Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Ahmad Bakhtafrouz"'
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1523-1538 (2024)
Quantitative microwave imaging (MWI) involves solving the inverse scattering problem (ISP), which is characterized by nonlinearity and ill-posedness. To address the challenges posed by ISP, iterative linearization techniques have been introduced alon
Externí odkaz:
https://doaj.org/article/5f83e01542af4aee86208374bd73cf0f
Publikováno v:
IEEE Access, Vol 12, Pp 152850-152859 (2024)
The discovery of topological insulators and their photonic counterparts has led to significant advancements in electromagnetics. These materials offer an innovative way to control electromagnetic fields at the interface of trivial and topological mat
Externí odkaz:
https://doaj.org/article/9a23f818f4134a98b17dc4d0b9ebcd56
Autor:
Zahra Akhoondmahdi, Ahmad Bakhtafrouz
Publikováno v:
IEEE Access, Vol 12, Pp 134926-134936 (2024)
Microwave devices using printed gap waveguide technology, such as inverted microstrip gap waveguide (IMGW), are essential for millimeter-wave applications. In this article, a new wideband monopulse comparator composed of four wideband rat-race hybrid
Externí odkaz:
https://doaj.org/article/ae415eb1e6464a5983560573185683cd
Publikováno v:
IEEE Transactions on Antennas and Propagation. 71:852-858
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::885398d9912fdfe67de54747bdc1983a
https://doi.org/10.1109/tap.2022.3215259
https://doi.org/10.1109/tap.2022.3215259
Autor:
Marzieh Nasirian, Ahmad Bakhtafrouz, Mohammad Hossein Sadrearhami, Mojtaba Maddah-Ali, Mohsen Maddahali
Publikováno v:
IEEE Transactions on Antennas and Propagation. 70:773-776
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d152014984bf8af66ea25fdf7c6c707d
https://doi.org/10.1109/tap.2021.3111403
https://doi.org/10.1109/tap.2021.3111403
Publikováno v:
Progress In Electromagnetics Research C. 121:207-220
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db00ec83f0226409d5f6d5e621e959db
https://doi.org/10.2528/pierc22051904
https://doi.org/10.2528/pierc22051904
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 5, Pp 503-510 (2021)
Here, the authors calculate the fields due to the electric dipole that excites a homogenized metasurface which is printed on a finite thickness dielectric slab. The problem is solved by replacing the total parts below the periodic array which contain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bae07b30c52437d36e95a5d5b34a34b9
https://doi.org/10.1049/mia2.12076
https://doi.org/10.1049/mia2.12076
Publikováno v:
2022 30th International Conference on Electrical Engineering (ICEE).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::663d83c1ad0b4dfca799e992b77404e8
https://doi.org/10.1109/icee55646.2022.9827178
https://doi.org/10.1109/icee55646.2022.9827178
Publikováno v:
Iranian Journal of Science and Technology, Transactions of Electrical Engineering. 45:269-277
One of the rapid and efficient methods to calculate the interaction between electromagnetic fields and periodic surfaces with periodicity much less than the wavelength in the surrounding medium is the homogenization method. In this paper, the Hertzia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d700984bc28a63242c775c3a819302e8
https://doi.org/10.1007/s40998-020-00363-z
https://doi.org/10.1007/s40998-020-00363-z
Publikováno v:
IEEE Transactions on Antennas and Propagation. 68:2965-2974
In this article, dyadic magnetic vector potential Green’s functions corresponding to electric dipole which illuminates homogenized metasurface have been presented. Metasurface is constructed by a periodic arrangement of planar metallic scatterers a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c120966990874c08d2a68ef8b0a8d70c
https://doi.org/10.1109/tap.2019.2963212
https://doi.org/10.1109/tap.2019.2963212