This examination project is carried out for Waséns Traffic School in Linköping. The task was to develop a completely new windows application and a webpage that connects to the same MySQL database. The windows application (ATSV) is a program intended to carry out all the administrative tasks that a clerk at a traffic school may need: pupil management, reservations, billing and register functions. The applications was developed in C++ using Visual C++ from Microsoft. The connection to the MySQL database was made possible by using the class package MySQL++.

Antalet tjejer på elprogrammet/Datorteknik har alltid varit lågt men borde inte vara det eftersom det finns betydligt fler tjejer som sedan arbetar i de yrken vi utbildar för. Undersökningen avser att ta reda på vilka faktorer som hindrar tjejer från att söka elprogrammet och om man kan påverka dessa faktorer. Faktorer som undersöks är sociokulturella, institutionella, biologiska och hur man använder sig av tekniken. Det finns både faktorer som går att påverka och faktorer som inte går att påverka. Samhällets inställning till tjejer som satsar på teknik är svårare att påverka än att tjejer inte tycker att datorer och teknik är roligt. Undersökningen visar att det största problemet är tjejernas tilltro till sin praktiska förmåga, men det verkar i alla fall som att det går att påverka tjejerna att bli mer intresserade av elprogrammet med riktade insatser..

In this thesis some different modulation schemes for xDSL-techniques are compared. The investigated techniques are ADSL, G.lite, ADSL2, HDSL, SHDSL and VDSL. The modulation methods used are DMT, CAP and different versions of PAM. Several broadband techniques also use Trellis Coded Modulation (TCM) to increase the coding gain of the transmission. For each one of the different modulation methods the signal-to-noise ratio is calculated for generating a bit error rate probability of 10-7.

This degree project is made for Sundbyholms Golf&Country Club in Eskilstuna. The aim of the report is to produce a website which include a golf course interactive guide and an online game. Programs that have been used during the project are Adobe Photoshop, Macromedia Dreamweaver, Macromedia Director, Discreet 3DS Max and the plug-in 3DS Max Exporter. The choice of programs are based on experience and knowledge from the university education Media and Communication Engineering at Linköping University. The golf course guide contains a 2D-guide (image) and a 3D-guide (interactive image).

This master thesis has been done at Enea Epact AB. The purpose of this thesis is to develop and implement a Link Quality Control algorithm for GPRS/EPGRS in the current testing tool. A Link Quality Control (LQC) shall take quality values from mobile stations and base stations and decide a codingsscheme that opimizes the throughput of data. The Advantage with LQC is that it adapts the used coding scheme to the channel quality. If the channel quality is too bad for the used coding scheme, a slower coding scheme with more redundancy should be selected.

To efficiently examine volumetric data sets from CT or MRI scans good volume rendering applications are needed. This thesis describes the design and implementation of an application programming interface (API) to be used when developing volume-rendering applications. A complete application programming interface has been designed. The interface is designed so that it makes writing application programs containing volume rendering fast and easy. The interface also makes created application programs hardware independent.

I takt med att datorindustrin lyckas simulera både verklighetstrogna grafikvärldar och fysika-liska modeller i realtid ställs allt större krav på ljudupplevelsen. Gizmo3D är ett verktyg för att visualisera grafik som kan integreras i VR-applikationer. Att återskapa tredimensionell datorgrafik är vardagsmat, inte minst i en gigantisk spelindustri. Men vad är tredimensionellt ljud, 3D-ljud och hur kan man involveradet i Gizmo3D som inte har stöd för det? Rapporten försöker svara på den frågan men även belysa 3D-ljudforskningens hela be-greppsvärld, då den utgör grund för att kunna implementera ett 3D- ljudsystem.

