Mostrando 1,461 - 1,480 Resultados de 1,824 Para Buscar '"Jam ', tiempo de consulta: 0.16s Limitar resultados
  1. 1461
    “…In this study, we focus on understanding the nature of the boson peak based on the spatial heterogeneity of modulus fluctuations using a simple model system of a highly jammed two-dimensional granular material. Despite the simplicity of our system, we find that the boson peak in our two-dimensional system shows a shape very similar to that of three-dimensional molecular glasses when approaching their boson peak frequencies. …”
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  2. 1462
    “…The “jammed finger” is among the most common hand injuries and may include simple sprains, dislocations, fractures, and fracture-dislocations. …”
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  3. 1463
    “…This paper proposes to treat the jammer classification problem in the Global Navigation Satellite System bands as a black-and-white image classification problem, based on a time-frequency analysis and image mapping of a jammed signal. The paper also proposes to apply machine learning approaches in order to sort the received signal into six classes, namely five classes when the jammer is present with different jammer types and one class where the jammer is absent. …”
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  4. 1464
    “…The graft was beveled on the distal end and jammed into the shaft of the distal radius such that 1 cm of graft was inside the original bone. …”
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  5. 1465
    “…Compared with the epithelial layer that is unwounded, which is non-migratory, solid-like and jammed, the leading edge of the advancing cell layer is shown to become progressively more migratory, fluid-like, and unjammed. …”
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  6. 1466
    por Dean, Cornelia
    Publicado 2013
    “…Browne on teleporting, antimatter atoms, and the physics of traffic jams; James Glanz on string theory; George Johnson on quantum physics; William L. …”
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  7. 1467
    “…Sub-topics include: highway or urban vehicular traffic (dynamics of traffic, macro/micro modelling, measurements, data analysis, security issues, psychological issues), pedestrian traffic, animal traffic (e.g. social insects), collective motion in biological systems (molecular motors...), granular flow (dense flows, intermittent flows, solid/liquid transition, jamming, force networks, fluid and solid friction), networks (biological networks, urban traffic, the internet, vulnerability of networks, optimal transport networks) and cellular automata applied to the various aforementioned fields.…”
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  8. 1468
    por Zhao, Guodong, Zhang, Wei, Li, Shaoqian
    Publicado 2017
    “…Along with a comprehensive overview of existing spectrum sensing techniques, this brief focuses on the design of new signal processing techniques, including the region-based sensing, jamming-based probing, and relay-based probing. The proposed sensing techniques aim to detect the nearby primary receiver and estimate the cross-channel gain between the cognitive transmitter and primary receiver. …”
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  9. 1469
    “…Using audio playback and computational tools for the automated detection of over 2.5 million vocalizations from groups of freely vocalizing bats, we show that bats (Carollia perspicillata) can dynamically adapt the timing of their calls to avoid acoustic jamming in both predictably and unpredictably patterned noise. …”
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  10. 1470
  11. 1471
    por Lindeman, Chloe W., Nagel, Sidney R.
    Publicado 2021
    “…Cyclically sheared jammed packings form memories of the shear amplitude at which they were trained by falling into periodic orbits where each particle returns to the identical position in subsequent cycles. …”
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  12. 1472
    “…Monitoring of pesticide residues in fruits and vegetables and their processed products like jams, pickles, juices, ketchup, dried products and canned products was undertaken. …”
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  13. 1473
    “…The UAV can switch roles between a computing UAV and jamming UAV based on the channel conditions. To ensure the security of the content and the system energy efficiency in the process of offloading computing tasks, the UAV trajectory, uplink transmit power, user scheduling, and offload task are jointly optimized, and an updated-rate assisted block coordinate descent (BCD) algorithm is used. …”
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  14. 1474
    “…Foams are unstable jammed materials. They evolve over timescales comparable to their “time of use", which makes the study of their destabilisation mechanisms crucial for applications. …”
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  15. 1475
    por Aschwanden, Markus
    Publicado 2011
    “…The concept of ‘self-organized criticality’ (SOC) has been applied to a variety of problems, ranging from population growth and traffic jams to earthquakes, landslides and forest fires. …”
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  16. 1476
    “…However, recent risks to RF-derived positioning by jamming and spoofing have resurfaced the need to train sailors again in the art. …”
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  17. 1477
    “…Additionally, a Luenberger observer load torque (LOLT) is designed to observe the external load and provide feedback to the velocity controller, reducing the impact of load disturbances and improving the jamming performance of the controller. Simulation experiments confirm that ASPRL reduces buffeting, decreases overshoot, and shortens response time, demonstrating its advantages in PMSM control.…”
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  18. 1478
    “…Nowadays, some big cities are launching the first electric car-sharing projects to clear traffic jams and enhance urban mobility, as an alternative to the classic public transportation systems. …”
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  19. 1479
    “…When drones experience communication failure due to bad channel condition, interference, or jamming in a certain area, one existing solution is to exploit mobility or so-called spatial retreat to evacuate them from the communication failure area. …”
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  20. 1480
    “…We anticipate that the methodology outlined here will enable advances in understanding the propagation of seismic activity, the jamming transition, or the rheology and dynamics of dense suspensions.…”
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