Sökresultat:
17801 Uppsatser om Information length - Sida 12 av 1187
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..
Intern informationshantering på BoråsBorås TME AB ? en information audit
ThepurposeofthisBachelor?sthesiswastoexaminetheinternalinformationmanagementatBoråsBoråsTMEABviaacasestudy.InordertoachievethispurposeanInformationAuditwasconducted.ThetheoreticalframeworkormodelfortheauditwasthatofBuchananandGibb.Dataforthestudywascollectedusingfocusgroupinterviewsandpolicydocuments.Theinterviewswereanalyzedwiththehelpofqualitativecontentanalysis.ThetheoreticalmodelofChoo?sInformationmanagementcyclewasusedtofurtherdescribetheorganizationsinternalinformationmanagement.Theresultsshowalackofpredeterminedroutinesandpoliciesregardinginformationmanagementandtheuseofinformationresources.Furthermore,theunitK:,FacebookandtheweeklyThursdaystaffmeetingwereidentifiedasthethreemostimportantresourcesforinternalinformationmanagement.Inaccordancewiththeinformationauditanorganizationdescriptionwascompletedusingpolicydocuments.Theauthoralsopresentsfoursuggestionsforactionplanswiththehelpoftheresultsofthecontentanalysis.Thestudyrevealedthattheinternalinformationmanagementwasrathergood.Thiswasduetotherathersmallsizeoftheorganizationandthatthestaffhadawellfunctioningcooperation.Thiscooperationisdescribedassomewhatproblematicasfrictionbetweensomedepartmentswasidentified..
Den som vet bäst vinner mest - Om information i butik och hur den används.
When in the process of buying a product based high effort behavior, the consumer needs information to decide on which product that best satisfies their need. There is a wide arrange of sources where this could be found. One of the most important, due to the great influence it has on consumer choice, is in-store communications. This is also one of the least developed sources. It is not uncommon that the only facts that can be acquired are found on product packaging and from contact with the store´s staff.
Anställningsintervjun och dess personbedömningsmetoder en jämförelse mellan internrekryterare och rekryteringskonsulter
The employment interview is an important part of the recruitment process because the recruiter then has a chance to form an opinion about the applicant as a person. The purpose with this study has been to examine if there are any differences between inhouse-recruiters and recruiting consultants concerning the employment interview and its assessment methods. Five inhouse-recruiters and five recruiting consultants have been interviewed on the basis of a manual. There are differences between the groups in 6 of the 17 themes that have been examined: purpose with the employment interview, private-, double- or panelinterview, length of the interview, personal chemistry, appearance and objectivity in the assessment. Many of the differences are caused by the fact that inhouse-recruiters recruit for their own organisation and recruiting consultants recruit for a client.
Vem i hela världen kan man lita på? : En kvantitativ studie i hur gymnasieelever upplever att de arbetar med medie- och informationskunnighet i skolan
Our society has become increasingly digitized, and all around us information flows constantly. Knowledge about valuing different sources of information, and not least the information itself, are becoming increasingly important. Media and information have come to play a big role in our society, and knowledge of media and information literacy becomes important to learn in school. High school students are at the beginning of their adult lives as educated citizens.In this study, we measured high school students experience of media and information literacy, during their three years in high school. Students answered a questionnaire, with questions based upon theoretical concepts in media and information literacy.
Vad sjunger Elvis om? : Tre sångtexter av Elvis Costello betraktade genom strukturalistiska koder
The purpose of this Bachelor?s thesis is to examine university librarians? perceptions of information literacy, of students? information literacy and of education in information literacy. The focus is on how they perceive the students? information literacy development during their university studies. Also of interest in this study is how librarians think that their teaching in information literacy should be included in the students? other courses. Three librarians at a Swedish university library were interviewed using qualitative interviews.
Upplevelsen av information och undervisning i samband med kronisk hjärtsvikt
Att leva med en kronisk sjukdom som hjärtsvikt innebär en ständig oro och ibland ångest. Information och undervisning om den förändrade livssituationen som sjukdomen medfört kan bidra till ökade möjligheter att uppleva hälsa i samband med denna kroniska sjukdom. Syftet med litteraturstudien var att belysa människors upplevelse av information och undervisning i samband med hjärtsvikt. Resultaten baserades på 19 artiklar som sökts via databaserna Cinahl, SweMed+, Medline, Psyc Info men även manuell sökning i tidsskrifter vilka analyserades med en kvalitativ innehållsanalys. Fyra kategorier framkom i resultatet: att känna brist på och inte förstå information, att få individuellt anpassad information, att information ökar livskvalitén och att behov av information och undervisning är större efter utskrivning.
