Výsledky vyhledávání - "Zeki A. Ahmed"

Akademický článek

New Design of Cylindrical Rectangular Microstrip Antenna (CRMA) By Using The Slots Technique

Autor: Nabeel A. Areebi, Zeki A. Ahmed, Mahmoud M. Aubais

Publikováno v: Journal of Kufa-Physics, Vol 12, Iss 01 (2020)

A conformal antennas are plays an important role due to its multitasking possibilities , which have many opportunities in several applications. In this study, a new design of cylindrical rectangular microstrip antenna(CRMA ) excited at mode, was achi

Externí odkaz: https://doaj.org/article/a073b3647129406faa102ccf866772c9

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Akademický článek

Design and simulation of a 2-shaped Slotloaded Rectangular Microstrip Patch

Autor: Zeki A. Ahmed, Ahmed H. Abood, Huda Sh. Gally

Publikováno v: Journal of Kufa-Physics, Vol 10, Iss 2 (2018)

A design of 2-slot loaded rectangular microstrip patch antenna was worked out. The aim of this design is to improve the parameters of microstip antenna .This design shows that there is an increase in the bandwidth, which may distinguish it for the us

Externí odkaz: https://doaj.org/article/f0109e617ccd4e2d912dd39879fff876

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Akademický článek

Contribution adjacent modes for circular microstrip antenna loaded by two annular rings

Autor: Raed M. Shaaban, Zeki A. Ahmed, Wa'il A. Godaymi

Publikováno v: Journal of Kufa-Physics, Vol 10, Iss 01 (2018)

In this paper, theoretical study of circular microstrip antenna loaded by two annular rings (CMSAL2AR) and calculation the contribution of the adjacent modes and studied positively or negatively affected on the antenna's coefficients (Bandwidth and D

Externí odkaz: https://doaj.org/article/4037fcf76dd0402eb2d4cc466f973cd4

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Akademický článek

Design of T-Slot Loaded Circular Microstrip Patch Antenna to improved dual bandwidth

Autor: Zeki A. Ahmed, Ranya M. Dawood, Raed M. Shaaban

Publikováno v: Journal of Kufa-Physics, Vol 9, Iss 1 (2017)

In this paper, a T-slot loaded circular disk microstrip patch antenna was designed using HFSS Microwave Studio at a resonant dual frequency of 4.37 GHz and 5.19 GHz. The antenna parameters are calculated such as a dual bandwidth was obtains as 105.8

Externí odkaz: https://doaj.org/article/8c8ec1b3f84f475192e89d743cd2b859

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Calculation of the specific absorption rate (SAR) and absorption ratio of the thyroid gland in rabbits at the frequencies (9, 10.5, 12) GHZ

Autor: Ahmed R. Mathloom, Abdulbari A. Alfaris, Zeki A. Ahmed

Publikováno v: PROCEEDING OF THE 1ST INTERNATIONAL CONFERENCE ON ADVANCED RESEARCH IN PURE AND APPLIED SCIENCE (ICARPAS2021): Third Annual Conference of Al-Muthanna University/College of Science.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::510b4adfb8f7c5c2c103ef9908c86905
https://doi.org/10.1063/5.0093988

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Radar cross section of conducting bodies of revolution coated by dielectric layer

Autor: Rua’a Raheem Helan, Aqeel Sami Taher, Zeki A. Ahmed

Publikováno v: Journal of Kufa-Physics. 11:19-26

In this paper, the electromagnetic (EM) scattering from conducting bodies of revolution coated by dielectric layer was calculated by using moment of method with Galerkin's approach, and applying the equivalence principle to determine the electric and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe99904422c674b07a0b94c3227ca664
https://doi.org/10.31257/2018/jkp/2019/110104

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Designing a Microstrip Patch Antenna in Part of Ultra-Wideband Applications

Autor: Wa'il A. Godaymi Al-Tumah, Zeki A. Ahmed, Raed M. Shaaban

Publikováno v: Baghdad Science Journal, Vol 17, Iss 4 (2020)

In this work, a simulated study was carried out for designing a novel spiral rectangular patch of microstrip antenna that is used in ultra-wideband applications by using a high frequency structure simulator software (HFSS). A substrate with dielectri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3372e3fc7771ba4f55b60ecc24fdb7f4
https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4532

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