Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Md. Afzalur Rahman"'
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 103130- (2024)
This study presents a revolutionary tri-band combined microwave (MW) and millimeter wave (MMW) multiple-input-multiple-output (MIMO) antenna. The antenna is built on a Rogers RT-5880 substrate with dimensions of 32 × 32 × 1.6 mm³. This integration
Externí odkaz:
https://doaj.org/article/2bb2c0e03a704764bb201e08d14d3c2c
Autor:
Md. Ashraful Haque, M.A. Zakariya, Samir Salem Al-Bawri, Zubaida Yusoff, Mirajul Islam, Dipon Saha, Wazie M. Abdulkawi, Md Afzalur Rahman, Liton Chandra Paul
Publikováno v:
Alexandria Engineering Journal, Vol 80, Iss , Pp 383-396 (2023)
In recent years, improvements in wireless communication have led to the development of microstrip or patch antennas. The article discusses using simulation, measurement, an RLC equivalent circuit model, and machine learning to assess antenna performa
Externí odkaz:
https://doaj.org/article/022ec5ef0b5440aea157e238e931c2d3
Autor:
Md. Ashraful Haque, Md Afzalur Rahman, Samir Salem Al-Bawri, Zubaida Yusoff, Adiba Haque Sharker, Wazie M. Abdulkawi, Dipon Saha, Liton Chandra Paul, M. A. Zakariya
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-22 (2023)
Abstract In this study, we present our findings from investigating the use of a machine learning (ML) technique to improve the performance of Quasi-Yagi–Uda antennas operating in the n78 band for 5G applications. This research study investigates se
Externí odkaz:
https://doaj.org/article/3e17cfcefa5a41b6b5cd767cc260be5a
Autor:
Md Afzalur Rahman, Samir Salem Al-Bawri, Wazie M. Abdulkawi, Khaled Aljaloud, Mohammad Tariqul Islam
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 50, Iss , Pp 101616- (2024)
This study introduces a MIMO antenna system incorporating an epsilon negative Meta Surface (MS). The system’s architects intended for it to have a large usable frequency range, high gain, narrow inter-component spacing, and superior isolation prope
Externí odkaz:
https://doaj.org/article/50068dd47ba9464db69e39cf749bc199
Autor:
Md. Ashraful Haque, Dipon Saha, Samir Salem Al-Bawri, Liton Chandra Paul, Md Afzalur Rahman, Faisal Alshanketi, Ali Alhazmi, Ali Hanafiah Rambe, M.A. Zakariya, Saeed S. Ba Hashwan
Publikováno v:
Heliyon, Vol 9, Iss 9, Pp e19548- (2023)
In this study, we have presented our findings on the deployment of a machine learning (ML) technique to enhance the performance of LTE applications employing quasi-Yagi-Uda antennas at 2100 MHz UMTS band. A number of techniques, including simulation,
Externí odkaz:
https://doaj.org/article/ab36243999784f73bb303f0028e2ba70
Autor:
Imteaz Rahaman, Md. Shakiul Jafor, Narinderjit Singh Sawaran Singh, Md Ashraful Haque, Antar Kumar Biswas, Md Afzalur Rahman, M Azman B Zakariya, Ghulam E Mustafa Abro, Nayan Sarker
Publikováno v:
Applied Sciences, Vol 12, Iss 22, p 11481 (2022)
In this research, linearly arranged circular antenna array (LCAA), linearly arranged circular planer antenna array (LCPAA), linearly arranged rectangular antenna array (LRAA), and linearly arranged concentric circular antenna array (LCCAA) are analyz
Externí odkaz:
https://doaj.org/article/95d8f394d7714a10847b147991b32268
Autor:
Imteaz Rahaman, Md Ashraful Haque, Narinderjit Singh Sawaran Singh, Md. Shakiul Jafor, Pallab Kumar Sarkar, Md Afzalur Rahman, Mohd Azman Zakariya, Ghulam E. Mustafa Abro, Nayan Sarker
Publikováno v:
Micromachines, Vol 13, Iss 11, p 1959 (2022)
In this research, a novel antenna array named Linearly arranged Concentric Circular Antenna Array (LCCAA) is proposed, concerning lower beamwidth, lower sidelobe level, sharp ability to detect false signals, and impressive SINR performance. The perfo
Externí odkaz:
https://doaj.org/article/09ff08f90d734416ba718aabebe11e83
Autor:
Md. Ashraful Haque, Nayan Sarker, Narinderjit Singh Sawaran Singh, Md Afzalur Rahman, Md. Nahid Hasan, Mirajul Islam, Mohd Azman Zakariya, Liton Chandra Paul, Adiba Haque Sharker, Ghulam E. Mustafa Abro, Md Hannan, Ripon Pk
Publikováno v:
Applied Sciences, Vol 12, Iss 20, p 10505 (2022)
An inset fed-microstrip patch antenna (MPA) with a partial ground structure is constructed and evaluated in this paper. This article covers how to evaluate the performance of the designed antenna by using a combination of simulation, measurement, cre
Externí odkaz:
https://doaj.org/article/1b0480c2358d420ca2c307e5f75aa66a
Autor:
Md. Ashraful Haque, Mohd Azman Zakariya, Narinderjit Singh Sawaran Singh, Md. Afzalur Rahman, Liton Chandra Paul
Publikováno v:
Bulletin of Electrical Engineering and Informatics. 12:1513-1522
Due to small size and lightweight properties, the development of microstrip (MS) patch antennas for wireless communication has become one of the mobile application devices in demand in recent years. This has helped to reduce reliance on wired cables.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8923b4242d153bf46b6b3bf02f5333ea
https://doi.org/10.11591/eei.v12i3.4639
https://doi.org/10.11591/eei.v12i3.4639
Autor:
Muhammad Mizan Ullah, Md Afzalur Rahman, Monirul Islam, Wazed Amin, Sharmin Ara Begum, ABM Muksudul Alam, Shahidul Islam
Publikováno v:
Journal of Shaheed Suhrawardy Medical College. 13:150-157
Background: Spinal anesthesia (SA) with bolus dose has rapid onset but may causes hypotension. When we inject local anesthetic in fractions with a time gap, it provides more hemodynamic stability an. We aimed to compare fractionated dose with bolus d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::026d9b20e6aad4be21a2083044c185b4
https://doi.org/10.3329/jssmc.v13i2.65178
https://doi.org/10.3329/jssmc.v13i2.65178