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561
New Choke Ring Design for Eliminating Multipath Effects in the GNSS System
Published 2022-01-01“…The measured results show that the choke has good resistance to a multipath effect in the navigation frequency band (1.1–1.7 GHz) and can significantly improve the front-to-back ratio of the antenna.…”
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562
Capabilities for Probing of Upper Atmosphere Density Variations and Seismic-Orbital Effects Using Small-Size Spacecraft
Published 2020-12-01“…The "falling spheres method" is used to probe variations in the density of the upper atmosphere.A technical solution for diagnostics of orbital sections with abnormal changes in the speed and acceleration of spacecraft equipped with onboard navigation receivers and micro-accelerometers is considered.The technical result of the proposed development is the efficiency and cost – effectiveness of sounding variations in the density of the upper atmosphere, seismic-orbital effects-variations in the density of the atmosphere over earthquake-regions and the seismic hazard.…”
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563
Analysis of user experience during interaction with automotive repair workshop websites
Published 2024-03-01“…The results show that users encountered a variety of problems with navigation and search functions, and made suggestions for improving and expanding the website functions. …”
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564
Autonomous Underwater Glider: A Comprehensive Review
Published 2024-12-01“…The review also addresses the challenges and limitations in areas like payload, navigation, swarm management, and the effects of underwater environments on glider performance. …”
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565
Safety monitoring and evacuation guide system for pipeline testing laboratory by indoor positioning technique and distributed sensor network
Published 2018-06-01“…Based on the analysis of various indoor position methods, inertial navigation system–aided ultra-wideband system is realized for human positioning. …”
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566
Developing Visual Elements on the Web
Published 2015-10-01“…This 3-page publication is on developing visual elements (colors, images, navigation, and links) on the web and is the fourth of the Writing and Designing for the Web series. …”
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567
Developing Visual Elements on the Web
Published 2015-10-01“…This 3-page publication is on developing visual elements (colors, images, navigation, and links) on the web and is the fourth of the Writing and Designing for the Web series. …”
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568
Étude et traitement de deux cartes portulans
Published 2013-05-01“…Two portolan charts dated from the 17th century, from the National Maritime Museum in Paris, were studied and conserved in the conservation department of the Institut National du Patrimoine (Inp). These navigation maps were originally part of an atlas attributed to cartographer François Ollive’s workshop in Marseille. …”
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569
Event-Based Slip Estimation Framework for Space Rovers Traversing Soft Terrains
Published 2025-01-01“…Estimating terrain-induced longitudinal slip poses a significant challenge in space rover navigation, particularly when traversing soft terrains in low-light conditions. …”
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570
Learning from Demonstrations and Human Evaluative Feedbacks: Handling Sparsity and Imperfection Using Inverse Reinforcement Learning Approach
Published 2020-01-01“…We apply our method to three domains: a simulated navigation task, a simulated car driving problem with human interactions, and a navigation experiment of a mobile robot. …”
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571
Complementary Roles of Hippocampus and Medial Entorhinal Cortex in Episodic Memory
Published 2008-01-01“…Spatial mapping and navigation are figured prominently in the extant literature that describes hippocampal function. …”
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572
Detection and elimination method for deception jamming based on an antenna array
Published 2018-05-01“…A global positioning system is an important way of locating an aircraft, while deception jamming can affect the positioning accuracy of such navigation. Considering this, a detection and elimination method for deception jamming is proposed based on a specially designed array for the aircraft. …”
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573
An Optimization Synchronization Algorithm for TDDM Signal
Published 2016-01-01“…The time division data modulation (TDDM) mechanism is recommended to improve the communications quality and enhance the antijamming capability of the spread spectrum communication system, which will be used in the next generation global navigation satellite (GNSS) systems. According to the principle and the characteristics of TDDM signal, an optimization synchronization algorithm is proposed. …”
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574
On the Metric Dimension of Generalized Tensor Product of Interval with Paths and Cycles
Published 2020-01-01“…The concept of minimum resolving set for a connected graph has played a vital role in Robotic navigation, networking, and in computer sciences. In this article, we investigate the values of m and n for which P2⊗mPn and P2⊗mCn are connected and find metric dimension in this case. …”
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575
Measurement of Baseline and Orientation between Distributed Aerospace Platforms
Published 2013-01-01“…Distributed platforms play an important role in aerospace remote sensing, radar navigation, and wireless communication applications. …”
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576
Path Planning Using a Hybrid Evolutionary Algorithm Based on Tree Structure Encoding
Published 2014-01-01“…The experimental results show that the proposed hybrid method demonstrates using fewer turning points than traditional evolutionary algorithms to generate shorter collision-free paths for mobile robot navigation.…”
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577
Quelle position adopter face au patrimoine qui vient ?
Published 2018-06-01“…The first part of the paper provides a geo-historical contextualisation of the hydraulic works (groynes) intended to improve navigation (channeling). We focus on identifying and analyzing time references used over the different periods : before, during and after the initial development of the groynes and the channel. …”
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578
Entropy on Intuitionistic Fuzzy Sets and Hesitant Fuzzy Sets
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579
An Aeromagnetic Compensation Algorithm for Aircraft Based on Fuzzy Adaptive Kalman Filter
Published 2014-01-01“…In order to ensure the effectiveness of geomagnetic navigation, as the foundation, the precise measurement of geomagnetic field must be guaranteed; namely, aircraft aeromagnetic compensation is worthy of being further studied. …”
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580
Cooperative Guidance of Seeker-Less Missiles for Precise Hit
Published 2019-01-01“…Linear-quadratic optimal control and biased proportional navigation guidance (PNG) are employed to develop this two-stage cooperative guidance law to minimize the control cost in the first stage and to reduce the maximum acceleration command in the second stage when the acceleration command is continuous. …”
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