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An explanation is given for the paradoxical fact that, at low signal-to-noise ratios, the systematic feedback encoder results in fewer decoding bit errors than does a nonsystematic feedforward encoder for the same code. The analysis identifies a new code property, the d-distance weight density of the code. For a given d-distance weight density, the decoding bit error probability depends on the num

Turbines operating in wind farms are coupled by the wind flow. This coupling results in limited power production and increased fatigue loads on turbines operating in the wake of other turbines. To operate wind farms cost effectively, it is important to understand and address these effects. In this paper, we derive a stationary model for turbine interaction. The model has a simple intuitive structu

This paper focuses on the design and the evaluation of a three-phase permanent magnet synchronous machine (PMSM) that stator core is made of Soft Magnetic Mouldable Composite – SM2C. A radial flux PM machine with modular winding is designed for a high-speed low-voltage automotive application. Manufacturability and a high fill factor of the winding are vital for a low permeability stator core in or

The importance of social circumstances for middle-age women’s general subjective well-being (SWB) was investigated in a representative sample of Swedish women, age 43 (N = 369). The results showed non-existent to moderate relationships between a number of social circumstances variables and general SWB. The strongest relationship was found between marital status and global life satisfaction. Being

Countries all over Europe have faced growing migration figures since World War II. Not least immigration from countries far away from European traditions and culture will make an impact in general and also when it comes to food, meals and eating. The estimation is that more than one out of five Swedes in now living generations has roots in other countries and cultures. Segregation from aspects of

Popular Abstract in Swedish När en konsument går längs en gång i en butik kan han eller hon enkelt ta ett mjölkpaket utan att tänka på allt som behövts göras för att det ska kunna hamna på hyllan. Många chefer och ingenjörer lägger ner oerhört mycket energi för att detta ska vara möjligt. För varje paket mjölk omfattar kedjan av olika aktiviteter processande, förpackning, transport och lagring, frIn the supply chain interactions with product and packaging systems, actors place various needs on packaging. Satisfying these needs eventually increases the supply chain efficiency and effectiveness. The aim of the research presented is to contribute to the packaging logistics body of knowledge on reducing the gap between the supply chain needs and satisfying them, through packaging design and de