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.
Results
Showing 1 to 20 of 33 for “"Spatio-temporal resolution"”.
-
A Hybrid Dynamically Adaptive, Super-Spatio Temporal Resolution Digital Particle Image Velocimetry for Multi-Phase Flows
A unique, super spatio-temporal resolution Digital Particle Image Velocimetry (DPIV) system with capability of resolving velocities in a multi-phase flow field, using a very sophisticated novel Dynamically Adaptive Hybrid velocity evaluation algorithm has been developed The unique methodology of …
-
Imaging of bromine oxide and formaldehyde using Fabry-Perot interferometer correlation spectroscopy
… are required that do not only combine a high spatio-temporal resolution with a high trace gas selectivity, but that are also robust and compact enough to be used in field measurements. In this thesis, a prototype imaging instrument for formaldehyde (HCHO) and bromine oxide (BrO) based on …
-
Surface plasmon enhanced fluorescence for biological imaging : from visible to short-wave infrared
Fluorescence imaging offers high spatio-temporal resolution, low radiation dosage exposure, and low cost among all the available imaging modalities, for example, magnetic resonance imaging, computerized tomography and positron emission tomography. Imaging probes of high emissivity and …
-
Deep learning for downscaling GOES-18 measurements for wildfire detection
… remain difficult due to limitations in the spatio-temporal resolution of current satellite imagery. For example, the Geostationary Operational Environmental Satellites (GOES-R) series containing the Advanced Baseline Imager (ABI) offers high temporal resolution for frequent observations but …
-
Light-triggered release of bioactive compounds from HA/PLL multilayer films for stimulation of cells
… trigger the release of the stored ATP with high spatio-temporal resolution. Both physico-chemical (competitive intermolecular interactions in the film) and biological aspects (cellular response and viability) are addressed in this study. Biopolymers hyaluronic acid (HA) and poly-L-lysine (PLL) …
-
Imaging of volcanic trace gases by Fabry-Perot interferometer correlation spectroscopy
… applied imaging techniques still either lack in spatio-temporal resolution like, e.g., Imaging DOAS or in selectivity and sensitivity like sulphur dioxide (SO2) cameras. Throughout this thesis, a novel imaging approach based on Fabry-Perot interferometer correlation spectroscopy (FPI CS) is …
-
High resolution spectropolarimetric diagnostics of weak, small-scale magnetic fields in the solar photosphere
… With the advent of next generation high resolution telescopes, our understanding of how the magnetic field is organized in the internetwork (IN) photosphere is likely to advance significantly. Presented are high spatio-temporal resolution observations that reveal the dynamics of two …
-
On the hydrodynamics of flexible vegetation canopies
… rigidity on flow and turbulence processes. High spatio-temporal resolution velocity datasets are acquired through the implementation of novel methodological approaches, including refractive-index-matching techniques allowing non-intrusive laser-based techniques to obtain detailed measurements …
-
Developmental tissue dynamics using non-diffracting light-sheet microscopy
… but requires imaging techniques with a high spatio-temporal resolution that do not affect the development of the sample. Light-sheet based microscopy has become the method of choice, and has allowed new studies of development on a systems level. Nonetheless, imaging of higher organisms …
-
High-Density Electrode Arrays for Cutaneous Electrophysiology and Body Surface Potential Mapping Design, fabrication and biomedical applications
… the work delivers a platform for advanced spatio-temporal electrophysiological sensing. The first section focuses on the optimisation of electrode array designs. Through modelling and experimental validation, key design parameters are optimised to maximise signal quality and spatio-temporal …
-
Network Dynamics of Visual Naming
… out by dedicated cortical substrates in the temporal and occipital lobes, while response selection and articulatory planning are handled by prefrontal cortex. Despite decades of research using lesion analysis, functional MRI and electro-encephalography, the precise dynamics involved remain …
-
Functional imaging of cancer using Optoacoustic Tomography
… high cost, long procedure times and limited spatio-temporal resolution. Optoacoustic tomography (OT) is an emerging clinical imaging modality that can provide static images of endogenous haemoglobin concentration and oxygenation. In this work, an integrated framework for quantitative analysis …
-
The effect of dynamic operation and incoming flow on the wake of a utility-scale wind turbine
… such as lidar and anemometers have limited spatio-temporal resolution, inhibiting their ability to capture the highly dynamic and heterogeneous behaviors characteristic of wind turbine wakes. To address these shortcomings, super-large-scale flow imaging with natural snowfall is used to …
-
Technology development for studying information flow in biological neural networks
… to the neurons with high selectivity and spatio temporal resolution. In this project, a µLED array is designed and fabricated as a light source for a coupled optrode array. In terms of the design, the optrode array is able to provide an optical irradiance of about 80 mW/mm2 at the needle …
-
Analyses of diverse stresses, including hypoxia, cyanide, and hypergravity in Caenorhabditis elegans
… describe the resistance phenotypes with greater spatio-temporal resolution. The results shed light on the underlying genetic bases that contribute to cyanide resistance, including the role of the hypoxia-inducible factor HIF-1. They also reveal new findings about the cyanide resistance phenotype, …
-
Reconstruction of multiple climate variables at high spatiotemporal resolution based on Big Earth data platform
Reconstruction of climate variables with high spatio-temporal resolution is important when the meteorological observations required for environmental monitoring and modelling do not cover the study area. In addition, climate model reanalysis datasets suffer from coarse spatio-temporal resolutions, …
-
Development of Quantitative Ultrasound-Mediated Molecular Imaging of The Tumor Microenvironment
… methods suffer from limitations such as poor spatio-temporal resolution and poor depth penetration. To overcome these limitations, ultrasound (US)-mediated imaging techniques have been investigated to characterize these molecular imaging biomarkers.</p> <p>The objective of this work is to …
-
Engineered microvasculature platforms to study tumor-host-matrix interactions during metastatic seeding
… of extravascular cells combined with high spatio-resolution imaging for deciphering cell morphological dynamics can be easily achieved due to excellent optical accessibility. To demonstrate the ability to obtain novel biological insights, we apply the assay to decipher the roles of tumor …
Page 1 of 2