Ahasanul Hoque
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View article: Secure Engineering of Autonomous AI Agents: A Threat-Driven Development Framework
Secure Engineering of Autonomous AI Agents: A Threat-Driven Development Framework Open
The integration of generative AI( Gen- AI) agents within business settings presents unique security challenges that differ from those of traditional systems. These agents extend beyond introductory LLMs, flaunting their ability to reason, …
View article: Cloud Computing in Business: Leveraging SaaS, IaaS, and PaaS for Growth
Cloud Computing in Business: Leveraging SaaS, IaaS, and PaaS for Growth Open
The objective of this exploratory research paper is to investigate how organizations can utilize cloud computing models, Software-as-a-Service (SaaS), Platform-as-a-Service (PaaS), and Infrastructure-as-a-Service (IaaS), to scale up their …
View article: DNG metamaterial-inspired slotted Vivaldi antenna development integrated with supervised machine learning for ex-vivo bone fracture diagnosis
DNG metamaterial-inspired slotted Vivaldi antenna development integrated with supervised machine learning for ex-vivo bone fracture diagnosis Open
The following research paper describes an Ex vivo bone fracture diagnosis method based on supervised machine learning (ML) using metamaterial-loaded slotted vivaldi antenna numerical parameters (S11). The proposed 26 mm x 14.05 mm compact …
View article: The Revolution of AI in Enhancing Infrastructure and Facilities Management
The Revolution of AI in Enhancing Infrastructure and Facilities Management Open
The revolutionary impact of artificial intelligence (AI) in infrastructure and facilities management is thoroughly reviewed in this paper, with a particular emphasis on the years 2020–2025. By providing dynamic, condition-based approaches …
View article: A New Meta-Atom for Multiband Microwave Application
A New Meta-Atom for Multiband Microwave Application Open
In this study a GL-shaped new meta-atom is proposed for multi-band microwave applications. This analysis depicts that our design shows better performance than another existing meta-atom of the resonator and EMR. The new GL-shaped meta-atom…
View article: High-efficient, polarization-insensitive, wide-angle, compact metamaterial energy harvester for S-band and C-band applications
High-efficient, polarization-insensitive, wide-angle, compact metamaterial energy harvester for S-band and C-band applications Open
This article proposes a polarization-insensitive compact Metamaterial (MM) energy harvester that can be used seamlessly in the S-band and C-band frequencies. It is important to focus on the limitations of many current designs of harvesters…
View article: Design and experimental validation of a compact dual-band metamaterial perfect absorber for electromagnetic energy harvesting applications
Design and experimental validation of a compact dual-band metamaterial perfect absorber for electromagnetic energy harvesting applications Open
This article introduces, characterizes, and experimentally validates an innovative design for a compact-sized
\nmetamaterial (MM) perfect absorber (PA) for electromagnetic (EM) energy harvesting (EH) applications. The
\nabsorber design, co…
View article: Design and development of a compact, wide-angle metamaterial electromagnetic energy harvester with multiband functionality and polarization-insensitive features
Design and development of a compact, wide-angle metamaterial electromagnetic energy harvester with multiband functionality and polarization-insensitive features Open
This article presents a compact, wide-angle, polarization-insensitive metamaterial harvester that can efficiently harvest electromagnetic (EM) energy in the S, C, X, and Ku bands. The harvester's unit cell consists of a split ring resonato…
View article: Metamaterial Inspired Dual Port Dual Circular Polarization Antenna for Small Satellite Communication System
Metamaterial Inspired Dual Port Dual Circular Polarization Antenna for Small Satellite Communication System Open
This paper presents a dual circular polarized C-band patch antenna for a small satellite communication system The antenna consists of two different annular patch structure with three split ring resonators. The antenna is designed consideri…
View article: Compact dual-band metamaterial absorber: Enhancing electromagnetic energy harvesting with polarization-insensitive and wide-angle capabilities
Compact dual-band metamaterial absorber: Enhancing electromagnetic energy harvesting with polarization-insensitive and wide-angle capabilities Open
