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Dissertations/Theses - Department of Electrical and Electronic Engineering: Recent submissions

Now showing items 121-140 of 775

Investigation of a single phase multi-output ac-dc flyback rectifier with high power factor correction unit

Didarul Alam, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-09-29)

A new topology of power factor corrected AC-DC flyback rectifier-fed multilevel single phase inverter is proposed and developed here. The proposed circuit consists of AC-DC flyback rectifier and multilevel inverter. ...
Specific quality of service constrained optimal allocation of transmit power and bits in noma systems

Didarul Islam, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-06-25)

Non-Orthogonal Multiple Access (NOMA) is considered to be one of the possible enabling solutions for achieving the high spectrum efficiency required for 5G commu- nication. NOMA allows multiple users to share time and ...
Design of a single input triple output DC-DC converter for solar home system

Tanvir, Ahmad (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-03-31)

A new improved model of isolated three port converter (ITPC) is designed along with single input triple output (SITO) attribute for solar home system (SHS). The input side of the converter is connected to a PV panel as a ...
Automatic detection of sleep apnea using eeg signal based on modeling of feature variation pattern in time-frequency domains

Bhattacharjee, Arnab (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-09-12)

Sleep apnea, a serious sleep disorder affecting a large population, causes disruptions in breathing during sleep. For diagnosis, sleep experts manually score the apnea events in overnight polysomnography, which is expensive, ...
Dynamic-adaptive centralized frequency arresting methodology to prevent power system blackout

Arifur Kabir, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-07-02)

Several catastrophic global blackouts have occurred, including Bangladesh, in the last few years. Inefficient design of existing load shed schemes is one of the critical reasons to prevent larger blackout footprint. However, ...
Thermal transport characterization of silicene supported honeycomb patterned group IV bilayer nanostructures

Maliha, Noshin (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-08-12)

The compatibility of the silicene, a silicon analogue of graphene, with the current semiconductor technology and the realized low thermal conductivity in the silicene nanostructures indicate the appealing prospect of ...
Design of plasmonic nanostructures for single molecule detection based on fluorescence dependent surface Plasmon coupled emission

Mukhlasur Rahman Tanvir, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-08-13)

Surface plasmon-coupled emission (SPCE) is the complementary phenomenon of surface plasmon resonance (SPR), where the light emitted from a fluorescent molecule couples into the adjacent thin metal layer resulting in highly ...
Design and simulation of battery-less effective water pumping system using new MPPT algorithm

Debnath, Anjan (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-05-30)

This thesis conducts the design and simulation of a simple but efficient photovoltaic water pumping system and this work also analyzes a mathematical linear programming based graphical model to provide the best economical ...
Quantum mechanical analysis of transport phenomena through 2d transition metal dichalcogenide material based tunnel field effect transistor

Paul, Tanmoy Kumar (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-08-13)

In this thesis, a self-consistent simulator using Non Equilibrium Green’s Function (NEGF) method has been designed for single layer two dimensional Transition Metal Dichalchogenide (TMD) based vertical heterojunction tunnel ...
Reduction of mixed gaussian-impulse noise using deep convolutional neural network

Tariqul Islam, Mohammad (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-07-18)

The removal of mixed-noise is an ill-posed problem due to high level of non-linearity in the distribution of noise. Most commonly encountered mixed-noise is the combination of additive white Gaussian noise (AWGN) and impulse ...
Modeling of envelope power spectra for reference-free ultrasonic attenuation estimation of soft tissue

Hadiur Rahman Khan, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-08-13)

Estimation of ultrasonic attenuation coefficient (AC) is essential for quantifying and characterizing the features of tissue microstructure. In the conventional AC estima- tion methods, a well-specified reference phantom ...
Compact analytical model for monolayer transition metal dichalcogenide channel field effect transistors

Ayaz Masud, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-04-07)

In recent years, researchers have been very excited about the prospects of 2-D transition metal dichalcogenides (TMD) as a suitable semiconducting material for the channel in transistor devices. In order to evaluate their ...
Development of a simulator for transition metal dichalcogenide channel field effect transistors incorporating quantum mechanical effects

Islam, Md. Shafiqul (Department of Electrical and Electronic Engineering, 2018-04-07)

In recent years, Transition Metal Dichalcogenides (TMDs) have gained broad interest as the channel materials of Field Effect Transistors (FETs) after the development of fabrication and growth of two dimensional (2D) ...
Neuromuscular activity classification based on autoregressive modeling of time-frequency domain decomposed surface EMG signal

Gholam Rosul, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-04-16)

Electromyography (EMG) measures electrical activity in the muscle due to neuromuscular activities. It is acquired either by needle (nEMG) or by surface (sEMG) electrodes. The sEMG is getting popularly because of its ...
Thermal transport characterization and bandgap opening through electronic functionalization in stanene nanostructure

Asir Intisar Khan (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-05-12)

In this study, equilibrium molecular dynamics simulation has been performed to characterize the thermal properties of stanene nanoribbons (STNRs). The room temperature thermal conductivities of pristine 10-nm x 3-nm zigzag ...
Performance analysis of a polarization division multiplexed fiber-optic transmission system

Abu Taher, Kazi (Department of Electrical and Electronic Engineering , BUET, 2017-12-05)

Capacity of multi-wavelength optical transmission systems are very much limited by fiber nonlinear effects such as self-phase modulation (SPM), cross-phase modulation (XPM), four-wave mixing (FWM) and crosstalk due to ...
Mental task classification utilizing interchannel relationship of eeg signal based on wavelet and empirical mode decompostition

Mostafizur Rahman, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2017-10-07)

In view of recent increase of brain computer interface (BCI) based applications, the importance of efficient classification of various mental tasks has increased prodi-giously now-a-days. For effective classification ...
Ber performance analysis of a MC-DS-CDMA wireless communication system with rake receiver employing MRC under Nakagami-M fading

Anupama Tasneem (Department of Electrical and Electronic Engineering (EEE), BUET, 2017-09-16)

Multicarrier code-division multiple access is a promising spread spectrum transmission technique where each input data stream is partitioned into parallel sub streams that are modulated at different subcarriers. In MC CDMA ...
Minimization of radiation exposure from mobile phone base stations by power controlling and coordinated multipoint joint transmission

Zubaer, Molla Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2017-07-31)

Radiation hazard from rapidly increasing BSs of cellular communication network is a burning issue of the day. A significant number of studies have been done on the effect of electromagnetic radiation. The number of research ...
Signal reforming algorithm based three-phase pll under unbalanced and distorted conditions in the grid

Fahmid Sadeque (Department of Electrical and Electronic Engineering (EEE), BUET, 2017-08-20)

Fast and accurate estimation of the grid voltage phase angle is crucial for grid synchronization of power converters, flexible AC transmission systems (FACTS) devices, power line conditioners, regenerative drives, uninterrupted ...

Now showing items 121-140 of 775

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