Results 1 to 10 of about 3,867,002 (189)
Remote Sensing, 2022 Efficient implementation of remote sensing image classification can facilitate the extraction of spatiotemporal information for land use and land cover (LULC) classification.
Saeid Amini +3 more
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Analysis of Land Use and Land Cover Change Using Time-Series Data and Random Forest in North Korea
Remote Sensing, 2021 North Korea being one of the most degraded forests globally has recently been emphasizing in forest restoration. Monitoring the trend of forest restoration in North Korea has important reference significance for regional environmental management and ...
Yong Piao +3 more
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Cesaro Limits for Fractional Dynamics
Fractal and Fractional, 2021 We study the asymptotic behavior of random time changes of dynamical systems. As random time changes we propose three classes which exhibits different patterns of asymptotic decays.
Yuri Kondratiev, José da Silva
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Spatiotemporal Characteristics and Heterogeneity of Vegetation Phenology in the Yangtze River Delta
Remote Sensing, 2022 Vegetation phenology and its spatiotemporal driving factors are essential to reflect global climate change, the surface carbon cycle and regional ecology, and further quantitative studies on spatiotemporal heterogeneity and its two-way driving are needed.
Cancan Yang +6 more
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On Random Dynamical Systems Generated by White Noise Time Change of Deterministic Dynamical Systems
Journal of Probability and Statistics, 2022 In this paper, we apply the random time change by the real white noise to deterministic dynamical systems. We prove that the obtained random dynamical systems are solutions of some stochastic differential equations whenever the deterministic dynamical ...
Mohamed Hmissi, Farida Mokchaha
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Random time change and related evolution equations. Time asymptotic behavior [PDF]
Stochastics and Dynamics, 2019 In this paper, we investigate the time asymptotic behavior of solutions to fractional in time evolution equations which appear as results of random time changes in Markov processes. We consider inverse subordinators as random times and use the subordination principle for the solutions to forward Kolmogorov equations.
Kochubei, Anatoly N. +2 more
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A Two-Stage Estimator for Change Point in the Mean of Panel Data
Journal of Mathematics, 2021 In this paper, a two-stage consistency estimator for change point in the mean of panel data is given. Firstly, a single sequence is extracted, and the initial estimator and confidence interval of the change point are given by the least square method ...
Wenzhi Zhao, Yinqian Yang, Di Zhang
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The BV Photometry of the RR Lyrae Star, BH Ursae Majoris: Light Curves and Period Study [PDF]
Journal of Astronomy and Space Sciences, 2011 The first presented BV light curves of BH UMa confirmed Krajci’s (2005) result that BH UMa is an RR Lyr star that belongs to the RRc subgroup. The light curves showed a slight asymmetry of D = 0.453 with an amplitude of about 0.m58 in B, 0.m47 in V ...
Chun-Hwey Kim, Jang Hae Jeong
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Ecological Indicators, 2023 Wetlands are transitional zones between terrestrial and aquatic ecosystems. They have the potential to continuously provide human beings with food, raw materials, and other substances.
Fei Zhao +4 more
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Palm theory for random time changes [PDF]
International Journal of Stochastic Analysis, 2000 Palm distributions are basic tools when studying stationarity in the context of point processes, queueing systems, fluid queues or random measures. The framework varies with the random phenomenon of interest, but usually a one‐dimensional group of measure‐preserving shifts is the starting point. In the present paper, by alternatively using a framework
Miyazawa, M. +2 more
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