Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Şule Çolak"'
Publikováno v:
Applied Sciences, Vol 13, Iss 18, p 10237 (2023)
This study introduces innovative designs for frequency-reconfigurable antennas that utilize ring resonators combined with either PIN diodes or RF switches. These designs enhance the versatility, adaptability, and overall performance of the antennas i
Externí odkaz:
https://doaj.org/article/787bdca1c48643a8be52bd82744fb159
Publikováno v:
Applied Sciences, Vol 13, Iss 15, p 8719 (2023)
This paper presents a novel frequency reconfigurable antenna design for sub-6 GHz applications, featuring a unique combination of antenna elements and control mechanisms. The antenna is composed of an outer split-ring resonator loaded with an inner s
Externí odkaz:
https://doaj.org/article/0ae9378d05064f048de6c06102b137b9
Publikováno v:
Reference Module in Biomedical Sciences
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86a55a40e7e1e1914fcf185afbb291bc
https://doi.org/10.1016/b978-0-12-822548-6.00083-2
https://doi.org/10.1016/b978-0-12-822548-6.00083-2
Autor:
Duygu Nazan Gençoğlan, Şule Çolak
Publikováno v:
Volume: 25, Issue: 4 974-983
Sakarya University Journal of Science
Sakarya University Journal of Science
This study presents an origami inspired sub-6 GHz accordion monopole antenna for 5G applications. Parametric study is performed by varying monopole height, fold width and bevel angle to examine the antenna performance in the 1 GHz - 6 GHz frequency r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efd3d5a25af52380d567e3a7026b00c7
https://doi.org/10.16984/saufenbilder.845515
https://doi.org/10.16984/saufenbilder.845515
Autor:
Duygu Nazan Gençoğlan, Şule Çolak
Publikováno v:
Volume: 36, Issue: 1 261-272
Çukurova Üniversitesi Mühendislik Fakültesi Dergisi
Çukurova Üniversitesi Mühendislik Fakültesi Dergisi
In this study, a dual-band patch antenna with improved gain and group delay characteristics is proposed for C-band and X-band applications in radar and satellite communications. In the study, conventional square patch antenna is modified by partially
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ce690db0cb781d8c0a98da59dd8a7f7
https://doi.org/10.21605/cukurovaumfd.934358
https://doi.org/10.21605/cukurovaumfd.934358
Autor:
Mustafa Demirci, Metin Sagik, Ersin Ozdemir, Muharrem Karaaslan, Emin Unal, Şule Çolak, Olcay Altıntaş
Publikováno v:
Wireless Personal Communications. 118:109-124
The purpose of this study is to improve the gain and directivity of the microstrip patch antenna by means of metamaterial (MTM) structures. As it is known, antennas have power densities in a certain direction, and the radiation curves of the antennas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbf24a58487214edfb08c11c0d93b7ac
https://doi.org/10.1007/s11277-020-08004-8
https://doi.org/10.1007/s11277-020-08004-8
Publikováno v:
Frequenz. 74:351-358
In this study, estimation of Ultra-Wideband (UWB) characteristics of microstrip elliptic patch antenna is investigated by means of k-nearest neighborhood algorithm. A total of 16,940 antennas are simulated by changing antenna dimensions and substrate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::377335544b02bfebab395915cccac605
https://doi.org/10.1515/freq-2019-0210
https://doi.org/10.1515/freq-2019-0210
Publikováno v:
IEEE Access, Vol 8, Pp 225272-225283 (2020)
IEEE Access
Ieee Access
IEEE Access
Ieee Access
Coronavirus Disease 2019 (COVID-19) has spread the world resulting in detrimental effects on human health, lives, societies, and economies. The state authorities mostly take non-pharmacological actions against the outbreak since there are no confirme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::819f991ec05ad2c0a34614d395a479e5
https://ieeexplore.ieee.org/document/9294079/
https://ieeexplore.ieee.org/document/9294079/
Autor:
Duygu Nazan Gençoğlan, Şule Çolak
Publikováno v:
Çukurova Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi. 34:85-90
In this paper, a modified bowtie antenna structure is proposed for Ultra-Wideband communication systems. This antenna is obtained by rounding and notching the edges of antenna arms. Antenna parameters for the designed structure are examined according
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80b223a221d08a825c35090b9e21ba7b
https://doi.org/10.21605/cukurovaummfd.702079
https://doi.org/10.21605/cukurovaummfd.702079
Autor:
Şule Çolak, Turgut Ikiz, Muharrem Karaaslan, Duygu Nazan Gençoğlan, İsmail Yildiz, Faruk Karadağ
Publikováno v:
European Journal of Science and Technology.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ee6b6e9f2d6cdc782e8fc1d32cd9a30
https://doi.org/10.31590/ejosat.903929
https://doi.org/10.31590/ejosat.903929