Search for dissertations about: "ice detection"
Showing result 1 - 5 of 26 swedish dissertations containing the words ice detection.
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1. Detection and classification of sea ice from spaceborne multi-frequency synthetic aperture radar imagery and radar altimetry
Abstract : The sea ice cover in the Arctic is undergoing drastic changes. Since the start of satellite observations by microwave remote sensing in the late 1970's, the maximum summer sea ice extent has been decreasing and thereby causing a generally thinner and younger sea ice cover. READ MORE
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2. Guided Wave Propagation in Composite Structures; Application to ice detection on wind turbine blades
Abstract : Guided waves are an efficient non-destructive tool in inspection and fault detection of elongated structures. Due to the special characteristics of composite materials, study of guided wave propagation in them has been an interest. READ MORE
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3. Spaceborne Synthetic Aperture Radar for Sea Ice Observations, Concentration and Dynamics
Abstract : Spaceborne Synthetic Aperture Radar (SAR) is the primary choice for sea ice monitoring due to its all-weather, day-and-night capability and regular delivery of high resolution images. This thesis presents methods for estimation of sea ice concentration and drift, a multi-sensor study of Baltic Sea ice radar signatures and an interferometric study of landfast sea ice. READ MORE
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4. Contribution to Wideband SAR Space-Time Processing, and Radar Remote Sensing of Sea Ice
Abstract : Synthetic Aperture Radar (SAR) has the capability to map the Earth with high resolution and is used in both civilian and military applications. The development of SAR systems is going towards higher resolution. Today there are Wide Band (WB) SAR instruments that have a resolution actually smaller than the operating wavelength. READ MORE
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5. Modelling calving and sliding of Svalbard outlet glaciers : Spatio-temporal changes and interactions
Abstract : Future sea level rise associated to global warming is one of the greatest societal and environmental challenges of tomorrow. A large part of the contribution comes from glaciers and ice sheets discharging ice and meltwater into the ocean and the recent worldwide increase is worrying. READ MORE