Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 38 for “"interferometric synthetic aperture radar"”.
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Motion Compensation of Interferometric Synthetic Aperture Radar
… from a nominal, straight-line flight path of a synthetic aperture radar (SAR) lead to inaccurate and defocused radar images. This thesis is an investigation into the improvement of the motion compensation algorithm created for the BYU inteferometric synthetic aperture radar, YINSAR. The existing …
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Evaluating Interferometric Synthetic Aperture Radar Coherence for Coastal Geomorphological Changes
Interferometric Synthetic Aperture Radar (InSAR) is an established technique which has been applied to Earth surface displacement analysis and topographic reconstruction. Two complex coherent SAR acquisitions of the same scene are combined to form an interferogram from which surface displacement or …
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Interferometric Synthetic Aperture Radar for remote satellite monitoring of bridges
… Most past research within the field of Interferometric Synthetic Aperture Radar (InSAR) monitoring using satellite radar imagery focusses on widespread measurement of land areas, although there have been some case studies using InSAR to assess movements of individual structures such as …
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Investigation of developments in interferometric synthetic aperture radar until 1994
This thesis examines the topic of Synthetic Aperture Radar Interferometry in a historical perspective, tracing its development from its beginnings in the 1960s up until May 1994. Applications are listed and airborne and spaceborne implementations reviewed. The underlying theory of interferometry is …
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Multi-baseline interferometric synthetic aperture radar applications and error analysis
In this thesis, we deal primarily with the multi-baseline SAR configuration utilizing three satellites. Two applications of InSAR, multi-baseline height retrieval and multi-baseline compensation of CCD's slope biasing effects, are first examined in details. An optimal baseline-weighted height …
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Synthetic aperture radar image simulator for interferometry
An interferometric synthetic aperture radar (SAR) simulator was created for the purposes of experimenting with and demonstration of the interferometric process, mission planning and radar image interpretation. The simulation method employs image statistics and terrain geometry to form a synthetic …
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Polarimetric radar processing of AIRSAR imagery from Los Angeles basin region
… information and intelligence from polarimetric interferometric synthetic aperture radar (PolInSAR) data involves a variety of highly sophisticated processing methods. To aid in the advancement of efficient PolInSAR processing techniques, an investigation of underlying scattering mechanisms such …
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Time Series Analysis of Surface Deformation Associated With Fluid Injection and Induced Seismicity in Timpson, Texas Using DInSAR Methods
… to seismicity near Timpson using differential interferometric synthetic aperture radar (DInSAR) analysis. Results are presented as a set of time series, produced using the Multidimensional Small Baseline Subset (MSBAS) InSAR technique, revealing two-dimensional surface deformation.
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Spatial variability of peat subsidence in Southeast Asia by land use
… emitting carbon dioxide into the atmosphere. Interferometric Synthetic Aperture Radar (InSAR) satellite data coupled with geostatistical analysis have been used to obtain key information on how subsidence varies at a fine spatial resolution. This project used gridded datasets from 8 sites …
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A framework for comparing geomechanical models of InSAR-measured surface deformation
High-quality Interferometric Synthetic Aperture Radar (InSAR) surface deformation data for field sites around the world has become widely available over the past decade. Geomechanical models based on InSAR data occur frequently in the literature but few methods of systematically optimizing or …
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Monitoring of oil-production-induced subsidence and uplift
… techniques used for this project include interferometric synthetic aperture radar (InSAR), continuous and campaign global positioning system (GPS) surveying, precise leveling surveying, and gravimetric measurements. The data set, spanning 11 years, was reprocessed to improve the results of …
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Optimization of Disaggregated Space Systems Using the Disaggregated Integral Systems Concept Optimization Technology Methodology
… performing sea surface height detection using interferometric synthetic aperture radar techniques. A solution is chosen that meets the performance requirements of an upcoming monolithic system at 70% of the cost of the monolithic system.
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Evolutionary data assimilation at Long Valley Caldera, CA
… volcano monitoring, we first develop a series of synthetic numerical experiments to track the ability of the EDA to back out chosen model parameters. Specifically, synthetic GPS and interferometric synthetic aperture radar (InSAR, a satellite based measurement of deformation) data are created from …
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Phase projection using three satellites
… seeks to investigate various techniques used in Interferometric Synthetic Aperture Radar (InSAR) during the phase unwrapping process and the noise filtering step. In particular, as intuition would follow, we establish that the advantage of using three satellites over using just two in noise …
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Remote Sensing of 21st Century Water Stress for Hazard Monitoring in California
… System (GNSS) station displacements and Interferometric Synthetic Aperture Radar (InSAR). In this dissertation, I model aquifer-system compaction at depth using InSAR-based vertical land motion during the 2007-2010 drought and evaluate hazards related to Earth fissures, tensional cracks …
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Application of Remote Sensing Techniques for the Study of Neotectonic Deformation, Subsidence and Coastal Processes
… to the active Makran Subduction Zone. I used Interferometric Synthetic Aperture Radar (InSAR) to identify hotspots of subsidence in the city and quantify rates of deformation. This study was the first to report the presence of an active fault within the city. The second study covers …
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A Geophysical Survey Of Active Volcanism In The Central And Southern Andes
… (10-1 Ma). In this dissertation, I use InSAR (interferometric synthetic aperture radar), thermal remote sensing, and seismology to investigate active volcanism in the Central and Southern Andes. InSAR and thermal remote sensing provide synoptic coverage along the volcanic arc, and seismic …
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Using linear inverse methods and finite element models to explore sensitivity to homogeneous elastic half-space assumptions in deformation models of the 2000 eruption of Hekla volcano, Iceland
… by column collapses (Höskuldsson et al., 2007). Interferometric synthetic aperture radar (InSAR) captured the deformation pattern associated with the movement of a shallow fissure (i.e. dike) during the eruption (Ofeigsson et al., 2011). These data present the opportunity to use inverse methods …
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Landslide kinematics and interactions studied in central Georgia by using synthetic aperture radar interferometry, optical imagery and inverse modeling
… due to active landslides with different interferometric synthetic aperture radar (InSAR) methods. The slow landslides (several cm per year) are well detectable with two-pass interferometry. In same time, the extremely slow landslides (several mm per year) could be detected only with time …
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