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441
Topology control of satellite networks for multi-layer and multi-domain mega-constellation
Published 2024-07-01“…A multi-layer and multi-domain topology description model based on Beidou grid position code was proposed. …”
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442
Coherent Population Trapping Resonances in Cs Atomic Vapor Layers of Micrometric Thickness
Published 2011-01-01Get full text
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443
Object Tracking Algorithm Based on Multi-Layer Feature Fusion and Semantic Enhancement
Published 2025-06-01“…However, this algorithm exhibits insufficient tracking accuracy and boundary box drift when dealing with similar background clutter, which directly affects the subsequent tracking process. To overcome this problem, this paper constructs a semantic enhancement model, which utilizes multi-layer feature representations extracted from deep networks, and correlates and fuses shallow features with deep features by using cross-attention. …”
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444
Study on the scale effect and mechanical properties of gravel materials in riverbed cover layers
Published 2024-12-01Get full text
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445
Influence of hydrogen content in tokamak scrape-off-layer on performance of lithium divertor
Published 2024-01-01“…Self-replenishing liquid metal coatings are considered as a perspective divertor design able to withstand challenging particle and power loads of a fusion tokamak-reactor. Numerical modeling of the scrape-of-layer (SOL) plasma with advanced 2D codes, such as SOLPS, is necessary for developing of the ‘liquid-metal’ divertor. …”
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446
Efficient Identification Method of Fractured Leaky Layers Based on Pressure Gauge Arrays
Published 2025-02-01Get full text
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447
Optimization Design and Propulsion System Sizing Methodology of Double-Layer Staggered Octocopter
Published 2024-01-01“…For the purpose of increasing thrust, reducing weight, and maximizing power efficiency, DLSOs are designed with the optimal combination of structural parameters and propulsion systems using noncustomized products. The optimization process is divided into two steps. First, utilizing the simulation results from Latin hypercube design-guided sample points, a surrogate model is established by the radial basis function (RBF)–based neural network to forecast the thrust of the staggered rotors. …”
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448
Comprehensive studies of the snow-firn layer in the area of the Russian Antarctic Vostok Station
Published 2025-07-01“…The study's findings aided in the understanding of the structural features of the ice sheet's surface layer, allowing for more precise determination of the structural and physical characteristics of the snow-firn layer and ice, potentially leading to a better understanding of climatic and geological processes in Antarctica.…”
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449
Analysis on Subsidence Law of Bedrock and Ultrathick Loose Layer Caused by Coal Mining
Published 2021-01-01“…In the process of coal mining, when the buried depth is large and the loose layer is thick, the ground subsidence tends to be abnormal, thus causing great damage to the surface ecological environment. …”
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450
Bearing Capacity of Large-diameter Metro Shield Tunnel in Soft Soil Layer
Published 2025-07-01“…There are special geological conditions and tunnel structure for large-diameter metro shield tunnel in soft soil layer, thus it is necessary to conduct in-depth research on its bearing capacity. …”
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451
Thermal Recovery Dynamics of the Ocean’s Cool-Skin Layer After Complete Mixing
Published 2025-07-01“…Due to the heat loss across the air-sea interface, the uppermost millimeter of the ocean is generally cooler than the underlying water. This cool-skin layer can be naturally disrupted by processes such as wave breaking or wind stress, as well as by anthropogenic factors like ships or offshore wind turbines. …”
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452
SUBSURFACE VELOCITY MODEL FROM INVERSION OF H/V SPECTRAL RATIO OF AMBIENT NOISE RECORDS
Published 2017-03-01“…By setting fixed layer boundaries in the inversion process, the velocities in the medium may vary to obtain the most suitable fitting to the observed H/V spectral ratio. …”
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453
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454
ENERGY ABSORPTION STUDY OF FLEXIBLE ELASTIC DOT MATRIX SUPPORT BASED ON DLP PROCESS
Published 2024-02-01“…In order to meet the structural design and prototyping requirements of micro multi-functional brackets, a study on the design and preparation of flexible elastie dot matrix brackets based on digital light processing (DLP) rapid forming process was carried out. …”
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455
Lightweight Pre-Trained Korean Language Model Based on Knowledge Distillation and Low-Rank Factorization
Published 2025-04-01“…The smaller student models further employ low-rank factorization to minimize the parameter count within the Transformer’s feed-forward network (FFN) and embedding layer. …”
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456
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457
The Role of Landscape Metrics and Spatial Processes in Performance Evaluation of GEOMOD (Case Study: Neka River Basin)
Published 2017-09-01“…The relative error was calculated to quantify the difference between landscape metrics derived from the observed and the simulated layers (Sakieh and Salmanmahiny, 2016). Analysis of spatial processes was also calculated to evaluate the model performance using decision tree algorithm in Land Change Modeler (Bogaert et al., 2004). 3-Results and Discussion Forest showed a decrease of 3000 ha (4.1 % of forest area, and 1.6 % study area) from 1984 to 2001. …”
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458
Optimizing infrared drying of black soldier fly larvae for sustainable cricket feed production
Published 2025-01-01Get full text
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459
Numerical Simulation of Stress Wave Propagation in the Three-Layer Medium Structure of Standing Trees
Published 2025-08-01“…Based on the theory of stress wave propagation in solid media, this paper conceptualizes standing trees as a three-layer composite material comprising the pith, heartwood, and sapwood. …”
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460
A Resilience Quantitative Assessment Framework for Cyber–Physical Systems: Mathematical Modeling and Simulation
Published 2025-07-01“…This study proposes an integrated CPS resilience assessment framework that combines cyber-layer anomaly modeling based on Markov chains with mathematical modeling of performance degradation and recovery in the physical domain. …”
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