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 85 for “"Outdoor Environments"”.
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Collaborative Micro Aerial Vehicle exploration of outdoor environments
… first responders, face challenging, dangerous environments, often with little advance knowledge or information about their surroundings. Currently, this Intelligence, Surveillance & Reconnaissance (ISR) information is provided by satellite imagery and prior or second-hand experiences. Although …
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Ground Vehicle Navigation through Traversability Analysis of Outdoor Environments
… di veicoli terrestri autonomi in ambienti outdoor non strutturati. Tali ambienti sono molto frequenti in un'ampia gamma di scenari applicativi, come la ricerca e il soccorso in caso di calamità, il monitoraggio di ambienti e impianti industriali, l'agricoltura di precisione, l'esplorazione …
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Laboratory studies of atmospheric photochemistry in indoor and outdoor environments
… the atmospheric photochemistry of indoor and outdoor environments, giving particular attention to the reactions that lead to SOA formation, notably those involving oxidant and peroxy radical (RO2) chemistry. First, this thesis examines the oxidation of dimethyl sulfide (DMS), which represents …
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Quality of experience: a discussion on experiential access to outdoor environments
This study explores experiential access to outdoor environments. This qualitative thesis presents the results of open-ended interviews with four people who have severe visual impairment. The interviews gathered information about the participants leisure activities in outdoor settings. The purpose …
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A study of outdoor environments for young children: re-envisioning the child development laboratories at UIUC
Although the significance of the outdoor environments in young children’s physical, cognitive, social and emotional development has been affirmed for a long time, there is an obvious decline in contemporary children’s daily outdoor experiences. In respond to this trend, traditional research focuses …
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Experiential Learning in School Gardens and Other Outdoor Environments: A Survey of Needs for Supplemental Programs
… teaching methods using school gardens and other outdoor environments. The survey was also intended to determine interest in incorporating supplemental programs into the K-5 Montgomery County Public School curriculum to enhance the Virginia Standards of Learning related to plants and environmental …
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Analyzing Bit Error Rate using Universal Software Radio Peripheral (USRP) Software Defined Radio in Indoor and Outdoor Environments
… over long term scales in both indoor as well as outdoor environments with the help of Software Defined Radio’s (SDR). Software Defined Radio technology provides cost effective approach and flexibility whereas the hardware approach of traditional systems has significant limitations. We used SDR …
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Propagation channel models for 5G mobile networks. Simulation and measurements of 5G propagation channel models for indoor and outdoor environments covering both LOS and NLOS Scenarios
… of Indoor-Indoor (LOS and NLOS), and indoor-outdoor (NLOS) propagations channels are intensively investigated at four different frequencies; 5.8 GHz, 26GHz, 28GHz and 60GHz for vertical polarized directional, omnidirectional and isotropic antennas patterns. The computed data achieved from the …
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Autonomous Navigation and Simultaneous 3D Mapping with a UGV in an Open-Ended Environment
… ground vehicle (UGV) operating in complex outdoor environments. By combining panoptic segmentation for comprehensive scene understanding with the ROS2 Navigation Stack (Nav2) and RTAB-Map for real-time 3D mapping, a robust perception, mapping, and path planning framework is developed. This …
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The impact of exposure to restorative settings and laptop use on cognitive functioning
… experiment with 81 adults at eight different outdoor locations on the University of Illinois campus: four were devoid of vegetation and four included views to vegetation. Participants were further randomly assigned to either use their laptop computers for leisure activities or to sit and relax …
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Walking in old age: A year-round perspective on accessibility in the outdoor environment and effects of measures taken
… of measures taken, to achieve barrier-free outdoor environments the year round. Older peoples’ perceptions as pedestrians in terms of usability, mobility, and perceived safety, as well as municipal employees’ views, contribute to the findings presented. A mixed-method approach is applied …
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Indoor positioning using modulated echo radio localization instrument (MERLIN)
… and its close integration within indoor environments, the ability to navigate people and devices indoors has become increasingly important for numerous applications. Global Positioning System (GPS) has solved the issue of positioning and navigation for outdoor environments. However, it …
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Performance of orthogonal frequency division multiplexing in a high noise, low signal-to-noise ratio environment with co-channel interference
… OFDM and measure its performance in a multipath, outdoor environment with low signal-to-noise ratio, high noise and cochannel interference. Because of the unpredictability of the outdoor environment and the proliferation of various OFDM standards, the simulation will utilize only one algorithm for …
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Integrated perception and control at high speed
… quadrotor flight through unknown cluttered environments using integrated perception and control. Motivated by experiments in which the difficulty of accurate state estimation was a primary limitation on speed, our method forgoes maintaining a map in favor of using only instantaneous depth …
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High compliance all-terrain transport and heavy cargo hybrid bicycle
… possible applications in military, urban, and outdoor environments. Testing also showed that further research into refining the cargo transports driving dynamics and the manufacturing of the most critical components is merited.
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Hardware Testbed for Relative Navigation of Unmanned Vehicles Using Visual Servoing
… a wide variety of conditions in both indoor and outdoor environments, at short and long ranges, and its modular design allows it to easily test many different sensing and control technologies.
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An Integrative Approach to Therapeutic Outdoor Spaces in Dementia-Care Units
… dementias (ADRD) and the design of therapeutic outdoor spaces for these persons. With the rapid growth of the aging population, appropriate outdoor spaces will become essential to improved quality of life for older adults with ADRD. This study explores nonpharmacological treatment approaches for …
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Navy SEAL Prosthetic Hand
… to user input, and are not fit for harsh outdoor environments. This report will detail the current development of a re-design of a custom left hand prosthesis for an active duty Navy SEAL and the transition from electronic controls to full body power function.</p>
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Monocular vision based navigation using image moments of polygonal features
… to show the effectiveness of our algorithm in outdoor environments.
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Mobile electronic aids for indoor wayfinding
… have been done in the past, but most pertain to outdoor environments and few studies take place solely indoors. This thesis also sought to develop a portable wayfinding aid that could downloaded to a visitor’s portable device and be carried around during their visit to a new indoor environment. …
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