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This paper presents an analysis of the effective capacitance of one-port S-band gallium nitride high electron mobility transistor (GaN HEMT) non-Foster negative-reactance circuit. The analysis was carried out at Sband frequency ranges of 4.08 GHz to 4.11 GHz …
Rogowski coil is considered an electrical device used for the measurement of Alternating Current (AC) or high-speed current pulses from other devices. It has gone through many stages of development towards improving its performance and applications. It has b…
This work aimed at providing a qualitative analysis of technical losses in transmission lines using Nigerian 330 kV lines as a case study. The specific objectives of this study include mathematical modeling of the Nigeria transmission network, incorporating …
In this study, an intelligent multi-criteria handoff algorithm that allowed forthe selection of the optimal network segment based on a variety of parameters was designed and analyzed. The suburban area environment was taken into consideration in this study. …
Face recognition is a critical and challenging task in the field of computer vision and biometrics, with applications ranging from security and surveillance to human-computer interaction. In recent years, deep learning techniques, particularly deep convoluti…
This research is on comparison analysis of Hata model and the Walfisch - Bertoni model for propagation prediction. It attempts to describe two reliable path loss prediction techniques used in both rural and urban environments, starting with the radio propaga…
This work presents performance evaluation of forecasted data and trained data in long-short term memory (LSTM) prediction of device to device (D2D) communication in long range (LoRa) based network. The received signal strength indicator (RSSI), the path loss…
The ability to produce energy from gasoline generator exhaust gas, which is commonly wasted and has a tendency to contaminate the environment, is an admirable and constructive accomplishment. However, using the prototype engine to produce this power results …
A wireless sensor network (WSN) is a network consisting of miniaturized smart sensors communicating the information gathered or collected from a monitored environment via a wireless link. The sensors are capable of sensing the events within their environment…
The developments have been truly alarming since the inception of mobile wireless technology which has been beneficial in many ways and this has also increased the general population exposure to electromagnetic radiations as electromagnetic radiations are the…
The Robotic Fire Extinguisher with Machine Learning detection algorithms and Artificial Intelligence (Al) Embedded Camera represents a significant advancement in fire safety technology. This research developed a robotic system equipped with state-of-the-art …
This paper presents an investigation of the cut-off frequency of 500 µm (4 x 125 µm) monolithic microwave integrated circuit (MMIC) gallium nitride high electron mobility transistor (GaN HEMT) device at 10V, 16V and 20V drain voltages from 1 to 25 GHz. The G…
The effects of atmospheric attenuations on frequency bands in satellite communication cannot be over emphasized. Atmospheric attenuations such as cloud, rain, oxygen and water vapor attenuations have much significant effect on the transmission and receiving …
Nigeria is faced with endemic electricity generation problem which has remained a big obstacle to her becoming one of the developed nations of the world despite her being endowed with vast natural resources. There exist many power generating stations in Nige…
This paper proposes an application of H-bridge voltage source inverter topology with proportional integral controller in a photovoltaic power conditioning system. A very crucial part of power conditioning system (PCS) for energy sustainability is photovoltai…
This paper proposes a high efficiency Doherty Power Amplifier for 5G wireless communication systems. The power amplifier (PA) was designed based on WIN NP2500 GaN HEMT biased with drain supply voltage of 28 V at quiescent drain-to-source (IDSq) of 13mA for t…
Analysis and prospect on Waste to Energy for electricity generation conducted within Aba metropolis establishes a knowledge that about 173.3million kg of waste per annum can effectively generate about 426.07GWhr to 883.32GWhr electricity per annum dependent …
Correct sensing, transmission and display of revolution per minute (rpm) speed of shafts is very important for smooth running and control of induction motors. Speed sensors sense shaft speed. Therefore, sensors are a critical component in a motor control sys…
This paper provides an overview of the research investigation into industrial production line network scheduling control systems. Production environment like beverage industry is a dynamic setting where unforeseen events can happen at any time. These disturb…
This work concerns the design of a combined microwave and a conventional hot air drying system for application in agricultural products. Storage stability of dry food products depend on the state at which the drying process is finished. Because of undesirabl…