Sökning: "Sara Sandberg"
Hittade 5 avhandlingar innehållade orden Sara Sandberg.
1. Low-density parity-check codes : unequal error protection and reduction of clipping effects
Sammanfattning : The invention of low-density parity-check (LDPC) codes made reliable communication possible at transmission rates very close to the theoretical limit predicted by Shannon. However, communication close to the Shannon limit requires very long codes and results in long delay and high encoder and decoder complexity. LÄS MER
2. Modulation and channel effects in digital communication
Sammanfattning : This thesis investigates three possible methods to increase the performance of digital communication systems, with focus on wireless systems, by accounting for some of the channel effects that may occur. The modulation scheme plays an important role in the impact of different channel effects on system performance and this work considers both a single-carrier system and orthogonal frequency-division multiplexing (OFDM). LÄS MER
3. Designing tools forconviviality : A design led exploration of ParticipatoryActivity Mapping
Sammanfattning : This thesis is a report of research work that contributes to the understandingof so-called convivial tools. It does this by describing how small enterprisesuse Participatory Activity Mapping as an approach to changing, as well ascaring about, people and the things that hold their work situations together. LÄS MER
4. Four-dimensional computed tomography and image processing to investigate moisture in wood
Sammanfattning : Kiln drying is the most energy-consuming operation in the industrial production of sawn timber and optimising the process is necessary to improve its efficiency. A key to achieving this is to speed up the drying, but this must not come at the cost of deteriorating the quality of the sawn timber. LÄS MER
5. The Difference Approach to Narrative Fiction : A Recurring Critique of Narratology and Its Implications for the Study of Novels and Short Stories
Sammanfattning : The aim of this thesis is to advance the critical examination of narratology, or the study of storytelling. I analyze four versions of a critique of the dominant theory of narrative fiction in narratology and discuss this critique’s methodological implications. LÄS MER