This project explores whether time-frequency techniques can be utilized in a ground penetrating radar system. The system studied is the HUMUS system which has been developed at FOI, and which is used for the Continue reading
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Blind PARAFAC Receivers for DS-CDMA Systems
This paper links the direct-sequence code-division multiple access (DS-CDMA) multiuser separation-equalization-detection problem to the parallel factor (PARAFAC) model, which is an Continue reading
Irregularly Sampled Signals: Theories and Techniques for Analysis
This project is about sampling theory and methods for analysing signals that have been sampled at irregularly spaced points. Irregular sampling may arise naturally (examples of its occurrence may be found in geophysics, tomography, astronomy, and Continue reading
Wireless Power Transmission Methods
Wireless power transmission is an old idea, as old as use of electricity. Early experiments performed by Nikola Tesla still capture the imagination of young engineers even Continue reading
Analysis of Fixpoint Aspects for Wireless Infrastructure Systems
A large amount of today’s telecommunication consists of mobile and short distance wireless applications, where the effect of the channel is unknown and changing over time, and thus needs Continue reading
Further Cost Reduction of Battery Manufacturing
ABSTRACT
The demand for batteries for energy storage is growing with the rapid increase in photovoltaics (PV) and wind energy installation as well as electric vehicle (EV), hybrid electric vehicle (HEV) and plug-in hybrid electric vehicle (PHEV). Continue reading
Multicore, Multithreaded, Phase-synchronous Fm Sound Synthesizer
ABSTRACT
This project implements a phase-synchronous FM synthesis algorithm in hardware. Envelope and low frequency oscillator modulation of oscillator parameters is implemented. The microcontroller the system is based on, the XMOS XS1-G4, allows for Continue reading
Robust Unconstrained Face Detection and Lip Localization Algorithm Using Gabor Filters
ABSTRACT
Automatic speech recognition (ASR) is a well-researched field of study aimed at augmenting the man-machine interface through interpretation of the spoken word. From in-car voice recognition systems to automated telephone directories, automatic Continue reading
A Reliable Timing System Using RFID
Timing systems for outdoor competitions recently started to use Radio Frequency ID (RFID) technology, to simplify and make precise time registrations of the participants. A couple of application for this usage exists on the Continue reading
Control of Temperature Using Fuzzy System Technique
Fuzzy control is based on fuzzy logic. A logical system that is much closer in spirit to human thinking and natural language than traditional crisp logical systems. The fuzzy logic variables are not described as true or false values. Instead values range in Continue reading
Digital Guitar Effects Unit and Amplifier
ABSTRACT
This report outlines the design and implementation of a digital guitar effects unit and amplifier. The main portion of this project consisted of the digital equalizer and effects. Several commercial equalizers were researched in order to decide the typical Continue reading