Search for dissertations about: "high-frequency noise"
Showing result 1 - 5 of 103 swedish dissertations containing the words high-frequency noise.
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1. High Frequency Tyre Vibrations
Abstract : High frequency (above 1 kHz) noise generation from the tyre/road interaction is still not fully understood and accurately modelled.Two noise generation mechanisms previously suggested in the literature are reviewed: air pumping and noise generation cased by adhesive effects between the tyre tread and road surface. READ MORE
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2. High Frequency Characterization and Modeling of SiGe Heterojunction Bipolar Transistors
Abstract : .... READ MORE
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3. Fast Adaptive Numerical Methods for High Frequency Waves and Interface Tracking
Abstract : The main focus of this thesis is on fast numerical methods, where adaptivity is an important mechanism to lowering the methods' complexity. The application of the methods are in the areas of wireless communication, antenna design, radar signature computation, noise prediction, medical ultrasonography, crystal growth, flame propagation, wave propagation, seismology, geometrical optics and image processing. READ MORE
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4. Multi-Gigabaud Millimeter-Wave Communication - Challenges and Solutions
Abstract : A major challenge in future mobile networks is to overcome the capacity barrier in wireless communication. Utilizing large bandwidth at higher frequencies is key to enabling capacity upgrade for next generation mobile networks (5G). READ MORE
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5. InAs/AlSb HEMTs for Cryogenic Low-Noise Applications
Abstract : The InAs/AlSb high electron mobility transistor (HEMT) is an emerging microwave device technology. The high electron mobility and high peak electron velocity of the InAs channel makes this device technology a potential candidate for low-noise applications operating at very low power dissipation. READ MORE