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 9 of 9 for “"scan method"”.
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Evaluation of Scan Methods Used in the Monitoring of Public Health Surveillance Data
… are all collecting data and developing new methods to be used in the detection of anomalies. Many of these methods are developed, applied to a real data set, and incorporated into software. This research, however, takes a different view of the evaluation of these methods. We feel that there …
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Časově rozlišená laserová spektroskopie nanomateriálů
… of theory and experimental setup of the z-scan method, which can be used to measure the nonlinear refractive index and the two-photon absorption coefficient. In theoretical part we describe the influence the quality of laser beam, quality and thickness of the sample on measurements. There …
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A cold strontium Rydberg gas
… states, and have developed a sensitive ``step-scan" spectroscopic technique that detects the spontaneous ionization of the Rydberg gas. The step-scan method is used to acquire Stark maps, and these measurements verify a single-electron model for calculating dipole matrix-elements. From the …
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Rapid-Scan EPR and Imaging
… have been studied. Developments in rapid scan imaging techniques are reported that improve efficiency of experiments and user-friendliness of software.</p> <p>Relaxation and signal-to-noise ratio (S/N) in pulse experiments on trityl radicals were measured at frequencies between 400 MHz and …
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Development of Low Frequency Electron Paramagnetic Resonance Methods and Instrumentation for Biological Applications
… can be mapped. To facilitate EPR imaging, methods and instrumentation at frequencies between 250 MHz and 1 GHz were developed.</p> <p>At low spin concentrations, the rapid scan background signal is often many times larger than the EPR signal of interest. To help remove the background …
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An experimental investigation of some capillary pressure-relative permeability correlations for sandstone reservoir rocks.
… tomography (CT) imaging. Adopting a medical scanner for core analysis led to poor quantitative results. It has been found that to obtain reliable images, the scanner must be recalibrated using a reference point which falls within the geological region of interest. The technique has been …
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Measuring Nonlinear Properties of Graphene Thin Films Using Z-Scan Technique
… measuring the nonlinear parameters, and the Z-scan method has been considered the standard approach due to its simplicity and sensitivity. The main goal of this research was to investigate the thermal nonlinearities of nonfunctionlaized and functionalized graphene thin films without and with …
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Analysis and Evaluation of Social Network Anomaly Detection
… detection. While there are a variety of proposed methods suitable for different monitoring situations, two important issues have yet to be completely addressed in network surveillance literature. First, performance assessments using simulated data to evaluate the statistical performance of a …
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Electron Beam Diagnostic at the ELBE Free Electron Laser
… including an explanation of the experimental methods and the measurement error analysis. The transverse emittance was measured with the multislit method in the injector where the beam is space charge dominated. The transverse emittance of the accelerated beam was measured with the quadrupole …