Essays about: "frequency"
Showing result 21 - 25 of 4553 essays containing the word frequency.
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21. Greenhouse gas emissions from peat soil thawing in spring : a comparison between fertilized and unfertilized soil
University essay from SLU/Dept. of Soil and EnvironmentAbstract : Peat soils drained for agriculture and forestry contribute to a significant amount of greenhouse gas emissions. Nitrous oxide is a greenhouse gas with high warming potential and agriculture in general accounts for about 70 % of nitrous oxide emissions. READ MORE
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22. FPGA Based Control of Multiple Electric Machines for Marine Propulsion Systems
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : This master thesis addresses the control of electric propulsion motors in a marine context. The focus lies mainly on the implementation of field oriented control (FOC) in a field programmable gate array (FPGA). The hypothesis is that FPGAs provide performance advantages over microcontroller-based control solutions by enabling parallel processing. READ MORE
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23. Log Frequency Analysis for Anomaly Detection in Cloud Environments
University essay from Blekinge Tekniska Högskola/Institutionen för programvaruteknikAbstract : Background: Log analysis has been proven to be highly beneficial in monitoring system behaviour, detecting errors and anomalies, and predicting future trends in systems and applications. However, with continuous evolution of these systems and applications, the amount of log data generated on a timely basis is increasing rapidly. READ MORE
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24. Real-Time Certified MPC for a Nano Quadcopter
University essay from Linköpings universitet/Institutionen för systemteknikAbstract : There is a constant demand to use more advanced control methods in a wider field of applications. Model Predictive Control (MPC) is one such control method, based on recurrently solving an optimization problem for determining the optimal control signal. READ MORE
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25. Satellite signal attenuation due to atmospheric influences in northern Sweden
University essay from Umeå universitet/Institutionen för fysikAbstract : Earth-space traversing electromagnetic waves become attenuated as they propagate through the atmosphere. The sources of attenuation are weather phenomena in the Troposphere, and scintillation and absorption in the Ionosphere. READ MORE