Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Mehdi Taherkhani"'
Autor:
Mehdi Taherkhani
Publikováno v:
پژوهشهای اقتصادی, Vol 7, Iss 3, Pp 59-73 (2007)
Global experience shows that rural agro-based industries can result into rural production, productivity, access to job opportunities, promotion of intersectoral relationships and reduction of regional disparities. Howevere, success of rural agro- bas
Externí odkaz:
https://doaj.org/article/58ebd1b92fd8494bad905609b1a6fb89
Publikováno v:
IET Science, Measurement & Technology. 14:808-816
In this study, a multidisciplinary design procedure for sandwich radomes is presented. This methodology is composed of two parallel paths which are related to each other, one for electromagnetic behaviour and the other for its mechanical properties.
Publikováno v:
IET Microwaves, Antennas & Propagation. 13:1699-1704
A quadrifilar helix antenna (QHA), with an improved isoflux radiation pattern for S-band satellite ground stations, is designed and fabricated. The performance of the antenna with respect to its beam pattern, axial ratio and efficiency is investigate
Autor:
Arash Ahmadi, Mehdi Taherkhani
Publikováno v:
Volume: 25, Issue: 5 4050-4062
Turkish Journal of Electrical Engineering and Computer Science
Turkish Journal of Electrical Engineering and Computer Science
In this study, a broadband stripline multisection coupled-line coupler is designed and fabricated. The coupler has 50 dB coupling in the frequency range of 30 to 1000 MHz. The coupler is designed by cascading several unit section couplers consisting
Publikováno v:
Nano Communication Networks. 23:100282
In this paper, a general channel model for THz wireless line-of-sight links is developed and investigated. The propagation of THz waves is divided into two main scenarios, namely deterministic and random conditions. On the one hand, the molecular abs
Publikováno v:
Electrical Engineering (ICEE), Iranian Conference on.
Material composition and fabrication procedure are among the most influential parameters affecting radome performance. The main goal of this paper is to design and implement an A-type sandwich panel, with an insertion loss of 0.3dB and an attenuation
Publikováno v:
Electrical Engineering (ICEE), Iranian Conference on.
The attenuation of terahertz (THz) and infrared (IR) waves under different weather turbulence conditions has been studied. The gamma-gamma model has been utilized to model the weak to the strong turbulent media, and the frequency-dependent attenuatio
Publikováno v:
Asia-Pacific Journal of Rural Development. 12:47-59