A novel compact metamaterial (MM) energy harvester optimized for Wi-Fi frequencies (2.4 GHz and 5.8 GHz) is introduced in this study. The energy harvester exhibits polarization insensitivity and versatility across various incident angles. …
View article: Cross enclosed square split ring resonator based on D.N.G. metamaterial absorber for X-band glucose sensing application
Cross enclosed square split ring resonator based on D.N.G. metamaterial absorber for X-band glucose sensing application Open
This article presents a novel real-time meta-material (MM) sensor based on a non-invasive method that operates in microwave frequency ranges at 8.524 GHz to measure blood glucose levels with quality factor 184 is designed and fabricated. A…
View article: New Model For Wilson and Morris–Lecar Neuron Models: Validation and Digital Implementation on FPGA
New Model For Wilson and Morris–Lecar Neuron Models: Validation and Digital Implementation on FPGA Open
The neuron can be referred to as the primary cell of the nervous system, responsible for transmitting messages through electrical signals between neurons or other cells. To comprehend the intricate behavior of neuron performance, a set of …
View article: Revolutionizing Osteoporosis and Bone Fracture Diagnostics: The Emergence of Microwave Antenna Technology
Revolutionizing Osteoporosis and Bone Fracture Diagnostics: The Emergence of Microwave Antenna Technology Open
Osteoporosis, a medical condition distinguished by the reduction of bone mineral density and the consequent degradation of bone structure, poses significant health scrutiny, especially in elderly individuals. The fractures and hospitalisat…
View article: A Compact Tri-Octagonal Negative Index Metamaterial Sensor for Liquid Adulteration Detection
A Compact Tri-Octagonal Negative Index Metamaterial Sensor for Liquid Adulteration Detection Open
View article: FPGA Implementation of Nerve Cell Using Izhikevich Neuronal Model as Spike Generator (SG)
FPGA Implementation of Nerve Cell Using Izhikevich Neuronal Model as Spike Generator (SG) Open
The neuron is sometimes referred to as the “head” or “central” cell of the nervous system since it has the ability to communicate with other neurons or cells via electrical impulses. The hardware realization and simulation of these neurons…
View article: An efficient, compact, wide-angle, wide-band, and polarization-insensitive metamaterial electromagnetic energy harvester
An efficient, compact, wide-angle, wide-band, and polarization-insensitive metamaterial electromagnetic energy harvester Open
This paper introduces a metamaterial energy harvester that is compact, highly efficient, and capable of operating
\nat wide angles. The proposed design has an outer ring resonator housing inverted T-shaped resonators, and it can
\noperate …
View article: Sensor-based microwave brain imaging system (SMBIS): An experimental six-layered tissue based human head phantom model for brain tumor diagnosis using electromagnetic signals
Sensor-based microwave brain imaging system (SMBIS): An experimental six-layered tissue based human head phantom model for brain tumor diagnosis using electromagnetic signals Open
The paper presents the preparation and measurement of six-layered human head phantoms for the sensor-based microwave brain imaging system (SMBIS) for the diagnosis of tumors in the head. The head phantom has been constructed based upon thr…
View article: Corrigendum to “A compact complementary split ring resonator (CSRR) based perfect metamaterial absorber for energy harvesting applications” [Eng. Sci. Technol. Int. J. 45 (2023) 101473]
Corrigendum to “A compact complementary split ring resonator (CSRR) based perfect metamaterial absorber for energy harvesting applications” [Eng. Sci. Technol. Int. J. 45 (2023) 101473] Open
View article: A compact-sized four-band metamaterial-based perfect absorber for electromagnetic energy harvesting applications
A compact-sized four-band metamaterial-based perfect absorber for electromagnetic energy harvesting applications Open
This study presents a novel, compact-sized four-band metamaterial absorber that can be used for ambient Energy Harvesting (EH). The absorber was analyzed both numerically and experimentally. The structure size is 10 × 10 × 1.575 mm3, and i…
View article: A compact complementary split ring resonator (CSRR) based perfect metamaterial absorber for energy harvesting applications
A compact complementary split ring resonator (CSRR) based perfect metamaterial absorber for energy harvesting applications Open
