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801
Numerical Modeling and GNSS Observations of Ionospheric Depletions Due To a Small‐Lift Launch Vehicle
Published 2023-09-01“…Abstract Space launches produce ionospheric disturbances which can be observed through measurements such as Global Navigation Satellite System signal delays. Here we report observations and numerical simulations of the ionospheric depletion due to a Small‐Lift Launch Vehicle. …”
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802
Allocentric and egocentric spatial representations coexist in rodent medial entorhinal cortex
Published 2025-01-01“…Abstract Successful navigation relies on reciprocal transformations between spatial representations in world-centered (allocentric) and self-centered (egocentric) frames of reference. …”
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803
Towards an optimization of catheter guidance in vascular surgery: A comparative analysis of the contribution of reinforcement learning
Published 2024-01-01“…Methods: This study evaluates the efficacy of advanced reinforcement learning (RL) techniques to enhance catheter navigation. We compare different RL approaches within simulated vascular environments, focusing on their success rates, operational efficiency, and adaptability to varied clinical scenarios. …”
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804
Prefrontal cortex synchronization with the hippocampus and parietal cortex is strategy-dependent during spatial learning
Published 2025-01-01“…Here we show that during navigation trials, mice displayed two sequential behavioral stages: searching and exploration. …”
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805
A Fully Controllable UAV Using Curriculum Learning and Goal-Conditioned Reinforcement Learning: From Straight Forward to Round Trip Missions
Published 2024-12-01“…Building upon these fundamental challenges, an additional need exists for agents that can handle diverse missions like round-trip navigation without requiring retraining for each specific task. …”
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806
Dans l’ordinateur d’un médiéviste. Peut-on utiliser un logiciel de personal knowledge management pour appliquer une méthode de recherche historique ?
Published 2023-12-01“…Obsidian allows one to navigate through one’s own analyses in a powerful, rapid and easy manner. …”
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807
Spatial Dynamic Wideband Modeling of the MIMO Satellite-to-Earth Channel
Published 2014-01-01Get full text
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808
Application of a Multi‐Layer Artificial Neural Network in a 3‐D Global Electron Density Model Using the Long‐Term Observations of COSMIC, Fengyun‐3C, and Digisonde
Published 2021-03-01“…Abstract The ionosphere plays an important role in satellite navigation, radio communication, and space weather prediction. …”
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809
Investigation of the Feasibility and Safety of a Highly Intensive Penetration Technique for Recanalization in Severe Calcified Femoropopliteal Occlusive Lesions: A Retrospective Ob...
Published 2025-01-01“…ABSTRACT Background and Aims When dealing with severely calcified lesions in endovascular therapy (EVT) for lower extremity artery disease (LEAD), navigating through severely calcified chronic total occlusion (CTO) using hard‐tip guidewires can be challenging. …”
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810
Yacht Design and Maritime Landscape: Continuity in artisan Culture
Published 2017-12-01“…The paper highlights the matrices of Mediterranean navigation and the relationship with artisan work processes, as well as how they have continued to characterize the nautical field and how research has identified themes which today seem to be able to characterise a culturally and economically important sector such as that of the production of sports yachts.…”
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811
CLASS: A Framework for Strategic Thinking and Actions during Academic and Workplace Transitions
Published 2024-12-01“… The CLASS framework is a versatile tool college students can use when learning how to proactively and intentionally navigate new educational and work environments. It provides a concrete strategy for strategic thought processes, routines, and dialogues that can be adapted to fit different student support models. …”
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812
Filtered Medial Surface Based Approach for 3D Collision-Free Path Planning Problem
Published 2018-01-01“…Given a 3D grid representation of the environment, the Generalized Voronoi Graph (GVG) is first approximated using a filtered medial surface (FMS) algorithm on the corresponding navigable space. Based on an efficient pruning criterion, the produced FMS excludes GVG portions corresponding to narrow passages unfitting safe UAV navigation constraints, and thus it defines a set of guaranteed safe trajectories within the environment. …”
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813
Positioning Performance of Power and Manual Drivers in Posterior Spinal Fusion Procedures
Published 2017-01-01“…A total of 100 screws (64 manual and 36 power driven), all placed utilizing a surgical navigation system, were analyzed and compared. Final screw placement was compared to initial surgical plans using the navigation system, and the final screw locations were analyzed on the basis of angular deviation from these planned trajectories as well as screw translation within a critical reference plane. …”
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814
Technique of sacrectomy at the combined operations for locally advanced rectal cancer
Published 2018-08-01“…To develop method for sacrectomy border location for the correct intraoperative navigation. Results. The distal sacrectomy technique at rectal cancer is presented in details. …”
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815
GNSS spoofing in conflict zones disrupts wildlife tracking and hampers research and conservation efforts
Published 2025-01-01“…In war and conflict zones, the jamming of Global Navigation Satellite System (GNNS) signals by military forces disrupts the tracking of tagged animals, and has increased in frequency following the recent escalation of conflicts in Eastern Europe and the Middle East. …”
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816
FOREIGN POLICIES AND DIPLOMACY OF AFRICAN STATES IN AN ERA OF GLOBALIZATION: CHALLENGES AND PROSPECTS
Published 2024-06-01“…It also examines the strategies employed by these nations in navigating a globalized world, emphasizing the role of diplomacy as a crucial tool for addressing shared challenges and advancing national interests. …”
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817
Multilevel Association Rule Mining for Bridge Resource Management Based on Immune Genetic Algorithm
Published 2014-01-01Get full text
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818
Frequency Diverse Array Target Localization Based on IPSO-BP
Published 2020-01-01Get full text
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819
Toward satellite-terrestrial integration: 6G cloud-fog collaborative self-organizing network
Published 2024-03-01“…In addition, key technologies such as integrated communication, sensing, navigation, and control waveform, as well as resource management based on satellite onboard fog processing, along with mobility management and intelligent information processing based on cloud-fog collaboration, were elaborated in detail. …”
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820
Breaking Undular and Breaking Surges Advancing in Still Water
Published 2023-01-01“…The propagation of secondary surges can lead to unexpected interaction events with navigation ships and downstream hydraulic structures; hence, they may cause navigation accidents and structural damage. …”
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