The waveform of a radar signal affects the resolution in velocity and distance. The ambiguity function is used as an aid for analysing narrow band radar signals simultaneously in time and frequency. An analysing tool for wide band radar signals is missing.This thesis describes a generalised ambiguity function to be utilised for study of wide band signals. Waveforms are further synthesised with help of the developed analysing tool. The aim is to start with a certain ambiguity function and find a waveform that reproduces the same ambiguity function.Mathematical formulas are presented and implemented in Matlab to produce the wide band ambiguity function.

This essay is about literature instruction in the last three years of Sweden?s compulsory school from one teacher?s and six of his pupils? perspective. The research is analysed from a socio-cultural perspective on learning and literature reception.The empiric material is based on interviews with the teacher and six of his students.The research shows that there is a difference between what the pupils read on their spare time and what they read during Swedish instruction. It also shows that the pupils wants literature full of action where descriptions of people and the setting don?t slow down the reading experience.The teacher is successful in finding literature the pupils appreciate but sees the value of literature on another level ? in the processing of the reading experience.

The aim of the study was to through empirical studies interpret the relation between three partially investigated house foundations, on an abandoned farm in Langhammars on northern Fårö. This relation focused upon two main questions; the time of use and the spatial distribution of the archaeological finds.Trough comparative analysis two of these houses can establish to have been contemporary, the third one is too roughly examined. A discussion about the hypothec idea of two or three contemporary farms was made with a negative result.In house 1 smaller processing of tools of flint has taken place near the fireplace in the larger room. A concentration of pottery was also visible near the fireplace, likely to be connected to cooking and eating. The smallest room in the northeast part of the house could have functioned as a storeroom and/or held workshop activities.The archaeological finds and the distribution of it, strongly indicates that house 1 mostlikely consisted of a dwelling house and house 2 functioned as a workshop; linked to activities with handicrafts.

The global Positioning System (GPS) provides location and time information as long as there are unobstructed lines of sight to four or more GPS satellites. However, when this is not the case the signal may be inaccurate or sometimes even completely blocked. In these situations the Inertial Navigation System (INS) is an appropriate choice for positioning.  An INS has already been proposed in a previous thesis by Erik Andersson and the objective of this thesis is to fuse the GPS with the INS in a proper way. A part of this project is to decide the reliability of the GPS.Three methods for GPS reliability detection have been proposed. One method based on the statistical properties of each of the separate systems, and two methods based on the statistical properties of the residuals between the GPS and INS.

This thesis is based on design theory about how to build an application for the mobile platform, a scientific analysis and an application for grocery shopping and meal planning. The thesis also contains a valuation of the research and of the application. The valuation of the application was done by a usability test and an analysis of the results of the test.The application of the thesis has an easy navigation system, which is time saving and simple to use. Finding recipes with the associated ingredients is a quick fix. The search function can be used for searching freely after recipes as well as for separate ingredients. That makes it possible for the user to create own recipes from available ingredients.

A distributed hydrological rainfall-runoff model has been developed using a GIS integrated with a dynamic programming module (PCRaster). The model has been developed within the framework of the EU-project TWINBAS at IVL Swedish Environmental Research Institute, and is intended for use in WATSHMAN ? a tool for watershed management developed at IVL. The model simulates runoff from a catchment based on daily mean values of temperature and precipitation. The GIS input data consist of maps with soil type, land-use, lakes, rivers and a digital elevation model.

This report aims to provide an insight into the particle physics of today, and into the research that goes on within the field. The focus is partly on the recent discovery of the Higgs boson, and partly on how software can be used to simulate processes in particle accelerators. Basic concepts of particle physics and the search for the Higgs boson are discussed, and experimental results, including those from the Large Hadron Collider, are compared with simulations made in MadGraph 5. Furthermore, simple new models of particle physics are created in FeynRules, in order to make simulations based on the models. To support the presentations of these aspects, some of the underlying theory is built from the ground up.

This report aims to provide an insight into the particle physics of today, and into the research that goes on within the field. The focus is partly on the recent discovery of the Higgs boson, and partly on how software can be used to simulate processes in particle accelerators. Basic concepts of particle physics and the search for the Higgs boson are discussed, and experimental results, including those from the Large Hadron Collider, are compared with simulations made in MadGraph 5. Furthermore, simple new models of particle physics are created in FeynRules, in order to make simulations based on the models. To support the presentations of these aspects, some of the underlying theory is built from the ground up.

