Zobrazeno 1 - 10
of 3 380
pro vyhledávání: '"Reflective array antenna"'
Autor:
M. D. Parnes
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 24, Iss 2, Pp 18-26 (2021)
Introduction. Large-size phased antenna arrays (PAA) frequently incorporate optical excitation schemes, whose main elements include the feed and the reflective aperture. In turn, the reflective aperture consists of several tens of thousands of radiat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bd0e043054b90be58dfbfdd58f4c9f7
https://re.eltech.ru/jour/article/view/501
https://re.eltech.ru/jour/article/view/501
Autor:
Meng Li
Publikováno v:
International Journal of Computer Applications Technology and Research. 8:340-347
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0de629fcdc65ae29a03ede15e0565465
https://doi.org/10.7753/ijcatr0809.1001
https://doi.org/10.7753/ijcatr0809.1001
Autor:
Kunio Sakakibara
Publikováno v:
Radar Technology
High-gain and large-aperture antennas with fixed beams are required to achieve high S/N ratio for point-to-point high-speed data-communication systems in the millimeter-wave band. Furthermore, beam-scanning antennas are attractive to cover wide angle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::293308ae8279f419343dc7210205b365
http://www.intechopen.com/articles/show/title/high-gain-millimeter-wave-planar-array-antennas-with-traveling-wave-excitation
http://www.intechopen.com/articles/show/title/high-gain-millimeter-wave-planar-array-antennas-with-traveling-wave-excitation
Publikováno v:
Frontiers in Physics, Vol 8 (2020)
This study investigated a novel electronically controlled two-dimensional beam-scanning reflective array antenna (reflectarray), which uses nematic liquid crystals. A double-dipole resonance structure is used as the phase-shift unit for the reflectar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4021e61aed392e23b398244ab9934e7b
https://www.frontiersin.org/article/10.3389/fphy.2020.576045/full
https://www.frontiersin.org/article/10.3389/fphy.2020.576045/full
Publikováno v:
IET Microwaves, Antennas & Propagation. 12:346-353
This study presents a novel concept of a low backscattering phased array antenna, a Ninja array antenna. One of the advantages of the Ninja array antenna over the conventional phased array antenna is low backscattering performance over its operating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bbbab512b13608f840bd8102aff7649
https://doi.org/10.1049/iet-map.2017.0496
https://doi.org/10.1049/iet-map.2017.0496
Publikováno v:
IEEE Transactions on Antennas and Propagation. 66:450-455
Two wide-angle scanning linear array antennas (E- and H-planes scanning linear array antenna) are studied and presented. In order to improve the wide-angle scanning performance of the phased array antenna, a wide beamwidth U-shaped microstrip antenna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47a62d6d039db95b1314e92d1cd524b0
https://doi.org/10.1109/tap.2017.2761999
https://doi.org/10.1109/tap.2017.2761999
Autor:
Yan Zhang, Jixin Chen, Zhi Hao Jiang, Wei Hong, Yu Jian Cheng, Jianyi Zhou, Binqi Yang, Hui Zhang, Zhiqiang Yu, Mustafa K. Taher Al-Nuaimi, Mei Jiang, Xingdong Pang, Chao Yu, Shiwen He, Peng Chen
Publikováno v:
IEEE Transactions on Antennas and Propagation. 65:6231-6249
With the demanding system requirements for the fifth-generation (5G) wireless communications and the severe spectrum shortage at conventional cellular frequencies, multibeam antenna systems operating in the millimeter-wave frequency bands have attrac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b9e3741759fa1f18e3ab794b3707702
https://doi.org/10.1109/tap.2017.2712819
https://doi.org/10.1109/tap.2017.2712819
Publikováno v:
IEEE Transactions on Antennas and Propagation. 65:6728-6738
Massive multiple-input multiple-output (M-MIMO) technology is considered to be a key enabling technology for future wireless communication systems. One of the challenges in effectively implementing an advanced precoding scheme to a large-scale array
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e22513a67d8358c9d1b1c684a795e77
https://doi.org/10.1109/tap.2017.2712818
https://doi.org/10.1109/tap.2017.2712818
Publikováno v:
International Journal of Microwave and Wireless Technologies. 10:77-86
This paper presents a wideband, low-cost, high-performance, and continuous phase shifter for millimeter-wave (mm-wave) phased array systems. Its operational principle is based on modifying the propagation mode of a grounded coplanar waveguide (GCPW)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ba52f872212e33f570c539f9e268e84
https://doi.org/10.1017/s1759078717001118
https://doi.org/10.1017/s1759078717001118
Autor:
Karl F. Warnick, Junming Diao
Publikováno v:
IEEE Transactions on Antennas and Propagation. 65:5871-5877
For phased arrays used in satellite communications and radio astronomy, high sensitivity is required, and minimizing antenna losses is critical. Losses for single antennas can be minimized using high conductivity materials. It is less well understood
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::885754c581a658817ecbd3723a890f85
https://doi.org/10.1109/tap.2017.2748237
https://doi.org/10.1109/tap.2017.2748237