Showing 561 - 580 results of 1,594 for search '"navigation"', query time: 0.05s Refine Results
  1. 561

    New Choke Ring Design for Eliminating Multipath Effects in the GNSS System by Daming Lin, Encheng Wang, Jie Wang

    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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    Article
  2. 562

    Capabilities for Probing of Upper Atmosphere Density Variations and Seismic-Orbital Effects Using Small-Size Spacecraft by A. V. Tertyshnikov

    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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  3. 563

    Analysis of user experience during interaction with automotive repair workshop websites by Radosław Danielkiewicz, Mariusz Dzieńkowski

    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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    Article
  4. 564

    Autonomous Underwater Glider: A Comprehensive Review by Enrico Petritoli, Fabio Leccese

    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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    Article
  5. 565

    Safety monitoring and evacuation guide system for pipeline testing laboratory by indoor positioning technique and distributed sensor network by Lianhong Ding, Yu Xiao, Xiaotong Deng, Feng Li

    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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    Article
  6. 566

    Developing Visual Elements on the Web by Ricky W. Telg, Laura M. Gorham, Tracy Irani

    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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    Article
  7. 567

    Developing Visual Elements on the Web by Ricky W. Telg, Laura M. Gorham, Tracy Irani

    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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    Article
  8. 568

    Étude et traitement de deux cartes portulans by Nadège Duqueyroix

    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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    Article
  9. 569

    Event-Based Slip Estimation Framework for Space Rovers Traversing Soft Terrains by Ruqayya Alhammadi, Yahya Zweiri, Ahmad Abubakar, Mubarak Yakubu, Laith Abuassi, Lakmal Seneviratne

    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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    Article
  10. 570

    Learning from Demonstrations and Human Evaluative Feedbacks: Handling Sparsity and Imperfection Using Inverse Reinforcement Learning Approach by Nafee Mourad, Ali Ezzeddine, Babak Nadjar Araabi, Majid Nili Ahmadabadi

    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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    Article
  11. 571

    Complementary Roles of Hippocampus and Medial Entorhinal Cortex in Episodic Memory by P. A. Lipton, H. Eichenbaum

    Published 2008-01-01
    “…Spatial mapping and navigation are figured prominently in the extant literature that describes hippocampal function. …”
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    Article
  12. 572

    Detection and elimination method for deception jamming based on an antenna array by Shuyan Ni, Jianhua Cui, Naiping Cheng, Yurong Liao

    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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    Article
  13. 573

    An Optimization Synchronization Algorithm for TDDM Signal by Fang Liu, Yongxin Feng

    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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    Article
  14. 574

    On the Metric Dimension of Generalized Tensor Product of Interval with Paths and Cycles by Song Li, Jia-Bao Liu, Mobeen Munir

    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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    Article
  15. 575

    Measurement of Baseline and Orientation between Distributed Aerospace Platforms by Wen-Qin Wang

    Published 2013-01-01
    “…Distributed platforms play an important role in aerospace remote sensing, radar navigation, and wireless communication applications. …”
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    Article
  16. 576

    Path Planning Using a Hybrid Evolutionary Algorithm Based on Tree Structure Encoding by Ming-Yi Ju, Siao-En Wang, Jian-Horn Guo

    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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  17. 577

    Quelle position adopter face au patrimoine qui vient ? by Hervé Davodeau, Régis Barraud

    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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  18. 578
  19. 579

    An Aeromagnetic Compensation Algorithm for Aircraft Based on Fuzzy Adaptive Kalman Filter by Yao Zhang, Yu-Xin Zhao, Shuai Chang

    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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  20. 580

    Cooperative Guidance of Seeker-Less Missiles for Precise Hit by Jianbo Zhao, Fenfen Xiong

    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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