A novel Compact Complementary Split Ring Resonator (CSRR) metamaterial unit cell with perfect absorption, beneficial for ambient power harvesting, is proposed to operate in the S- and C-band. The size of the structure is 15 × 15 × 1.575 mm…
View article: Author Correction: Double-negative metamaterial square enclosed Q.S.S.R For microwave sensing application in S-band with high sensitivity and Q-factor
Author Correction: Double-negative metamaterial square enclosed Q.S.S.R For microwave sensing application in S-band with high sensitivity and Q-factor Open
Correction to: Scientific Reports https://doi.org/10.1038/s41598-023-34514-z, published online 05 May 2023 The original version of this Article contained an error in Affiliation 4, which was incorrectly given as ‘Department of Electrical E…
View article: Double-negative metamaterial square enclosed Q.S.S.R For microwave sensing application in S-band with high sensitivity and Q-factor
Double-negative metamaterial square enclosed Q.S.S.R For microwave sensing application in S-band with high sensitivity and Q-factor Open
Metamaterials have gained much attention due to their exciting characteristics and potential uses in constructing valuable technologies. This paper presents a double negative square resonator shape metamaterial sensor to detect the materia…
View article: The Economic Impact of AI-Driven Carbon Emission Reduction Strategies in Large-Scale Industrial and Office Settings
The Economic Impact of AI-Driven Carbon Emission Reduction Strategies in Large-Scale Industrial and Office Settings Open
The swift impacts of climate change have compelled corporations and extensive office and industrial establishments to pursue new strategies for diminishing carbon emissions while ensuring economic sustainability. In this context, Artificia…
View article: A Central Spiral Split Rectangular-Shaped Metamaterial Absorber Surrounded by Polarization-Insensitive Ring Resonator for S-Band Applications
A Central Spiral Split Rectangular-Shaped Metamaterial Absorber Surrounded by Polarization-Insensitive Ring Resonator for S-Band Applications Open
This paper reports a central spiral split-rectangular-shaped metamaterial absorber surrounded by a polarization-insensitive ring resonator for s-band applications. The rated absorption is 99.9% at 3.1 GHz when using a three-layer structure…
View article: Online Teaching and Challenges of Teachers
Online Teaching and Challenges of Teachers Open
Online teaching is a medium of teaching where the educators deliver their instruction via internet with electronic gadgets from anywhere and anytime (synchronous and asynchronous mode). Opening from the spring of 2020, COVID-19 pandemic fo…
View article: Hexagonal Resonator Loaded Star Shaped Polarization Insensitive Compact Broadband Zero Indexed Nano-Meta Absorber for Optical Region Applications: A Numerical Approach
Hexagonal Resonator Loaded Star Shaped Polarization Insensitive Compact Broadband Zero Indexed Nano-Meta Absorber for Optical Region Applications: A Numerical Approach Open
Broadband response metamaterial absorber (MMA) remains a challenge among researchers. A nanostructured new Zero Indexed Metamaterial (ZIM) absorber is presented in this study, which is constructed with a hexagonal shape resonator for the o…
View article: DNG Metamaterial Reflector Using SOCT Shaped Resonator for Microwave Applications
DNG Metamaterial Reflector Using SOCT Shaped Resonator for Microwave Applications Open
In this paper, the triple reflection band split O circled T (SOCT) shape metamaterial resonator is presented based on the transmission line principle. This paper aims to develop a miniature metamaterial resonator that can simultaneously pe…
View article: Linear regression of sensitivity for meander line parasitic resonator based on ENG metamaterial in the application of sensing
Linear regression of sensitivity for meander line parasitic resonator based on ENG metamaterial in the application of sensing Open
View article: Computational analysis of octagonal torus-shaped nano meta-atom through fractional absorption bandwidth for applications in the terahertz regime
Computational analysis of octagonal torus-shaped nano meta-atom through fractional absorption bandwidth for applications in the terahertz regime Open
View article: SNG and DNG meta-absorber with fractional absorption band for sensing application
SNG and DNG meta-absorber with fractional absorption band for sensing application Open
This paper reports on a tunable transmission frequency characteristics-based metamaterial absorber of an X band sensing application with a fractional bandwidth. Tunable resonator metamaterial absorbers fabricated with dielectric surface ha…