit cells are composed of three unequal length parallel dipoles placed above a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c107c393990a48461e22e78d5cca3a6
https://doi.org/10.1109/tap.2013.2242833
https://doi.org/10.1109/tap.2013.2242833
Publikováno v:
Dickie, R, Cahill, R, Fusco, V F & Kangas, V 2016, 229 GHz FSS for the MetOp Second Generation Microwave Sounder Instrument . in 2016 10th European Conference on Antennas and Propagation (EuCAP) . Institute of Electrical and Electronics Engineers Inc., pp. 1-4, 10th European Conference on Antennas & Propagation, Davos, Switzerland, Davos, Switzerland, 10/04/2016 . https://doi.org/10.1109/EuCAP.2016.7481779
This paper describes the design of a frequency selective surface (FSS) which provides transmission of 228 – 230 GHz radiation and rejection from 164 – 191.3 GHz with insertion losses under 0.25 dB for TE wave polarization at 45° incidence. This
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d43271405aab7410ce5547810632a55
https://pure.qub.ac.uk/en/publications/a8d016e7-b5e4-4539-8b58-bdbd4f13cf47
https://pure.qub.ac.uk/en/publications/a8d016e7-b5e4-4539-8b58-bdbd4f13cf47