Search for dissertations about: "fredrik johansson"
Showing result 1 - 5 of 70 swedish dissertations containing the words fredrik johansson.
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1. Essays on Measurement Error and Nonresponse
Abstract : Essay 1 deals with measurement errors. Matching survey data with administrative records provides unique opportunities to evaluate the statistical properties of respondents' answers. This paper focuses primarily on home ownership and wealth variables. READ MORE
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2. Microscopic Simulation of Pedestrian Traffic
Abstract : There has recently been a renewed interest in planning for pedestrian traffic, primarily in connection to public transport interchange stations, since these are important for public transport to constitute an attractive alternative to car usage. This thesis concerns microscopic simulation of pedestrian traffic, which is a promising tool for analyzing and predicting the traffic situation in a given pedestrian facility; particularly powerful when the traffic is congested. READ MORE
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3. Evaluating the performance of TEWA systems
Abstract : It is in military engagements the task of the air defense to protect valuable assets such as air bases from being destroyed by hostile aircrafts and missiles. In order to fulfill this mission, the defenders are equipped with sensors and firing units. To infer whether a target is hostile and threatening or not is far from a trivial task. READ MORE
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4. Stabilitly analysis of large structures founded on rock : an introductory study
Abstract : Previous investigations of Swedish and international dams have shown difficultiesto assess the safety against failure in rock foundations. The problem was alsogiven additional interest in connection to the recent construction of the newbridge at Traneberg in Stockholm. READ MORE
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5. A Purkinje cell Timing Mechanism. On the Physical Basis of a Temporal Duration Memory
Abstract : The standard view of neural signaling is that a neuron can influence its target cell by exciting or inhibiting it. Learning is thought to involve strengthening or weakening synaptic connections. For most behaviors, the brain must learn to produce precisely timed activity patterns. READ MORE