Denna rapport visar hur en reklamfilm för en specifik produkt har utvecklats, i form av en CD-ROM-produktion. Företaget Alding AB har efterfrågat reklamfilmen för sin produkt Alding Webshop Maker 1.3. Flera olika programvaror har använts vid genomförandet, varav ljudredigeringsprogrammet Sonic Foundry Sound Forge 5.0 och bildredigeringsprogrammet Adobe Photoshop 5.5 hör till de mest frekvent använda. Med hjälp av programmet Macromedia Director 7.0 har sammanställningen av reklamfilmen utförts. Rapporten behandlar de olika problem som uppstått under arbetets gång samt hur de har kunnat undanröjas.

There exist several known methods for calculation of radio coverage for ground-based systems. As far as we know there are no equivalent methods for the case of flying platforms when the altitudes and speeds are significantly different to those of ground-based systems. This thesis describes the theoretical concepts behind calculations of radio coverage for flying platforms. An investigation is made to sort out what is important and possible to employ in a model for simulations. A method is described and implemented in a program for evaluation of flying radio systems.

Landstinget i Östergötland har på sin webbplats, www.lio.se, en underavdelning kallad ?Arbetsplats landstinget?. Här finns information om hur det är att arbeta inom Landstinget samt en sida innehållande alla lediga jobb. Målgruppen denna avdelning riktar sig till är människor som nu eller i framtiden har intresse av att arbeta inom Landstinget. Ungdomar och andra som söker information om olika yrken och arbetsplatser ingår också i den primära målgruppen.

When searching for better and more practical interfaces between users and their computers, additional or alternative modes of communication between the two parties would be of great use. This thesis handles the possibilities of using eye and head movements as well as voice input as these alternative modes of communication. One part of this project is devoted to find possible interaction techniques when navigating in a computer interface with movements of the eye or the head. The result of this part is four different controls of an interface, adapted to suit this kind of navigation, combined together in a demo application. Another part of the project is devoted to the development of an application, with voice control as primary input method.

This thesis describes a system for dealing with free surface fluid simulations, and the components needed in order to construct such a system. It builds upon recent research, but in a computer graphics context the amount of available literature is limited and difficult to implement. Because of this, the text aims at providing a solid foundation of the mathematics needed, at explaining in greater detail the steps needed to solve the problem, and lastly at improving some aspects of the animation process as it has been described in earlier works. The aim of the system itself is to provide visually plausible renditions of animated fluids in three dimensions in a manner that allows it to be usable in a visual effects production context. The novel features described include a generalized interaction layer providing greater control to artists, a new way of dealing with moving objects that interact with the fluid and a method for adding source and drain capabilities..

Today wireless transmission of data is becoming more and more popular and the need for faster transmission rates is increasing. Since the bandwidth is limited it is important to try to use it to the fullest. CDMA is a technology that allows multiple accesses on the same frequency and time thus making it very bandwidth efficient. The CDMA technology was first introduced in the second generation?s cellular systems but has since then been improved and is reused in today?s 3G systems as Wideband CDMA.

This thesis investigates techniques for stealth hydroacoustic communication using spread spectrum. The Swedish naval defense organisations have a vision that all their units should be able to communicate with each other, even between underwater vehicles. But the properties of water makes it a complex channel to use for wireless communications. Radiomagnetic waves have very limited range in water, therefore acoustic waves are used. In this report the basics of wireless communication systems are described including source coding, channel coding, modulation techniques as well as different techniques for spread spectrum.

Slumptalsgeneratorer är bland de viktigaste byggblocken inom dagens säkerhetssystem och infrastruktur. Det finns dock en uppsjö av varierande implementeringsmodeller i såväl mjukvara som hårdvara. Att konstruera en slumptalsgenerator som har tillträckligt bra egenskaper för att användas i säkerhetssystem är inte någon trivial uppgift. I denna rapport diskuteras de två huvud metoderna att generera slumptal, dels i mjukvara (PRNG), dels i hårdvara (TRNG). Olika synvinklar och angreppssätt att generera och testa slumptal diskuteras och utvärderas.