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

Now showing items 641-660 of 775

Design of microwave bandpass filters using half wave digital tem lines

Mainul Hasan (Department of Electrical and Electronic Engineering, 1983-08)

For abstract please see full text
Study of inversion layer quantum capacitance of MOS structures

Maherin Matin (Department of Electrical and Electronic Engineering, 1995-08)

MOSFETs are extensively used in Ie fabrication. Improvement of the~ VLSI technology has resulted in device dimensions of the order of fractions of a micron. In MOSFETs with increased substrate doping levels and reduced ...
Neural net controller for industrial boiler systems

Shoib, Mohammed (Department of Electrical and Electronic Engineering, 1997-04)

Boiler is the heart of the chemical process industries like fertilizer manufacturing plant. Automatic boiler control system is desirable for safe, economic and reliable operation of the industry. Conventional three ...
Analysis of an electronic phase shift circuit for starting a single phase induction motor

Mahbubur Rahman (Department of Electrical and Electronic Engineering, 1996-07)

Fractional horse power single phase induction motors have no starting torque of their own. As a result, these motors are started by auxiliary methods. Now-a- days, single phase induction motors having large horse power ...
Investigation into the wave diffraction by small obstacles for directive propagation and measurement of dielectric constant of Bangladesh soil

Mahbubul Hoque (Department of Electrical and Electronic Engineering, 1977-12)

For abstract please see full text
Analytical modelling and temperature dependence of threshold voltage in short channel fully depledted cylindrical gate MOSFET

Mahbuba Rahman (Department of Electrical and Electronic Engineering, 2000-12)

A novel physics-based analytical model for short-channel effects in thin film fully depleted cylindrical gate MOSFET has been presented in this thesis. The scaling parameter was derived from the cylindrical form of ...
Analysis of x-ray photoelectron spectroscopy data of phosphorous doped carbon films deposited by pulsed laser ablation

Mahbub Alam (Department of Electrical and Electronic Engineering, 2005-10)

X-ray photoelectron spectroscopy (XPS) data obtained experimentally on phosphorous doped carbon films are analyzed using a specialized free software XPSPEAK 4. I to find out the atomic structure of doped carbon films. ...
Analysis of wavelength shift keying technique with dispersion management scheme of reduce four-wave mixing effect on optical WDM system

Faisal, Mohammad (Department of Electrical and Electronic Engineering, 2003-12)

Optical wavelength division multiplexing (WDM) system using low dispersion fibers and erbium-doped fiber amplifiers (EDF A) is getting tremendous popularity for communication networks due to its high information capacity, ...
Simultaneous compensation of reactive and harmonic components of line current using superconducting magnet energy storage

Azizur Rahman, M. M. (Department of Electrical and Electronic Engineering, 1996-06)

A simple on-line compensation scheme to compensate the reactive, hannonic and sub-hannonic components of line current is proposed in this thesis. The on-line compensation scheme is based on the fact that if a current of ...
Design and analysis of an active filter based sinusoidal input current resonant inverter

Moonem, M.A. (Department of Electrical and Electronic Engineering, 2008-04)

Harmonic pollution has become a serious problem in power systems due to non linear loads connected to the utility line. The injected harmonics can result in a low power factor and various other problems such as: ...
Estimation of AR model of vocal folds for speaker identification

Zamir Uddin Ahmad, Kazi (Department of Electrical and Electronic Engineering, 2005-05)

In this thesis, speaker identification is done by the AR model parameters of the vocal folds. Speaker identification needs extraction of speaker discriminative features. Melfrequency cepstral coefficients (MFCC) and ...
Study of the anomalous threshold voltage of a short - Channel mosfet

Das, Krishna Pada (Department of Electrical and Electronic Engineering, 1994-05)

MOSFETs in integrated circuits have become smaller and smaller in order to achieve higher packaging density and to reduce cost. Reducing channel length of a MOSFET leads to undesirable effects in device characteristics. ...
Analysis of electron flow in potential channel structures discontinuous in transverse dimension

Khwaja Mustafizur Rahman (Department of Electrical and Electronic Engineering, 1990-04)

Potential channel structures having single and double discontinuities in lateral dimensions are studied in detail. A matrix formulation has been developed using the continuity conditions for the electron wave function ...
Application of a single electron transistor in a rate controlled oscillator

Zakir Ahmed, Khondker (Department of Electrical and Electronic Engineering, 2008-06)

An application of the nano-electronic quantum device single electron transistor (SET) is presented in this thesis work. With the operating principle described, a circuit is proposed with the name of 'rate controlled ...
Fuzzy incorporated noise compensation technique for autoregressive spectral estimation

Iftekhar Uddin Ahmed, Khawza (Department of Electrical and Electronic Engineering, 2000-06)

This thesis deals with the problem of autoregressive (AR) spectral estimation from a finite set of noisy observations without a priori knowledge of additive noise power. For single channel case a joint technique is ...
Quantum mechanical modeling of charge trapping/detrapping phenomena in CMOS devices with high-k stack gate dielectrics

Farhan Shahil, Khan Mohammad (Department of Electrical and Electronic Engineering, 2007-07)

Electrical instability is one of the major concerns regarding high-K-based field-effect transistors (FETs); threshold-voltage (VT) shifts observed in pulsed measurements is considered to originate from the tunneling of ...
Self-Consistent calculation of direct tunneling gate leakage current in deep submicron n- and p-MOSFETs in presence of inelastic scattering

Khairul Alam (Department of Electrical and Electronic Engineering, 2002-03)

Direct. tunneling gate leakage current in both n- and p-MOS devices with ultra-thin gate-oxide is studied. The effects of inelastic scattering of the inversion carriers, tunneled into the gate-oxide region, on the direct ...
Design and analysis of a resonant inverter fed from a Cuk converter for use in a remote area telecom system

Mahbubur Rahman, M (Department of Electrical and Electronic Engineering, 2008-01)

In remote areas various security forces and law enforcing agencies need to use modem tools and communication equipments for national interest and security. Also, in hilly areas and tactical points of the country, the ...
Low distortion speech enhancement in the DCT domain using optimal estimate of the a priori SNR

Lutfa Akter (Department of Electrical and Electronic Engineering, 2004-02)

The spectral subtraction based algorithms are commonly used for single channel speech enhancement because of their elegant performance in denoising with low cOlllputationalload. They, however, suffer from a serious ...
8085-Based universal EPROM programmer

Khandaker Atwar Hossain (Department of Electrical and Electronic Engineering, 1985-01)

For abstract please see full text

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