Zobrazeno 1 - 10
of 254
pro vyhledávání: '"Raghvendra Kumar Chaudhary"'
Autor:
Rajkishor Kumar, Avinash Chandra, Sreenath Reddy Thummaluru, Mohammad Monirujjaman Khan, Raghvendra Kumar Chaudhary
Publikováno v:
International Journal of Antennas and Propagation, Vol 2023 (2023)
This paper presents a miniaturized planar dual-band short-ended metamaterial antenna with the backed ground plane to improve antenna bandwidths and radiation characteristics. The proposed dual-band metamaterial (MTM) antenna has been made up of the c
Externí odkaz:
https://doaj.org/article/332599a30cc54399bb043f80139441a2
Publikováno v:
IEEE Access, Vol 9, Pp 97327-97336 (2021)
To achieve wideband circular polarization (CP) characteristics, a new structure with a single feeding technique has been proposed. In the proposed CP structure, to excite the cylindrical dielectric resonator (CDR) four asymmetrical rectangular slots
Externí odkaz:
https://doaj.org/article/2cc1212f46634fbe9eb15e13184017d3
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 1, Pp 62-68 (2021)
Abstract This paper presents a new pattern‐reconfigurable antenna. This antenna has been designed, fabricated, and measured for 2.45 GHz band application. It provides six different radiation patterns in the azimuth plane at the same angle interval.
Externí odkaz:
https://doaj.org/article/d069b5ce98ef4b40a0084431ffad51bc
Publikováno v:
IEEE Access, Vol 8, Pp 139658-139669 (2020)
A Coplanar waveguide (CPW) fed multi-permittivity and stair shaped dual rectangular dielectric resonator antenna (RDRA) has been designed for ultra-wideband (UWB) applications in multipleinput multiple-output (MIMO) configuration. Isolation improveme
Externí odkaz:
https://doaj.org/article/28614f79c3f445a59bc30d9541eec665
Autor:
Naveen Mishra, Dilip Kumar Choudhary, Rakesh Chowdhury, Khusboo Kumari, Raghvendra Kumar Chaudhary
Publikováno v:
IEEE Access, Vol 5, Pp 4370-4376 (2017)
This article claims, an investigation on compact ultrathin triple band polarization independent metamaterial absorber for microwave frequency applications. The proposed absorber unit cell consist of two resonators named as Structure-A and Structure-B
Externí odkaz:
https://doaj.org/article/c7d5592e4ee04a15a1fdcfe240617705
Publikováno v:
IEEE Access, Vol 5, Pp 19478-19485 (2017)
In this paper, a wideband circularly polarized cylindrical shaped dielectric resonator antenna (DRA) with simple microstrip feed network has been designed and investigated. The proposed design uses dual vertical microstrip lines arranged in a perpend
Externí odkaz:
https://doaj.org/article/700b5b86624444238a2ba0571a2a2741
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 70:1966-1970
Publikováno v:
Microwave and Optical Technology Letters. 65:1778-1786
Autor:
Mohammad Ameen, Pravakar Mallick, Rakesh Chowdhury, Arun Kumar Ray, Raghvendra Kumar Chaudhary
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. :1-5
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 21:2040-2044