Search for dissertations about: "impact noise"
Showing result 16 - 20 of 268 swedish dissertations containing the words impact noise.
-
16. A few aspects of aircraft noise
Abstract : A few aspects of aircraft noise were evaluated. These were (i) methods of subjective evaluations, (ii) effects of equalization and (iii) the effects of cognitive aspects.In the first paper, sorting algorithms were used instead of conventional paired comparison method in order to reduce the number of pairs in the evaluation of subjective judgments. READ MORE
-
17. On the Impact of Phase Noise in Communication Systems –- Performance Analysis and Algorithms
Abstract : The mobile industry is preparing to scale up the network capacity by a factor of 1000x in order to cope with the staggering growth in mobile traffic. As a consequence, there is a tremendous pressure on the network infrastructure, where more cost-effective, flexible, high speed connectivity solutions are being sought for. READ MORE
-
18. On Fluid Power Pump and Motor Design : Tools for Noise Reduction
Abstract : Noise and vibration are two of the main drawbacks with fluid power systems. The increasing requirements concerning working environment as well as machines' impact on surroundings put components and systems to harder tests. The surrounding machines, e.g. READ MORE
-
19. Large Eddy Simulation for the Analysis of Supersonic Jet Noise Suppression Devices
Abstract : Stricter noise regulations for commercial and military aircraft have increased interest in noise reduction techniques within the aerospace industry. To meet the requirements, new noise suppression technologies have to be developed and numerical methods need to be validated and possibly improved for the correct assessment of these technologies. READ MORE
-
20. Wind Turbine Noise and Natural Sounds : Masking, Propagation and Modeling
Abstract : Wind turbines are an environmentally friendly and sustainable power source. Unfortunately, the noise impact can cause deteriorated living conditions for nearby residents. The audibility of wind turbine sound is influenced by ambient sound. This thesis deals with some aspects of noise from wind turbines. READ MORE