Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Reza Karimian"'
Publikováno v:
PLoS ONE, Vol 19, Iss 4, p e0300326 (2024)
This study aimed to reduce the risk of graft occlusion by evaluating the two-phase flow of blood and LDL nanoparticles in coronary artery grafts. The study considered blood as an incompressible Newtonian fluid, with the addition of LDL nanoparticles,
Externí odkaz:
https://doaj.org/article/2ec4ca726f8640889192133ef70e2ff9
Publikováno v:
Eng, Vol 3, Iss 4, Pp 467-475 (2022)
This manuscript presents a novel wideband power divider with high power handling capability. The power handling capacity of the power divider is increased through the use of grounded 50 ohm loads. The full circuit analysis of a single section of the
Externí odkaz:
https://doaj.org/article/5c6695d97ddd42dcbcca2aecd43fb950
Publikováno v:
Eng, Vol 2, Iss 4, Pp 501-511 (2021)
A compact artificial magnetic conductor (AMC) structure for the application of specific absorption rate (SAR) reduction is presented in this paper. A magneto-dielectric (MD) structure as a host of AMC substrate is used to miniaturize the AMC size. Th
Externí odkaz:
https://doaj.org/article/8b6fa91c51c844759502b24c2504c54d
Publikováno v:
Engineering Reports, Vol 3, Iss 1, Pp n/a-n/a (2021)
Abstract A new beam switch antenna based on a composite right/left‐handed (CRLH) Butler matrix is presented and experimentally validated. The CRLH transmission line (TL) is proposed to increase the number of beams. The proposed CRLH TL has more tha
Externí odkaz:
https://doaj.org/article/ed09ae210f0c4ecfa910860f98250a22
Autor:
Reza Karimian, Hamed Tadayon
Publikováno v:
The Journal of Engineering (2014)
A simple and very compact planar monopole ultra-wideband antenna with a 3.5 GHz band rejection is proposed in this Letter. The compact antenna is etched on an FR4 substrate with the size of 14 × 16 × 1 mm^3, consists of a tree-shaped radiation patc
Externí odkaz:
https://doaj.org/article/e56ac30652cf4c5f9c4e72bbb11106bb
Autor:
Reza Karimian, Hamed Tadayon
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
A new microstrip slot antenna with parasitic elements has been presented in this paper. The proposed antenna is composed of a microstrip feed line, a ground plane on which some simple slots are etched, and parasitic elements. Simulation results show
Externí odkaz:
https://doaj.org/article/baa346a5bfa348c2a1c11904cd36e18d
Publikováno v:
IEEE Transactions on Antennas and Propagation. 69:7572-7581
This study presents a nonreciprocal-beam phased-array antenna constituted of phase-gradient patch radiators integrated with transistor-based nonreciprocal phase shifters. Such an antenna exhibits different beams for transmission and reception states.
Publikováno v:
2022 IEEE International Symposium on Phased Array Systems & Technology (PAST).
Publikováno v:
2022 IEEE International Symposium on Phased Array Systems & Technology (PAST).
Publikováno v:
2022 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM).