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 14 of 14 for “"passive remote sensing"”.
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Exploitation of infrared polarimetric imagery for passive remote sensing applications
… polarized electromagnetic waves, which can be remotely sensed by a specialized camera using a rotating polarizer in front of the focal plate array in order to generate the so-called Stokes parameters: S_0, S_1, S_2, and DoLP. Current research in this area has shown the ability of using such …
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Radiative transfer theory for active and passive remote sensing of sea ice
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
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Fusion of Full Waveform LiDAR and Passive Remote Sensing for Improved Land-Cover Classification
… classification is a crucial step in interpreting remote sensing data, and the accuracy determines the reliability of the product for further downstream applications. Hyperspectral sensors have been widely utilized for classification because of the discrimination afforded by its rich spectral …
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Data Fusion and Synergy of Active and Passive Remote Sensing; An application for Freeze Thaw Detections
… has been a recent evolvement in the field of remote sensing after increase of number satellites and sensors data which could be fused to produce new data and products. These efforts are mainly focused on using of simultaneous observations from different platforms with different spatial and …
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Evaluating the Potential for Estimating Age of Even-aged Loblolly Pine Stands Using Active and Passive Remote Sensing Data
… differences were normally small, (2) all three remote sensing methods produced reliable age estimates, and (3) the Landsat-VCT algorithm produced the best estimates for younger stands (5 to 22 years old, RMSEVCT=2.2 years, RMSEGeoSAR=2.6 years, RMSELiDAR=2.6 years, n=35) and the model that used …
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Maximizing the Utility of Radio Spectrum: Broadband Spectrum Measurements and Occupancy Model for Use by Cognitive Radio
… radio-navigation, radio astronomy, and passive remote sensing services. To maximize the utility of the radio spectrum, knowledge of its current usage is beneficial. As a result, several spectrum studies have been conducted in urban Atlanta, suburban Atlanta, and rural North Carolina. …
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Electromagnetic wave scattering by discrete random media with remote sensing applications
… problems with implications for the active and passive remote sensing of the Earth environment are obtained. The quasi-magnetostatic (QMS) solution for a conducting and permeable spheroid under arbitrary excitation is presented. The spheroid is surrounded by a weakly conducting background …
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Investigating Elevated Aqua Modis Aerosol Optical Depth Retrievals Over The Mid-Latitude Southern Oceans
… Southern Oceans has been identified in some passive satellite-based aerosol datasets such as Moderate Resolution Imaging SpectroRadiometer (MODIS) and Multi-angle Imaging SpectroRadiometer (MISR) products. In this study, Aqua MODIS (AM) aerosol products in this zonal region are investigated …
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A high gain tri-reflector antenna configuration for beam scanning
… design of a reflector antenna configuration for passive remote sensing and suitable for use on a geostationary platform; however, the resultant configuration is not limited to this application. The specific goal is the design of a reflector antenna configuration capable of precision beam scanning …
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Characterization of Tropical Clouds Using Multi-Satellite Observations
… Cloud Climatology Project), that is based passive remote sensing technology in the visible and infrared spectrum, this allows for a more coherent understanding of the dynamic structure of tropical clouds.</p> <p>In this study, we focus on the synergy between Cloudsat and TRRM radar …
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Infrasound as upper atmospheric monitor
… thesis, we revisit the use of infrasound as a passive remote sensing technique for the upper atmosphere. Signals from the Tungurahua volcano in Ecuador are used to investigate the behavior of the upper atmosphere. Depending on the atmospheric conditions, stratospheric, mesospheric and …
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Physics Guided Machine Learning algorithm for MAX-DOAS retrieval
… Optical Absorption Spectroscopy (MAX-DOAS) is a passive remote sensing technique that has been widely used to derive aerosol extinction coefficient profiles and trace gas concentrations. The ill-posed nature of the MAX-DOAS inversion problem makes it almost impossible to design an inversion …
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Evaluation Of A Microwave Radiative Transfer Model For Calculating Sat
Remote sensing is the process of gathering and analyzing information about the earth's ocean, land and atmosphere using electromagnetic "wireless" techniques. Mathematical models, known as Radiative Transfer Models (RTM), are developed to calculate the observed radiance (brightness temperature) …