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 53 for “"Global Positioning Systems"”.
-
Geologic Face Mapping Methodology Utilizing Global Positioning Systems and Unmanned Aircraft Systems
… collection and coverage area. Advancements in Global Positioning Systems (GPS), Unmanned Aircraft Systems (UAS), and software packages offer new tools and techniques for collecting high volume, accurate geologic information. These tools can provide geologists with safe and efficient ways to …
-
Multi-Constellation GNSS Scintillation at Mid-Latitudes
Scintillation of Global Positioning Systems (GPS) signals have been extensively studied at low and high latitude regions of the Earth. It has been shown in past studies that amplitude scintillation is severe at low latitudes and phase scintillation is severe at high latitudes. Unlike low and high …
-
Development of a Predictive Habitat Evaluation Model for Gaillardia Aestivalis (Walt.) Rock. Var. Winkleri (Cory) Turner Using GPS, Remote Sensing and GIS Techniques
<p>Geographic Information Systems (GIS), Global Positioning Systems (GPS) and remote sensing techniques were utilized to characterize and subsequently predict potential habitat of Gaillardia aestivalis var. Winkleri, occurring in Hardin County, TX. Field investigations along with CIR positive …
-
Indoor 3D Modeling Using Consumer Drones and Neural Simultaneous Localization and Mapping (SLAM) for Virtual Reality
… 3D reconstruction from drone video feeds without global positioning systems. The system achieves 21.06 frames per second on NVIDIA RTX 4070 Ti while maintaining trajectory accuracy with 6.61 cm root mean squared error (RMSE) on the Replica benchmark. The modular architecture supports both …
-
Acceleration and fatigue in soccer
… the validity and reliability of 5 and 10 Hz global positioning systems (GPS) for measuring instantaneous speed during the acceleration, deceleration and constant speed phase of straight-line running. The criterion measure used to assess GPS validity was instantaneous speed recorded using a …
-
Mobile Banking Security Using GPS and LDPC Codes
… system to secure mobile banking procedures using global positioning systems (GPS) within mobile devices, and low density parity codes (LDPC). The approach is to determine a user's daily locations, set them as trusted locations, and use LDPC codes not only to obscure this data from attackers, but …
-
Urban Pilot : a dynamic mapping tool for personalizing the city through collective memory
… realtime interactivity generated by Wireless and Global Positioning Systems (GPS). This study proposes a tool, which encourages personal perception and collective experience of cities by providing a dynamic information space that overlaps the city with individual users, both spatially and …
-
BOLTZMANN ENTROPY FOR UNDERSEA TERRAIN AIDED NAVIGATION
The ability to navigate accurately without Global Positioning Systems (GPS) or beacon systems remains an elusive yet important capability for unmanned systems. Reliance on external beacon systems, like GPS and long baseline, create system vulnerabilities if those beacon systems are damaged or …
-
Geomagnetic Aided Dead-Reckoning Navigation
<p>The dependence of modern navigation methods on global positioning systems has led to developing alternative algorithms for localization, capable of providing reliable and robust estimations. Global position system is commonly used in a vast majority of the world’s devices, and it can supply real …
-
Wearable Devices for Improved Equine Welfare
… measure vital parameters. These sensors leverage global positioning systems, accelerometers, magnetometers, goniometers, optics, among other emerging sensing technologies. The success of these devices has led to the introduction of various equine wearable sensors into market. These technologies …
-
Building and Integrating an Information Security Trustworthiness Framework for Aviation Systems
… composed of aircraft, air traffic control systems, airports and public airfields. Much attention has been given to physical security along the years this industry has been expanding; and now, in the new age of interconnection devices, a growing concern about cybersecurity has risen.</p> …
-
The Relevance of Potential Indicators of External Load for Movement Evaluation in Elite Football Training
… an effective training load monitoring strategy. Global Positioning Systems (GPS) incorporated into Micro-Electro-Mechanical Systems (MEMS) devices appear to be the technology that has been most widely adopted to determine activity (Akenhead & Nassis, 2016). The commonly used GPS technologies are …
-
Análise espacial das obras do projeto de integração do Rio São Francisco (eixo leste) no Estado da Paraíba.
… specifically of Geographical Information Systems, Remote Sensing, Global Positioning Systems and field activity. It’s worrying that the first project presented with funds made available by Federal Government, foresees, in the foreground, the utilization of these waters in the littoral …
-
Positional accuracy of the Wide Area Augmentation System
Global Positioning Systems devices are increasingly being used for data collection in many fields. Consumer-grade GPS units without differential correction have a published horizontal accuracy of approximately 10 to 15 meters (average error). An attractive option for differential correction for …
-
Void communication : a method of communication for the future
… of technological communication -cellular phones, global positioning systems, portable computers, Youtube TM and Skype TM- our relationship to the world around us transforms into a series of impersonal contact-less transactions. These technologies simultaneously augment and conceal an already …
-
Relationships Between Training Load Metrics and Injury in Collegiate Women's Soccer
… is utilized in injury risk reduction through global positioning systems (GPS) with statistical modeling. The purpose of this study was to investigate the external loads for training sessions and competition in starters versus non-starters; to determine if there were control chart violations …
-
Artificial Neural Networks and Map-Matching for GPS Navigation
Global navigation satellite systems (GNSS), such as the Global Positioning System (GPS) have been increasingly used in navigation and tracking of vehicles. Using GPS, certain positioning errors and limitations, such as multipath effects and the geometric position of the satellites (DOP) or signal …
-
The middle of nowhere: the photographic search for an unknown landscape
… in its entirety. With the aid of satellites, global positioning systems, the Internet, closed circuit television, tourists with cameras, and mobile camera phones, there is no landscape left undocumented. Advances in transportation and technology make it possible to travel everywhere, anytime. …
-
Attack resilient GPS based timing for phasor measurement units using multi-receiver direct time estimation
Modern power distribution systems are incorporating Phasor Measurement Units (PMUs) to measure the instantaneous voltage and current phasors at different nodes in the power grid. These PMUs depend on Global Positioning Systems (GPS) for precise time and synchronization. However, GPS civil signals …
-
Transitions Of Light
… of these ideas and information. Social media, global positioning systems and on demand services have reached a point where our actions and nearly everything around us is tied to a computational system. My work attemps to bring this computational system into our physical space, where it can be …
Page 1 of 3