This report aims to provide an insight into the particle physics of today, and into the research that goes on within the field. The focus is partly on the recent discovery of the Higgs boson, and partly on how software can be used to simulate processes in particle accelerators. Basic concepts of particle physics and the search for the Higgs boson are discussed, and experimental results, including those from the Large Hadron Collider, are compared with simulations made in MadGraph 5. Furthermore, simple new models of particle physics are created in FeynRules, in order to make simulations based on the models. To support the presentations of these aspects, some of the underlying theory is built from the ground up.

Skolverket har under våren 2010 tagit fram en ny rapport om IT användning och ITkompetens bland elever på grundskolan. Rapporten visade en positiv utveckling bland elever i skolåren 7?9 men bland elever i grundskolans tidigare år var resultaten inte desamma. Syftet med denna studie är att utifrån en utbildningspraktik förstå konsekvenserna av hur pedagoger resonerar kring värdet av att vara informationskompetent. Ett begrepp som innefattar sökstrategier, en källkritisk medvetenhet och allämna kunskaper på och om Internet.

The aim of this study is to examine if library and archive will meet professionally in digitization projects. The study has been conducted as a discourse analysis in accordance with the methods of Norman Fairclough, professor of Linguistics at Lancaster University. The texts are seen as linguistic and semiotic elements of social events that can be analyzed as parts of the social process ? discourse. The relationship between events and structures in society will be part of the social practice.The basic data derive from five public documents collected from Swedish government agencies.

Denna uppsats underso?ker hur artisten Jaqe har kunnat sprida sin musik och sitt varuma?rke via sociala medier utan att ha na?gra konton pa? sociala medier registrerade i sitt namn, eller o?verhuvudtaget vara aktiv pa? na?tet.Syftet med uppsatsen a?r att underso?ka ett ho?gst ovanligt marknadskommunikationsfenomen som tycks motsa?ga ra?dande normer inom musikbranschen, fo?r att belysa huruvida man kan bedriva effektiv marknadskommunikation via sociala medier utan att o?verhuvudtaget vara aktiv online. Detta underso?ks genom att kartla?gga och problematisera Jaqes strategi samt ja?mfo?ra den mot Sveriges tva? sto?rsta skivbolags digitala marknadskommunikativa praktiker. Empirin besta?r av fyra kvalitativa expertintervjuer.

Det här är en rapport som är en del av ett examensarbete som utfördes på IT-företaget Nostratic. Syftet är att utveckla ett användargränssnitt för ett webbaserat sorteringsverktyg genom att kombinera användarcentrerad systemdesign med den agila systemutvecklings metoden, Scrum. Utvecklingen skedde i tre användbarhetsdesigniterationer som i sin tur innehöll nio Scrumiterationer, så kallade Sprints. Varje iteration avslutades med en prototyp som testades på användare inom den avgränsade målgruppen för produkten. Under användartestarna mättes användbarheten i användargränssnittet genom att räkna antalet fel som testpersonerna gjorde i utförandet av en specifik uppgift samt genom en post-survey enkät.

Digitala läromedel blir ett vanligare inslag i skolgången då ny teknologi erbjuder tidigare okända pedagogiska möjligheter. Denna uppsats undersöker hur elever som använder ett digitalt läromedel i form av en virtuell lärmiljö för matematiklärande upplever denna lärmiljö. Dessutom undersöks elevernas prestation i lärmiljöns matematiska uppgifter. Skillnader mellan elever i olika årskurser samt elever som är matematiskt låg- eller högpresterande studeras. Matematisk prestation beskrivs utifrån Goods (1981) passivitetsmodell som innebär att lågpresterande elever är mindre risktagande i klassrumsmiljön.Elevernas upplevelse av digitala läromedel studerades i en virtuell lärmiljö bestående av två moduler, en spelmodul och en modul för skriven dialog.

3D-modelling in AutoCAD This thesis is done in cooperation with LB-Hus in Bromölla, and have aimed to establish a digital AutoCAD model of one of the company?s house types and to find out what opportunities there are to do visualisations in the form of images directly from the programme. Modeling has been carried out so that the very construction of the house is included. Interiors and installations, with the exception of the ventilation system, have been left out in the model. The model has been created with solid models after a comparative study made between solid models and surface models to find out which option in this case was the easiest to handle and took up the least space.