Showing 561 - 580 results of 2,648 for search '"satellites"', query time: 0.07s Refine Results
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    Capabilities of Satellite-Based Precipitation to Estimate the Spatiotemporal Variation of Flood/Drought Class in Poyang Lake Basin by Xianghu Li, Qi Zhang, Xuchun Ye

    Published 2013-01-01
    “…Poyang Lake basin is one of the most frequently affected areas by a variety of flood or drought events in China. Satellite-based precipitation data have greatly improved their temporal and spatial resolution in recent years, but the short length of records limited their applications in some fields. …”
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    Antarctic ice-shelf meltwater outflows in satellite radar imagery: ground-truthing and basal channel observations by Jakob Stanley Hamann, Thomas Arney, James David Kirkham, Paul Wachter, Karsten Gohl

    Published 2024-01-01
    “…We present high-temporal resolution satellite radar as a tool for identifying meltwater release from beneath ice shelves, capable of all-weather, day-and-night imaging.…”
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    Self-Organizing Method on Mission-Level Task Allocation of Large-Scale Remote Sensing Satellite Swarm by Yang Jiang, Yuan Gao, Longjiang Yu, Jing Yu, Yuting Li, Hongtao Gao

    Published 2022-01-01
    “…And the satellite swarm task allocation and planning model of potential target searching, moving target tracking, and sensitive target feature confirmation is given. …”
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    Design of Satellite Attitude Control Algorithm Based on the SDRE Method Using Gas Jets and Reaction Wheels by Luiz C. G. de Souza, Victor M. R. Arena

    Published 2013-01-01
    “…The Space Mechanics and Control Division (DMC) of INPE is constructing a 3D simulator to supply the conditions for implementing and testing satellite control hardware and software. Satellite large angle maneuver makes the plant highly nonlinear and if the parameters of the system are not well determined, the plant can also present some level of uncertainty. …”
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    Hydrological Evaluation of Satellite Soil Moisture Data in Two Basins of Different Climate and Vegetation Density Conditions by Lu Zhuo, Dawei Han

    Published 2017-01-01
    “…As a result, in the cropland, the statistical performance is further improved for both satellites (i.e., improved to NSE = 0.74, RMSE = 0.0059 m and NSE = 0.58, RMSE = 0.0066 m for SMOS and AMER-E, resp.). …”
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    Characterizing Surface Deformation of the Earthquake-Induced Daguangbao Landslide by Combining Satellite- and Ground-Based InSAR by Xiaomeng Wang, Wenjun Zhang, Jialun Cai, Xiaowen Wang, Zhouhang Wu, Jing Fan, Yitong Yao, Binlin Deng

    Published 2024-12-01
    “…Ground-based SAR (GB-SAR) enhances satellite observations by detecting localized apparent deformation at the rear edge of the landslide, with LOS displacement velocities reaching up to 1.5 mm/h. …”
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    A Study on Dynamic Characteristics of Satellite Antenna System considering 3D Revolute Clearance Joint by Zhengfeng Bai, Jijun Zhao

    Published 2020-01-01
    “…However, in dynamics analysis and control of the satellite antenna system, it is usually assumed that the revolute joint in the satellite antenna system is perfect without clearances or imperfect with planar radial clearance. …”
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    Improved estimation of carbon dioxide and methane using machine learning with satellite observations over the Arabian Peninsula by Mariam Alcibahy, Fahim Abdul Gafoor, Farhan Mustafa, Mutasem El Fadel, Hamed Al Hashemi, Ali Al Hammadi, Maryam R. Al Shehhi

    Published 2025-01-01
    “…However, current methods face challenges, including the coarse resolution of numerical models, and gaps in satellite data, making it essential to improve the spatiotemporal estimation of GHGs. …”
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    Distribution and Structure of China–ASEAN’s Intertidal Ecosystems: Insights from High-Precision, Satellite-Based Mapping by Zhang Zheng, Renming Jia

    Published 2025-01-01
    “…Here, we present a high-precision mapping approach for intertidal ecosystems using multi-source satellite data, including Sentinel-1, Sentinel-2, and Landsat 8/9, integrated with the Google Earth Engine (GEE) platform, to enable the detailed mapping of intertidal zones across China–ASEAN. …”
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