Browsing by Department "Electrical Engineering"
Now showing items 61-80 of 278
Design and Implementation of a Dual Excited Planar Circular Array Antenna for Base Stations
(2009-11-13)
Smart antennas present a promising solution to the present day capacity and coverage shortage in mobile wireless communications. These intelligent antennas when used at the base station can avoid a lot of interference by ...
Design and Implementation of Digital Current Mode Control
(2015-05-11)
Presented in this dissertation are three digital control methods of current mode control for switch-mode power supplies. Both the current and voltage loop are implemented on the digital processor. Digital versions of peak ...
Design and Implementation of High-Speed Low-Power Analog-to-Digital and Digital-to-Analog Converters
(2010-04-28)
With the rapid development of modern communication and personal wireless products, there are increased demands for next generation communication transceivers that feature ultra-high data conversion rates with reconfigurable ...
Design and Implementation of RF Receiver Front-end and Tunable Filter
(2010-04-29)
In this work, several novel topologies for RF receivers, like reconfigurable wideband low noise amplifier (LNA), mixers with gain reuse, high resolution digitally controlled oscillator and the low power wideband receiver ...
Design and Optimization of Free Space Optical Networks
(2010-11-12)
Recent advances in wireless communication technologies and the explosive growth of the number and variety of mobile devices and multimedia applications motivate the development of next generation wireless networks, i.e., ...
Design and Simulation of a High Frequency Exactly Solvable Chaotic Oscillator
(2012-07-27)
It has been shown that the performance of communication systems based on low dimensional chaotic systems with exact analytic solutions containing a single fixed basis function may exhibit performance comparable to that of ...
Design and Testing of an Electronic Load Board for Power Supply Validation and Verification
(2014-05-05)
As the need for high efficiency in power supplies increases, so does the need to test and verify the designs of the supplies. To test the design, efficiency, and reliability of a low-voltage, high-current power supply, an ...
Design of 3.33GHz CML Processor Datapath
(2012-04-17)
Almost a decade processor speed has been stuck at operating frequency 2-3GHz due to excessive power consumption of CMOS logic gate at higher frequency whereas predicted speed at present was 10-15GHz. This leads the idea ...
Design of Low-Voltage Broadband Folded Blixer for SDR Application
(2013-11-11)
Recent years, a large number of researches have been made on the software-defined radio (SDR) architectures. SDR is radio communication systems where typical functions have been implemented in hardware (e.g. mixers, filters, ...
Design of Reconfigurable Baseband Filter
(2010-11-19)
With the rapid development of worldwide wireless communication networks, mobile terminal devices compatible for multi-standard and various applications are needed. Software defined radio is a suitable answer to those demand. ...
Design of Wide Band Transformer-Based Oscillator and Capacitive Coupled Multi-Phase VCO
(2013-11-11)
Since globe wireless demand is increasing rapidly, more delicate and functional radio frequency (RF) devices are required. Software defined radio (SDR) has been introduced to address the challenges in this complicated ...
Design, Fabrication, and Characterization of a Short Range, Multi Band Frequency Jammer
(2015-05-06)
The purpose of this thesis is to show how frequency jamming against wireless communication systems can be achieved in a modular form so multiple bands can be targeted depending on the need. In this thesis, the basic ...
Designing LC Ladder Filters with Lossy Elements
(2013-01-24)
Many publications and many books have been written on LC Ladder filters, however, most of the material in circulation only deals with ideal (lossless) LC ladder filters. It is assumed that in the lossless design, all of ...
Designs of Substrate Integrated Waveguide (SIW) and Its Transition to Rectangular Waveguide
(2015-05-11)
There has been an ever increasing interest in the study of substrate integrated waveguide (SIW) since 1998. Due to its low loss, planar nature, high integration capability and high compactness, SIW has been widely used to ...
Detecting and Characterizing Voltage Sags and Swells Using RMS Variation Calculations
(2014-11-24)
Power quality is of increasing interest in the field of power engineering. Analyzing variations in power quality is essential to determining the causes of fluctuations in the power system. Sifting through data to find ...
Detecting stalled or slow-moving vehicles at night by Optical Sensing - a feasibility study
(2014-12-04)
In developing countries and areas without adequate infrastructure, a system that can work towards automobile accident reduction without heavy infrastructural dependence or in-vehicle installation will have a shorter ...
Detection and Mitigation of Electrostatic Pull-in Instability in MEMS Parallel Plate Actuators
(2013-07-19)
Electrostatic MEMS actuators are used in a wide variety of applications including micro-
machined gyroscopes, high speed mechanical switches, variable capacitors, and vibration
isolation devices. MEMS parallel plate ...
Development of a GPS Software Receiver on an FPGA for Testing Advanced Tracking Algorithms
(2010-07-20)
In this thesis, the development of an FPGA-based software GPS receiver with a special focus on advanced tracking algorithms is developed. The particular algorithms of note in this thesis are in a class known as vector ...
Development of an Improved RF Band-Pass Filter using CSRR Metamaterial Structures on an LCP Substrate
(2015-05-11)
For over a decade, academic exploration into the emerging field of metamaterial technology has resulted in advancements in the design of myriad devices such as oscillators, antennas, transmission lines, superlenses, and ...
Development of Multi Chip Modules for Extreme Environments
(2010-05-10)
Multi chip module technology offers numerous advantages such as reduced signal delays, higher performance, lower power consumption, smaller space, its simplification. In this paper, the
fabrication process of multi chip ...