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1301
Vertical Deformation Extraction Using Joint Track SBAS-InSAR Along Coastal California, USA
Published 2025-04-01Get full text
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Alteration, mineralization, geochemistry and fluid inclusion investigations in Joftrud prospect area, southwest of Birjand
Published 2024-12-01“…Also, 9 samples were selected for Au analysis with Fire assay in the same laboratory. Microthermometric tests and salinity determination of fluid inclusions were performed on 3 wafers of quartz minerals using a heating-freezing system, model THM 600 at Ferdowsi University of Mashhad, Iran. …”
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基于改进EMD的齿轮箱故障特征提取方法研究
Published 2014-01-01“…According to Empirical mode decomposition(EMD)generally appearing to end effects in signal processing,combining features of non-stationary vibration signal from gearbox early faults,an improved EMD method is proposed.The method is based on the combination of piecewise Hermit interpolation of order three with extreme truncation and correlation coefficient screening method.Firstly,the piecewise Hermit interpolation of order three is used to calculate envelopes.Secondly,the signal and envelopes are truncated at the extreme the shortest distance to endpoints,and the middle of them is left for further processing.Lastly,after decomposition all of intrinsic mode functions(IMFs)are used to calculate correlation coefficients with the original signal,so as to find out main IMFs to be made further analysis.The results show that the improved EMD method can extract faults feature in gearbox effectively.…”
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Abnormal Operation Detection of Automated Orchard Irrigation System Actuators by Power Consumption Level
Published 2025-01-01“…A demonstration orchard with four apple trees was set up in a 3 m × 3 m soil test bench inside a greenhouse, divided into two sections to enable independent irrigation schedules and management. …”
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Accurate earthquake and mining tremor identification via a CEEMDAN-LSTM framework
Published 2025-06-01Get full text
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Characterization and application of flow heterogeneity in high water cut reservoirs
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Ring-shape and linear gold mining districts of zimbabwe: estimation of residual gold resources
Published 2024-01-01“…Identification of ring-shaped and linear ore districts confined to greenstone belts corresponding in configuration within the gold province of the Zimbabwe craton.Materials and methods. The main method for analyzing gold ore deposits was ore formation analysis. …”
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Gear Wear Mechanisms, Monitoring Techniques and Their Potential Use in Gear Predictive Maintenance
Published 2025-06-01Get full text
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Evolution characteristics of stress field during crosscut tunneling in soft coal seams and prevention and control technologies for gas dynamic disasters
Published 2025-08-01“…The numerical simulation method was applied to conduct a three-dimensional evolution analysis of the stress distribution and failure range of the surrounding rock during the coal mining process of uncovering coal in crosscut. …”
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Data-driven measurement performance evaluation of voltage transformers in electric railway traction power supply systems
Published 2025-02-01“…This paper outlines a three-step, RMS data only method for evaluating VTs in TPSSs. …”
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Power Assessment and Performance Comparison of Wind Turbines Driven by Multivariate Environmental Factors
Published 2025-07-01“…When applied to three 5.5 MW offshore wind turbines, the proposed method reveals significant differences among the units. …”
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NAVIGATION AND LANDING AVIONICS INTEGRATED SYSTEM PROGRESS TREND
Published 2016-12-01Get full text
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Detecting Software Anomalies in Robots by Means of One-class Classifiers
Published 2025-12-01Get full text
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