Zobrazeno 1 - 10
of 19
pro vyhledávání: '"hamideh dashti"'
Publikováno v:
Iranian Journal of Electrical and Electronic Engineering, Vol 19, Iss 4, Pp 1-11 (2023)
In this article, an active electrically small Horn antenna for very high frequency (VHF) and ultra-high frequency (UHF) frequencies is presented. The proposed horn antenna has a height of 5 cm and a diameter of 4.28 cm which can cover 6-12 GHz withou
Externí odkaz:
https://doaj.org/article/b5830a9c34ca4993a6138b9df8c041bd
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 17, Iss 1, Pp 62-74 (2023)
Abstract Characteristic mode tracking plays a determining role in the correctness of the characteristic modes (CMs) results. The reliable modal tracking methods are usually either complex or have high computational time. Hence in this study, these ch
Externí odkaz:
https://doaj.org/article/80aa4d24cd004dd792631d2bce6bc2b3
Autor:
Hamideh Dashti
Publikováno v:
International Journal of Industrial Electronics, Control and Optimization, Vol 3, Iss 2, Pp 205-211 (2020)
In this paper, for the first time, effects of external electromagnetic fields on a coplanar waveguide (CPW) are numerically studied by means of the method of finite elements. Two CPW lines with different geometry and dielectric substrate permittivity
Externí odkaz:
https://doaj.org/article/010af85b92504ee59b373b4e687df831
Publikováno v:
IET Microwaves, Antennas & Propagation. 17:62-74
Publikováno v:
Optik. 262:169365
Publikováno v:
AEU - International Journal of Electronics and Communications. 89:1-5
A complete equivalent-circuit model of input impedance is developed for a hybrid antenna, which consists of a Half Mode Substrate Integrated Waveguide (HMSIW) resonator and a microstrip patch. An accurate circuit model is derived using Transmission L
Publikováno v:
Optik. 243:167388
In this paper, the optical properties of several Plasmonic structures including single nanodisk, Hexamer and Heptamer, using the Characteristic Mode Theory (CMT) are investigated. Single nanodisk and Hexamer have shown a bright mode with Lorentzian r
Publikováno v:
AEU - International Journal of Electronics and Communications. 135:153700
In this paper, a method is presented for antenna beamforming based on characteristic mode theory. A multi-mode antenna with two elements and four significant orthogonal modes is presented in 5 GHz. Feed positions of the proposed antenna to excite its
Publikováno v:
AEU - International Journal of Electronics and Communications. 126:153399
In this paper, a systematic procedure is presented to feed placement in multi-mode MIMO antennas based on characteristic mode theory. Using modal radiated power, a circuit model for multi-mode MIMO antennas is proposed and optimal feed positions are
Publikováno v:
AEU - International Journal of Electronics and Communications. 113:152991
In this paper, a new broadband electrically small antenna is proposed for WiFi application. This antenna consists of a microstrip-feed-line and a parasitic metamaterial structure in the ground plane. In the proposed antenna, a parasitic metamaterial