Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Mohammad Saeid Ghaffarian"'
Publikováno v:
IEEE Access, Vol 9, Pp 130185-130198 (2021)
In this paper, a single-layer one-sided wideband coplanar waveguide (CPW)-fed transparent circularly polarized (CP) rectangular slot antenna with tilted beam is proposed. The antenna is designed on a glass substrate with a mesh grid in the conductive
Externí odkaz:
https://doaj.org/article/f5c4a77d71344f839a0a6e4101610c31
Publikováno v:
International Journal of Antennas and Propagation, Vol 2012 (2012)
Two wide rectangle-shaped microstrip-fed 2.6-GHz slot antennas using defected ground structures (DGSs) with a low design complexity are proposed to achieve wideband harmonic suppression. To accomplish this, two rectangular DGSs (RDGSs) in the first a
Externí odkaz:
https://doaj.org/article/00ee0816d16e4e859222769d640441b8
Design and Fabrication of Nonplanar Yagi–Uda Antennas Based on a Partially Conductive Filling Method
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 18:2439-2443
In this letter, a rapid and easy fabrication approach of nonplanar Yagi–Uda antennas is presented. The presented nonplanar Yagi–Uda antenna has a three-layer configuration and consists of several fully and partially-filled vias including one pair
Publikováno v:
Electronics
Volume 10
Issue 1
Electronics, Vol 10, Iss 83, p 83 (2021)
Volume 10
Issue 1
Electronics, Vol 10, Iss 83, p 83 (2021)
In this paper, a miniaturized ultra-wideband antipodal tapered slot antenna with exponential strip arms is presented. Two exponential arms with designed equations are optimized to reduce the lower edge cut-off frequency of the impedance bandwidth fro
Publikováno v:
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting.
The design of a wideband high-gain corrugated antenna is investigated in this paper. Two planar substrate layers are used for shaping the corrugations and it is shown that significant enhancement can be achieved in the 3dB gain-bandwidth of the corru
Autor:
Rashid Mirzavand, Somayyeh Khajehpour, Gholamreza Moradi, Mohammad Mahdi Honari, Mohammad Saeid Ghaffarian
Publikováno v:
Electronics, Vol 10, Iss 1812, p 1812 (2021)
Electronics
Volume 10
Issue 15
Electronics
Volume 10
Issue 15
A novel dual-band/dual-mode compact hybrid coupler which acts as a dual-band branch-line coupler at the lower band and as a rat-race coupler at the higher band is presented in this paper. One of the most interesting features of the proposed structure
Publikováno v:
IET Microwaves, Antennas & Propagation. 11:1734-1741
Autor:
Gholamreza Moradi, Mehran Shamaiee, Mohammad Saeid Ghaffarian, Somayeh Khajepour, Mohammad Mahdi Honari
Publikováno v:
IET Microwaves, Antennas & Propagation. 11:1726-1733
A novel wideband planar single layer mono-pulse comparator for the application of mono-pulse angle of arrival and target detecting is presented. This low cost comparator consists of three new broadband differential phase shifters and four 3 dB hybrid
Publikováno v:
IET Microwaves, Antennas & Propagation. 11:672-679
A novel single-feed wide band planar single layer circularly polarised (CP) slot antenna is presented. This low cost slot antenna consists of an L-shaped feeding stub with metamaterial inspired complementary split ring resonator (MICSRR) and a wide 4
Publikováno v:
AEU - International Journal of Electronics and Communications. 71:30-36
This paper presents wideband compact differential reflective phase shifter based on the double layer slot-coupled coupler configuration. This novel phase shifter arrangement consists of a 3-dB hybrid coupler with the coupled and transmission ports te