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 20 of 23 for “"PNT"”.
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Exploiting Signals of Opportunity for High-Precision PNT: Optimized Bayesian Estimation Across 5G and LEO Networks
… positioning, navigation, and timing (PNT) systems. While traditional global navigation satellite systems (GNSS) degrade severely in deep urban canyons, emerging terrestrial 5G millimeter-wave and non-terrestrial low Earth orbit (LEO) satellite signals of opportunity offer highly …
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Computational investigation on polycyclic aromatic hydrocarbons in the molecular and solid phases
… molecule. HTP is a derivative of pentacene (PNT) obtained by symmetric substi- tution of the six central H with S atoms. We discuss in a compar- ative way the key molecular properties of HTP and PNT. In par- ticular, electron affinities, ionization energies, quasi-particle energy- gaps, …
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Using Random Sampling Consensus (RANSAC) to Detect Errors in Global Navigation Satellite Systems (GNSS) Signals and Data
A positioning, navigation, and timing (PNT) signal can be used to estimate a user's position at an identified time. A global navigation satellite system (GNSS) uses the PNT signal to provide satellite-based navigation. Advanced receivers can track multiple GNSS constellations simultaneously. In …
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Hiker Trash and Trail Dogs: An Ethnographic Inquiry into Human Nature in the Trail Space
… and the Pacific Northwest National Scenic Trail (PNT), making it an ideal study area for understanding cultural phenomena associated with deeply immersed trail culture. Understanding the well-developed trail culture on the PCT may help provide insight for management challenges associated with the …
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Resilient Navigation through Jamming Detection and Measurement Error Modeling
… critical positioning, navigation, and timing (PNT) services across various sectors. GNSS signals are weak when they reach Earth from Medium Earth Orbit (MEO), making them vulnerable to jamming. The jamming threat has been growing over the past decade, putting critical services at risk. In …
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Resistance Exercise and Glycemic Health: Investigating the Impact of Resistance Exercise in Healthy Individuals and Those with Impaired Glucose Homeostasis
… randomized to a peanut containing snack group (PNT) or a higher carbohydrate containing snack group (CHO), each designed to provide participants with an additional 500 kcal/day. Participants also engaged in a whole-body hypertrophy-focused RE protocol 3 days/week for 10 weeks. CGM devices were …
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Adaptive Interference Mitigation in GPS Receivers
… providing positioning, navigation, and timing (PNT) information. A growing number of public sector and commercial applications rely on the GNSS PNT service to support business growth, technical development, and the day-to-day operation of technology and socioeconomic systems. As GNSS signals …
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Mejora del procedimiento logístico de transporte mediante la estandarización de operaciones en una ferretería de Huánuco
… del Procedimiento Normalizado de Trabajo (PNT), capacitación del personal y seguimiento técnico del proceso estandarizado. Se empleó la herramienta de estandarización de procesos como base para optimizar la consolidación de cargas, la programación semanal de despachos y el control de …
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Smartphone precise positioning in urban environments using internal GNSS and IMU sensors
… resilient Positioning, Navigation, and Timing (PNT) solutions with a developed smartphone processing software. This research commences with the investigation of smartphone Precise Point Positioning (PPP) performance with external ionospheric constraints. To effectively utilize all satellite …
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Solid Phase Synthesis and Biological studies on metal conjugates of bioactive peptides for targeted delivery
… NT(8-13) and the modified Pseudoneurotensin (pNT) were synthesized and tested for their binding affinity to the NTR1 receptors in the HT 29 adenocarcinoma cell line. Replacement of Arg8-Arg9 with Lysines in pNT led to a significant decrease in the binding affinity. The metal-NT bioconjugates …
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Rapid On-Demand Launch Mission Planning for Timely Delivery of Spacecraft Constellations
… net-enabled weapon, provide reconstitution of a PNT constellation, view persistence, and on-demand coverage of natural phenomena for disaster response. The three novel contributions of this work are creation of a mission planning system to deliver a constellation on-demand to observe a target …
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Genetic Analysis of Taste in Homo Sapiens
… super (PST), medium (PMT), and non-tasters (PNT). Another taste phenotype, also serving as a proxy for general taste responsiveness, is TTS, classifying individuals as thermal tasters (TTs) or thermal non-tasters (TnTs). DNA extractions from buccal cells obtained from 60 individuals were …
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Joint Localization and Synchronization via User Cooperation in Non-Terrestrial Networks
… for positioning, navigation, and timing (PNT) by providing diversity and increasing the signal-to-noise ratio (SNR) over global navigation satellite systems (GNSS). However, the primary challenge in NTNbased localization with LEO satellites is the lack of precise clock synchronization, …
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Examining Indigenous Students’ Persistence in a Hybrid Pre-Nursing Transitions Environment
… year of an Indigenous Pre-Nursing Transitions (PNT) program in a western Canadian university. Scholarly literature on persistence and community models such as Tinto’s (1975) Student Integration Model and Wenger’s (1998) Community of Practice were evaluated for their applicability to …
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Evaluating Nutrition Recommendations and Identifying Predictors to Promote Healthy Weight Gain through Whole Foods in Athletic Individuals
… of either peanut-based whole foods/snacks (PNT group) or a similar, high-CHO, peanut-free snack (CHO group) along with a supervised RT regimen (60 to 120 min, 3 day/wk targeting major muscle groups). Body composition (via dual-energy x-ray absorptiometry), basic anthropometric measurements, …
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PREDICTORS OF APHASIA TREATMENT OUTCOME
… the <italic>Philadelphia Naming Test</italic> (PNT) pre-test predicted correct naming improvement for untreated items.</p> <p><bold>Discussion:</bold> The present findings support the use of behavioral measures to predict aphasia treatment outcome, though combinations of behavioral and …
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Strategic Cybersecurity for Critical Space Infrastructure: Bridging Technical Gaps and Regulatory Compliance
… για υπηρεσίες θέσης, πλοήγησης και χρονισμού (PNT) και δορυφορικές επικοινωνίες, το έχει ανεβάσει σε στρατηγικό δομικό στοιχείο για πολλούς επίγειους τομείς. Ωστόσο, η μετάβαση σε αρχιτεκτονικές «Νέου Διαστήματος» με εμπορικά Off-The-Shelf (COTS) στοιχεία και λογισμικά ορισμένα ωφέλιμα φορτία …
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Advanced Receiver Autonomous Integrity Monitoring for Multi-Constellation GNSS and LEO-Augmented GNSS
… for modern positioning, navigation, and timing (PNT) services, from driving directions to timing in telecommunications. In safety-critical areas such as aviation, it is not enough for these systems to be accurate, they must also be high integrity, the ability of the system to provide timely …
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A Phenotypic And Genetic Characterization Of The Cell Adhesion Molecules Echinoid And Friend-Of-Echinoid In The Directed Cell Movements Of Ommatidial Rotation During Drosophila Eye Development.
… downstream effectors of Egf signaling: the Mapk/Pnt transcriptional output and the Cno cytoskeletal/junctional output. Furthermore, my analysis of the <italic>cno</italic> loss-of-function phenotype provides the first indication that Cno inhibits ommatidial rotation. Egf signaling promotes …
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Trade implications of gene-edited wheat under different regulatory scenarios
Wheat is a key global commodity and an essential component in the global food basket. However, in an era of climate change, dry weather conditions, and plant diseases, meeting the increasing demand for food is still a challenge. New breeding techniques (NBTs) or gene editing are rapidly emerging as …
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