Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Om Prakash Acharya"'
Autor:
Yadgar I. Abdulkarim, Ayesha Mohanty, Om Prakash Acharya, Bhargav Appasani, Mohammad S. Khan, S. K. Mohapatra, Fahmi F. Muhammadsharif, Jian Dong
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
Metamaterials (MM) are artificially designed materials that possess unique properties due to their geometrical design. They also display some peculiar properties, such as negative refractive index, Snell’s law reversal, Doppler effect reverse, and
Externí odkaz:
https://doaj.org/article/ec0be763ad8e4f66b7350a75622905cd
Publikováno v:
Applied Computational Intelligence and Soft Computing, Vol 2011 (2011)
Antenna array pattern nulling is desirable in order to suppress the interfering signals. But in large antenna arrays, there is always a possibility of failure of some elements, which may degrade the radiation pattern with an increase in side lobe lev
Externí odkaz:
https://doaj.org/article/8984ba148713442c909c748c2e90e94a
Publikováno v:
Wireless Personal Communications.
This work presents an integrated planar five-element antennas system for cognitive radio (CR) applications. The proposed system is composed a ultra-wideband (UWB) antenna for sensing the radio spectrum and four different narrowband (NB) antennas for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b24df452328ea339a45aaf5929bf3b2
https://doi.org/10.1007/s11277-023-10443-y
https://doi.org/10.1007/s11277-023-10443-y
Autor:
Bhargav Appasani, Sushanta Kumar Mohapatra, Om Prakash Acharya, Mohammad S. Khan, Ayesha Mohanty
Publikováno v:
IEEE Sensors Journal. 21:22688-22694
This paper presents and evaluates a new terahertz metamaterial absorber (MMA) for sensing applications. Because of its unique properties, metamaterial-based sensors are widely employed in a variety of applications. The reported structure comprises of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67704b978a1477f0f3b78c1d34612ca1
https://doi.org/10.1109/jsen.2021.3109158
https://doi.org/10.1109/jsen.2021.3109158
Publikováno v:
IETE Journal of Research. :1-8
This communication presents a small size, planar, and two-port wideband multiple-input-multiple-output (MIMO) antenna operating from 2.08 GHz to 5.81 GHz with 94.55% fractional bandwidth. It satisf...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a138d61ec756348941f6d3d1e7cf248
https://doi.org/10.1080/03772063.2021.1984321
https://doi.org/10.1080/03772063.2021.1984321
Autor:
Bhargav Appasani, Sushanta Kumar Mohapatra, Kriangkrai Sooksood, Om Prakash Acharya, Ayesha Mohanty
Publikováno v:
ECTI Transactions on Electrical Engineering, Electronics, and Communications. 19:165-173
Terahertz (THz) absorbers are gaining interest in many applications. In this paper, we present the design and simulation of a multiband metamaterial absorber (MMA) with combined polarization properties and prominent absorption at 2.2 THz and 3.9 THz.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d4d6e4ee356ef6971945b509a861283
https://doi.org/10.37936/ecti-eec.2021192.242019
https://doi.org/10.37936/ecti-eec.2021192.242019
Publikováno v:
Plasmonics. 15:2147-2152
A novel terahertz metamaterial absorber design with broadband and polarization insensitive absorption characteristics is presented in this paper. This proposed unit cell structure consists of a single layer dielectric with a petal-shaped metallic pat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca60dd92dc6ff34578ed2f44014b7070
https://doi.org/10.1007/s11468-020-01241-4
https://doi.org/10.1007/s11468-020-01241-4
Publikováno v:
International Journal of System Assurance Engineering and Management. 10:731-738
We are living in a world which is connected to the internet, and as a result, a significant amount of data is being generated which can be processed using efficient methods for the technology development for the mankind. This paper focuses on the imp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdaf7caeec539b591901c76304924538
https://doi.org/10.1007/s13198-019-00802-z
https://doi.org/10.1007/s13198-019-00802-z
Publikováno v:
International Journal of RF and Microwave Computer-Aided Engineering. 31
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fd53963e3a9818f5966058fa9acafaf
https://doi.org/10.1002/mmce.22605
https://doi.org/10.1002/mmce.22605
Autor:
Susanta Kumar Badi, Om Prakash Acharya
Publikováno v:
2020 Advanced Communication Technologies and Signal Processing (ACTS).
In this work an isolation improvement technique has been proposed for a planar MIMO antenna using a modified T shaped stub in the defected ground operating in 4.99GHz to 6.03GHz covering entire sub 6GHz upper 5G and upper WLAN band. It consists of tw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb67502b8e32c3c6ae457b7ee6a93188
https://doi.org/10.1109/acts49415.2020.9350441
https://doi.org/10.1109/acts49415.2020.9350441