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168 Uppsatser om Radar-warning receivers - Sida 6 av 12
MONOLITH : TCP/IP kommunikation och seriell dataöverföring
Bofors UwS (Underwater Systems) har påbörjat utvecklingen av ett nytt centraliserat system för att koordinera alla torpedhanterare ombord på ett fartyg till en central enhet. Detta system måste kunna ta emot och i vissa fall sända data till de övriga delsystemen ombord på fartyget. För att lyckas med detta behöver de en kommunikationsapplikation till denna centrala enhet. MONOLITH är en prototyp av en sådan applikation. Dess huvudändamål är att demonstrera hur detta kan utföras och att testa enheter som kan kontrollera ett antal torpeder.
Att vara en räckande hand : Personliga assistenters förhållande till den andres självbestämmanderätt
The purpose with our essay was:- To study how personal assistants understand their occupation role.- To describe the attitude of personal assistants to the right of self-determination of their care receivers. We have used a qualitative research method called phenomenografic. The empirical material was based on four interviews that served as the data collection methods. The interviewees were four women from two different municipalities of Middle Sweden. The interviewed personal assistants work with adult people who have mental disabilities. As a result we came up with eight categories which showed that personal assistants, despite some difficulties, perceive their careers as crucial for society?s well being. The phenomenon of self-determination was much easier to describe than to put to practice.
Retoriken i estetiken : En retorisk analys av prisbelönta reklamannonser
This thesis is a qualitative study in which 12 award-winning printed adverts, awarded with either a Swedish ?Guldägg? or an international Clio Award, have been analyzed from a rhetorical perspective. Visual rhetorics were used to analyze the adverts in order to expose the rhetorical concepts and to find out whether the rhetorical concepts represented in the Swedish adverts are the same concepts represented in the international adverts. One of the conclusions drawn is that pathos-arguments, a rhetorical concept where the senders allude to the emotions of the receivers, are the most prominent in both Swedish and international adverts, but are used in different ways. Another conclusion drawn is that the adverts are overall characterized by their messages not being explicit.
Attityder till presenter - en studie om gifting och self-gifting bland svenska konsumenter
The process of gift-giving is something that occurs all around the world, and most people are both givers and receivers of gifts. While receiving a gift is often associated with joyous feelings, purchasing and giving a gift may not generate the same feelings. The worries of giving a gift may include anguish of finding the right gift for the right person, and not to mention it shall be appropriate given the situation. This paper aims to describe consumer attitudes in various gift-giving occasions. To give another perspective the paper also discusses and describes the term of self-gifting, when the giver and receiver is the same person - you.
Optimering av ultraljudssändare- och mottagare avseende räckvidd, strålningsvinkel och energiförbrukning
Embedded Systems Lab at Umeå University is currently part of a research project with the purpose to examine the behavior of dairy cows inside a barn. Each cow needs to be tracked with a precision of 50 cm, and since GPS-technique has poor functionality at indoor environments, an indoor positioning system needs to be developed.Embedded Systems Lab has already developed an indoor positioning system using IR-light and radio, but since this system demands extensive infrastructure and is rather expensive, an alternate positioning system using ultrasonic pulses and radio is being examined.In this report the range, beam angle and current consumption of ultrasonic transmitters- and receivers are investigated. Three different driver stages for the transmitter is tested, and two amplifier solutions for the receiver. The report also describes how the length of the transmitted ultrasonic pulse affects the received signal, accessibility of a ?shadowed? signal, and the effect of different sound frequency..
Brister i veterinär intygsskrivning : en granskning av ärenden i Veterinära Ansvarsnämnden 2000 - 2007
After having reviewed the cases in the Veterinary Disciplinary Board of Sweden regarding certificates year 2000 to October 2007 I have found that these cases more often than in all other cases result in disciplinary action. The punishment is to a greater extent the more serious form, i.e. warning. When I examined the reasons for imposing the punishments and the material that constituted the foundations of the reports, I came to the conclusion that the statistics above do not depend on a general lack of knowledge in the Swedish veterinary profession. A possible cause is that the demands set upon the veterinarian are exceptional and that the responsibility board has a physical object to examine (the certificate) and regulations that describe how the certificates are supposed to be formulated.
The fact that the knowledge about how to write veterinary certificates does not generally seem to be lacking does not exclude that lessons can be learned by examining the mistakes made by others.
Nya metoder för vibrationsmätning på vindkraftverk
This project has revolved around finding better ways of overseeing vibrations of the gearbox at a wind power station. The gearbox has been a huge problem at the stations located at Gässlingen and the sooner the warning of an incoming breakdown is at hand the more money you can save from preparations. The work has been carried out together with Askalon AB in cooperation with consults from ÅF. Askalon is a company with a department focused on overseeing vibrations and it is in collaboration with that department the work has been carried out. During this work, new positions for the sensors and new methods of gathering and analyzing data have been worked out. This was then implemented at a wind power station to be tried out on site.
