Sökning: "Jan erik"
Visar resultat 1 - 5 av 237 avhandlingar innehållade orden Jan erik.
1. Using False Alarms when Developing Automotive Active Safety Systems
Sammanfattning : This thesis develops and tests an empirical method to quantifying drivers’ level of acceptance for alerts issued by automotive active safety systems. The method uses drivers’ subjective level of acceptance for alerts that are literally false alarms as a measure to guide the development of alerting criteria that can be used by active safety systems. LÄS MER
2. Spectrum Sensing Algorithms Based on Second-Order Statistics
Sammanfattning : Cognitive radio is a new concept of reusing spectrum in an opportunistic manner. Cognitive radio is motivated by recent measurements of spectrum utilization, showing unused resources in frequency, time and space. Introducing cognitive radios in a primary network inevitably creates increased interference to the primary users. LÄS MER
3. Degradation Mechanisms of Heat Resistant Steel at Elevated Temperatures : In an Iron Ore Pelletizing Industry
Sammanfattning : This thesis focuses on the different degradation mechanisms of the stainless steel in a travelling grate in a Grate-Kiln iron ore pellet indurator. The travelling grate is a conveyor belt that transports green-body pellets to a rotary kiln while the pellets are being dried and pre-heated to a temperature of 900-1100 °C by recycled hot air. LÄS MER
4. On Reduction of Substrate Noise in Mixed-Signal Circuits
Sammanfattning : Microelectronics is heading towards larger and larger systems implemented on a single chip. In wireless communication equipment, e.g., cellular phones, handheld computers etc. LÄS MER
5. Pension reforms and retirement behaviour
Sammanfattning : This thesis consists of three self-contained essays. Essay 1. Knowledge about how elderly workers react to changes in pension benefits is important in guiding the design of social security systems. This essay contributes to this knowledge by examining the effect of changes in replacement rates on part-time retirement behaviour in Sweden. LÄS MER