Att söka samhällsinformation. En användarundersökning
Citizenship information is defined as the information the citizen needs to be able to take part in and influence the society. Since it is a democratic issue that information concerning the citizens role in society really reaches the citizens, it is of importance to study how the citizens proceed when they have a need for this information. The aim of this Masters thesis is to investigate how our eight informers proceed when they experience this need in a non-work situation. We performed qualitative interviews. The most important part of our interviews was the introduction of some fictitious problems to the informants.
Tidsberoende kvantkemiska beräkningar av optisk absorption hos polymerer och molekyler med litet bandgap
The vertical electronic excitation energies for the narrow-bandgap polymers LBPF, EP37 and EP62 have been calculated using Density Functional Theory (DFT). Also the vertical excitation energies for the acceptor unit of LBPF have been calculated using the Hartree-Fock (HF), DFT and Coupled Cluster (CC) methods. The calculations cover the visible and infrared wave length region and two strong transitions are obtained, one corresponding to the pi to pi* transition and one corresponding to the pi to Acceptor transition. The excitation energies obtained from DFT are below the corresponding experimental results and attempts have therefore been made to perform bench-marking calculations using a hierarchy of CC methods..
Att dela och sprida information. En studie med fokus på litteraturforskare.
The aim of this Bachelor?s thesis is to obtain understanding and knowledge about how literary scholars collaborate regarding information. Seven scholars have been studied in the aim to find out social and cultural elements which create particular prerequisites for their practice, with focus on information sharing. The method used has consisted of semi-structured interviews. The informants have been studied from a socio cultural and domain analysis starting point, which means that they are studied in the light of being members in their practice.
Översättning av Western Aphasia Battery ? Revised till svenska och utprovning av översättningen på en normalspråkig population
The purpose of the present study was to translate Western AphasiaBattery ? Revised (WAB-R) to Swedish and test the translation on a group of nonlanguage-impaired individuals. The purpose was also to establish equivalencebetween WAB-R and its Swedish translation and to examine a possible correlationbetween test results and the background factors sex, age, educational length andfirst language. 67 subjects participated in the study. The results showed that femalesex, long education (?12 yrs) and being a native speaker of Swedish had significantpositive association to a higher test result.
Studenters upplevelse av information overload i informationshanteringsprocessen - Implikationer för högskolebiblioteket
Information overload occurs when the amount of information exceeds the individual s capacity to efficiently process and use the information available. In this situation information instead of being an asset becomes a load. This interview study deals with college students experiences of information overload when working on their thesis. Focus lies on use of Internet based information resources. The main result was that the students experienced information overload in specific situations and steps of the process.
Hur söker noviser information? En studie av noviser tillvägagångssätt vid informationssökning.
The purpose of this thesis is to examine how novices set about when they search for information. Marchionini's information-seeking model is the theoretical starting point, which is supplemented by theories of other specialists within the field, such as Chowdhury; Harter; Large, Tedd and Hartley. As method a questionnaire survey was used. The questionnaire was sent to 96 students at IHM Business School in Gothenburg and 57 questionnaires were returned. The results show among other things that the majority of the students used highly interactive search strategies, and they did not plan their search before they carried out the search.
Förlagsredaktörers informationsbeteende. En studie av förlagsredaktörer som arbetar med facklitteratur.
The main purpose of this work was to examine the information behavior of nonfiction publishing Company editors. Three problem areas were presented and expressed in the following questions:- What is the information need of the editor in every day work?- Which sources of information do the editors use when they are looking for information and how do they make use of them?- Are there any factors that have an influence on the information behavior of the editors and in what way do the factors effect the information behavior of the editors in their everyday work? And finally, do the editors experience any factors as barriers to information behavior?Six editors, all with academical background, all employed in different publishing companies were interviewed. The result of this study have been analysed within a theoretical framework influenced by the work of Tom Wilson, Lars Höglund and Olle Persson and Block and Lagberg. The result shows that the editors had various regular needs of information in their every day work.
Information overload? En kritisk begreppsanalys
Information overload is by no means a new concept, but has come to prominence the last decade. A generally accepted definition of the phenomenon does not exist. The main question in this master thesis is how to define information overload in order to create a connotative concept for information science. This thesis reviews the nature and causes of information overload, and considers possible solutions, both individual and technical, and their relevance to the information professional. The review of the results shows that researchers seldom or never give a legible definition of what the concept information holds.