Implementation och prestandaanalys av radarsignalbehandlingsalgoritmer på GPU
Det här examensarbetet utvärderar om det är möjligt att använda en eller flera GPUs för att under realtidsförhållanden utföra radarsignalbehandling i ett pulsdopplerradarsystem. En kedja med radarsignalbehandlingsalgoritmer som används för att utföra detektion har implementerats med CUDA och sedan prestandaanalyserats med fokus på låg exekveringstid. Två CFAR-detektionsalgoritmer, CA- och OS-CFAR, har inkluderats i analysen. För CFAR-algoritmerna har flera alternativ formulerats och implementerats för att utvärdera hur de bäst kan anpassas för att exekvera på en GPU.Prestandaanalysen av de implementerade algoritmerna visar att det är möjligt för det tänkta systemet att använda grafikkort för att utföra radarsignalbehandlingen i realtid. Implementationslösningar har presenterats både för CA- och OS-CFAR som uppfyller tidskraven för systemet, i vissa fall med god marginal.
Killar gör det grova, tjejer gör det andra: en studie om tjejers och killars syn på kön och genus
The purpose of this essay was to study how surroundings form young peoples gender and where gender patterns are maintained. This was done by interviewing 12 students from two advanced classes at a comprehensive school in a small town in the southern parts of Sweden. The students where divided into four groups. Two groups with three boys in each, and two groups with three girls in each. We used R.W.
Sociala interaktioner hos katter i grupphållning på ett svenskt katthem
Many homeless and private owned cats are relinquished to cat shelters. Shelters are often a very stressful place for cats and their welfare may be endangered. Today it is common that cats are housed in groups at cat shelters and there are some perceived problems in housing cats in groups. The social structure of the cat is very complex and although cats are basically solitary they can be kept in groups under the right conditions. The aim of this study was to investigate how cats in groups interact with each other at a cat shelter.
Information för beslutsunderlag i trafiksituationer inom sjöfarten - hur hanterar vi den?
I detta examensarbete har jag undersökt förmågan hos nautiker att ta fram och tillgodogöra sig information från radar och ARPA för sitt beslutsunderlag i trafiksituationer. Syftet var att få förståelse i om fartygsbefäl haft svårigheter att få fram denna mycket relevanta information. Detta gjordes med hjälp av förstudier i form av intervjuer med erfarna fartygsbefäl. Dessa intervjuer gav kriterier som möjliggjorde analyseringen av 13 olycksfallsrapporter, vilket utgjorde litteraturstudien. Dessa rapporter var författade av engelska Department of Transport, Marine Investigation Branch(MAIB), Statenshaverikommission(SHK) och Sjöfartsverkets rapportserie(SjöfR).
Att skilja på sak och person - Hur ökad personifiering i media kan leda till bättre politisk kunskap hos mottagarna
Mass media is becoming more and more personalized and despite common ideas it could actually be a good thing. Instead of affecting the actual content of news coverage it might only have an effect on the way in which news are presented. Famous politicians more regularly become symbols and synonyms for their parties or for the government and are being used to create interest in the beginning of articles.Those are the results from a content analysis of the newspaper coverage of the Swedish parliamentary election in 1976 and 2006 in which the scientist categorized each article in one of four ideal types, counted quotes and analyzed whether personal names were interchangeable with party names without affecting the content. All three methods showing that it is the presentation, not the content, which has been personalized.At the same time, psychology-science tells us about the human brains associative learning processes, where memorizing becomes far more efficient when the information can be connected to an already known person. Increased personalization of news might therefore increase the political knowledge of the receivers..
Automatisk trafiksäkerhetskontroll
Hela projektet ATK startade 1999 i och med att regeringen skrev sitt 11 punkts program för att få ett snabbt resultat på de farligaste vägsträckorna i Sverige. Hela projekt bygger från början på Nollvisionen som syftar till att få ner antalet skadade och döda i trafiken. Huvudsyftet är inte att bötfälla folk som kör för fort utan ett sätt att få ner medelhastigheten på farliga vägar där det förekommit mycket olyckor med svår utgång. ATK är ett automatiskt system som med hjälp av radar och digitalkamera fotograferar hastighetsöverträdelser och sedan rapporteras dessa genom kontorsförelägganden. Statistik visar att under projektets gång har medelhastigheten sjunkit samt antalet svårt skadade och antalet döda har minskat, samtidigt som lindriga skadade givetvis ökar.
User Interface Design for Analysis of Sensor Systems
In the future network-based Swedish Defence (NBD), attaining information superiority will be of great importance. This will be achieved by a network of networks where decision-makers, information- and weapon-systems are linked together. As a part of the development of NBD, we have performed a study of user interface design for a future network-based tool package for analysis of sensor systems, referred to as the C2SR-system. This thesis was performed at Ericsson Microwave Systems AB, Sensor and Information Networks, during the autumn 2002. A pre-study concerning the requirements of usability, trustworthiness and functionality of a user interface for the C2SR-system was performed.
Fattigdomens slöja: En studie i hur fattigdom påverkar konsumtion
The aim of this study is to map the consumption patterns of the poor. We also examine if loyalty can be created in this segment, and try to discover different types of poverty. This study is of great importance since the poor segment has been slightly overlooked in marketing research. Therefore we have also turned to other academic disciplines such as sociology, ethnography and consumer culture in order to analyze our empirical input. The study is abductive and we have in a qualitative and ethnographical manner conducted interviews in order to obtain information and reveal categories.