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

Now showing items 141-160 of 775

Classification of focal and non-focal epileptic EEG signals inEMD-wavelet domain

Das, Anindya Bijoy (Department of Electrical and Electronic Engineering , BUET, 2017-12-31)

In this thesis, a comprehensive analysis of focal and non-focal electroencephalography is carried out in the empirical mode decomposition (EMD) and discrete wavelet transform (DWT) domains. First, the analysis is carried ...
Weighted centroid based localization for wireless video capsule endoscope

Umma, Hany (Department of Electrical and Electronic Engineering , BUET, 2017-09-23)

Most of the existing received signal strength indicator (RSSI) based wireless video capsule endoscope (VCE) localization algorithms employ trilateration or triangulation positioning techniques which require accurate ...
Analytical development for the propagation characteristics of epsilon-near-zero metamaterial waveguides with embedded defects

Sami Ul Hoque (Department of Electrical and Electronic Engineering, BUET, 2017-09-17)

This thesis presents analytical and numerical studies on the effects of shapes and permittivities of embedded defects in epsilon-near-zero (ENZ) metamaterials based waveguides on their electromagnetic wave propagation ...
Investigation of a three phase switch mode single ended primary inductor converter power factor corrected rectifier

Lubaba Bashar, Khandaker (Department of Electrical and Electronic Engineering, BUET, 2017-07-23)

ABSTRACT Input switched SEPIC topology based output voltage regulated 3-phase 3-switch modular rectifier circuit is proposed and developed in this thesis. Fully controlled three phase converters consisting of six controlled ...
Strain tunable bandgap of silicene on monolayer gallium phosphate

Sarah Nahar Chowdhury (Department of Electrical and Electronic Engineering, BUET, 2017-09-26)

Possibility of band gap in zero-gap silicene having linear dispersion and massless fermions has been a critical issue for it applications in nanoelectronics particularly with lowered carrier mobility trade off. In this ...
Design and characterization of carbon nanotube based ultra high speed nanomotor in water

Mushfiqur Rahman, Md. (Department of Electrical and Electronic Engineering, BUET, 2017-11-01)

This thesis proposes a carbon nanotube based novel nanomotor structure that is capable of rotating at an ultrahigh speed. Using molecular dynamics simulations, it is shown that a carbon nanotube (CNT) suspended in water ...
Measurement of QoS parameters and comparative performance analysis of the major mobile networks in Bangladesh

Zafar Sadiq, Md. (Department of Electrical and Electronic Engineering, BUET, 2017-03)

The main purpose of this thesis is to study the mobile network, in terms of coverage and quality of service. Mobile communication played a vital role in changing the social, economic and technological change in Bangladesh ...
Optimal allocation of transmit power and bits per channel use in competitive cognitive radio networks

Neelanjana, Subin Ferdous (Department of Electrical and Electronic Engineering, BUET, 2017-05-27)

Cognitive radios (CRs) are considered as a possible enabling solution for Dynamic Spectrum Access (DSA) systems. In a DSA system, a cognitive radio adapts to the environment by sensing the spectrum and takes quick decision ...
Fast and simple power flow control algorithm for a grid connected photovoltaic inverter

Rabayet, Sadnan (Department of Electrical and Electronic Engineering, BUET, 2017-07)

A fast real and reactive power flow control algorithm for a single phase grid tie photovoltaic inverter is developed. In previously reported methods, which are available in the literatures are complex in nature. And thus ...
Investigation of a single phase unidirectional switch mode cuk power factor corrected (PFC) rectifier

Shahinur, Rahman (Department of Electrical and Electronic Engineering, BUET, 2017-07-23)

Singlephasedioderectifiersarewidelyusedin industrial, commercial, utility and domesticapplications.Manyinputwaveshapingmethodshavebeenproposedtosolvetheproblem ofpoorpowerfactorwhichcanbeclassifiedasactiveandpassivemethods.Four ...
Investigation of a single phase unidirectional switch mode cuk power factor corrected (PFC) rectifier

Shahinur, Rahman (Department of Electrical and Electronic Engineering, BUET, 2017-07-23)

Singlephasedioderectifiersarewidelyusedin industrial, commercial, utility and domesticapplications.Manyinputwaveshapingmethodshavebeenproposedtosolvetheproblem ofpoorpowerfactorwhichcanbeclassifiedasactiveandpassivemethods.Four ...
Development of a controlled rectifier for variable power factor operation using pulse width modulation

Das, Ratul (Department of Electrical and Electronic Engineering, BUET, 2017-07)

Generally uncontrolled rectiﬁer is made of diodes and controlled rectiﬁers are made of thyristors. Both these types of rectiﬁers distorts the input current in a way that the shapes of the current are nonsinusoidal. These ...
Design of EM Wave Based MAC Protocols for Underwater Sensor Networks with TDMA based Control Channel

Ibrahim Ibne Alam, Md. (Department of Electrical and Electronic Engineering, BUET, 2017-05-20)

Underwater communication is the major tool for exploring vast underwater space, which is extremely critical for the progress of human race. To perform communication in underwater, sensors are deployed to form underwater ...
Modeling and design of a magnetic anomaly detection system for underwater surveillance considering stratified isotropic medium

Dautta, Manik (Department of Electrical and Electronic Engineering, BUET, 2017-08)

This thesis presents a method of underwater surveillance of ferromagnetic objects based on Magnetic Anomaly Detection. A numerical method of calculating electromagnetic fields produced by the elementary dipole sources in ...
Design and development of cost effective regenerative braking system for motor operated vehicle

Adnan, Mohammad (Department of Electrical and Electronic Engineering, 2017-06-03)

Nowadays, the electric vehicles are becoming very popular due to easy operation, no fuel usage and smoother function. Moreover, the fare it takes from the passenger is quiet reasonable. However, it requires huge electric ...
Multicriteria optimization of design of a grid interfaced PV-wind power system

Abubokar Talukdar, MD. (Department of Electrical and Electronic Engineering (EEE), 2017-03)

Integrated renewable energy systems are considered to be the most promising sustainable power generation solution in the near future. Due to the technological developments in the last two decades, development of renewable ...
Design and performance analysis of an efficient GaAs/AlGaAs heterojunction bipolar transistor solar cell

Sakib Hassan (Department of Electrical and Electronic Engineering (EEE), 2017-03)

In this work, we propose a highly efficient three-terminal heterojunction bipolar transistor solar cell. We have chosen GaAs/AlGaAs material system in this regard for its excellent optoelectronic properties. Rigorous optical ...
Optoelectronic analytical modeling and performance evaluation of bulk heterojunction organic solar cells under oblique incidence

Sadman Sakib Rahman, Md. (Department of Electrical and Electronic Engineering (EEE), 2017-05)

In this thesis, we analyze the effect of incidence angle on the performance of bulk heterojunction organic solar cells. In this regard, we present an analytical optoelectronic model for describing the current-voltage ...
High performance non-volatile ternary content addressable memory design using memristor-MOSFET hybrid architecture

Farhana Parveen (Department of Electrical and Electronic Engineering (EEE), 2016-12)

Content Addressable Memory (CAM)accesses a stored data word based on its contents, compares it with a search word and returns the address of the matched word. This comparison and search operationsare done within the ...
Performance analysis of a mimo multi-carrier code division multiple access wireless communication system with smart antenna

Atif Iqbal (Department of Electrical and Electronic Engineering (EEE), 2016-02)

Multicarrier CDMA wireless communication systems are very much attractive due to its insensitivity to frequency selective fading, diversity in frequency and high spectral efficiency. Numerous research works are reported ...

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