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1161
Real-Time On-Orbit Estimation Method for Microthruster Thrust Based on High-Precision Orbit Determination
Published 2021-01-01“…By establishing a high-precision orbit dynamic model, the microthrust generated by a microthruster is modeled as a first-order Markov model, combined with a high-precision GNSS measuring device, and the satellite position is obtained through the cubature Kalman filter algorithm, velocity, and thrust real-time on-orbit estimates. …”
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1162
Atmospheric Sounding from Fengyun-3C GPS Radio Occultation Observations: First Results and Validation
Published 2019-01-01“…Carrying global positioning system (GPS) radio occultation (RO) receiver, Chinese meteorological satellite Fengyun-3C (FY-3C) was launched on September 23, 2013, which provides new observation data for observations and studies of weather and climate change. …”
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1163
Assessment of Observed and Projected Extreme Droughts in Perú—Case Study: Candarave, Tacna
Published 2024-12-01“…Additionally, it was concluded that the VCI also detected the droughts identified by the SPEI; however, a more detailed analysis of its use is necessary due to the limited availability of suitable satellite images in the area. On the other hand, a high-resolution dataset of climate models from the sixth phase of the Coupled Model Intercomparison Project (CMIP6) under the SSP3-7.0 scenario was used to project future droughts. …”
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1164
Spatial-domain combination of GRACE monthly time-variable gravity models based on multiple weighting strategies and comparison of models’ performance in the Caspian Sea
Published 2025-02-01“…In external validation, we compare the Caspian Sea level changes derived from the combined models with those obtained from satellite altimeter. Our results reveal an improvement of the SHC combination using variance component estimation (VCE) weighting compared to any single SHC solution. …”
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1165
Greening of Svalbard in the twentieth century driven by sea ice loss and glaciers retreat
Published 2025-01-01“…Abstract The greening of previously barren landscapes in the Arctic is one of the most relevant responses of terrestrial ecosystem to climate change. Analyses of satellite data (available since ~1980) have revealed a widespread tundra advance consistent with recent global warming, but the length is insufficient to resolve the long-term variability and the precise timing of the greening onset. …”
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1166
Restoration of <i>Posidonia oceanica</i> Meadow Using Cuttings from an Area Impacted by Harbor Extension Project
Published 2024-12-01“…The receiving site was selected through a multidisciplinary study including acoustic mapping, ROV surveys, sediment assessment, and analyses of satellite images across ten years to evaluate the site suitability. …”
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1167
INterpolated FLOod Surface (INFLOS), a Rapid and Operational Tool to Estimate Flood Depths from Earth Observation Data for Emergency Management
Published 2025-01-01“…INFLOS calculates flood depth by interpolating water surface elevation from sample points along flooded area boundaries, derived from satellite imagery. This tool is capable of delivering flood depth estimates in a rapid mapping context, leveraging a multistep interpolation and filtering process for improved accuracy. …”
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1168
A variant W chromosome in Centromochlus heckelii (Siluriformes, Auchenipteridae) and the role of repeated DNA in its heteromorphism
Published 2025-01-01“…Some of these ITSs might represent genuine chromosomal fusion points due to the reduced 2n; however, additional mechanisms, such as chromosomal inversions, translocations, transpositions, or association with satellite DNA, are likely responsible for this unusual pattern. …”
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1169
OBTPN: A Vision-Based Network for UAV Geo-Localization in Multi-Altitude Environments
Published 2025-01-01“…UAVs typically rely on satellite navigation for positioning, yet this method proves ineffective in instances where the signal is inadequate or communication is disrupted. …”
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1170
Maritime-Continental Contrasts in the Properties of Low-Level Clouds: A Case Study of the Summer of the 2003 Yamase, Japan, Cloud Event
Published 2014-01-01“…Satellite data were used to investigate maritime-continental differences in the characteristics of the low-level cloud (the Yamase cloud) that covered northeast Japan during the summer of 2003. …”
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1171
Quantifying forest disturbance regimes within caribou (Rangifer tarandus) range in British Columbia
Published 2024-03-01“…In this work we use recent advances in satellite-based disturbance detection to quantify polygonal forest disturbance regimes affecting caribou ecotypes and herds in British Columbia (BC) from 1985 to 2019. …”
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1172
Highly selective-notch band ultrawide band antenna: A review
Published 2025-01-01“…., Wi-Fi, lower 5G, and satellite downlink band) in the UWB range. In this review article, we have made a comprehensive literature review of quasi-perfect-notch band UWB antennas that have been reported with different techniques used. …”
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1173
Habitat Categorization and Vegetation Mapping of Kumana National Park, Sri Lanka
Published 2025-01-01“…Vegetation maps for KNP were generated by applying multiple classification algorithms to Sentinel 2 multispectral satellite imagery. The maximum likelihood classification (MLC) model generated the most accurate and detailed vegetation map for KNP, which was verified with ground truth data (overall accuracy of 93%; Kappa, 87%). …”
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1174
Gis tools and numeric model to forecast the floods extend along the Rhouireg river, city of Taza, Morocco
Published 2025-01-01“…In this study, we used a 1D hydrodynamic model to predict the extent of future floods and eventually present the floodable areas on a satellite image covering a densely populated section of the Rhouireg river, located in the eastern part of Taza city. …”
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1175
DSFA-SwinNet: A Multi-Scale Attention Fusion Network for Photovoltaic Areas Detection
Published 2025-01-01“…Currently, numerous studies focus on the detection of single-type PV installations through aerial or satellite imagery. However, due to the variability in scale and shape of PV installations in complex environments, the detection results often fail to capture detailed information and struggle to scale for multi-scale PV systems. …”
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1176
Validation of the α-μ Model of the Power Spectral Density of GPS Ionospheric Amplitude Scintillation
Published 2014-01-01“…Depending on temporal and spatial distributions, ionospheric scintillation may cause availability and precision problems to users of global navigation satellite systems. The present work initially stresses the importance of the flexibility provided by α-μ model in comparison with the limitations of a single-parameter distribution for the representation of first-order statistics of amplitude scintillation. …”
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1177
Monitoring Sea Surface Temperature and Sea Surface Salinity Around the Maltese Islands Using Sentinel-2 Imagery and the Random Forest Algorithm
Published 2025-01-01“…This was achieved by leveraging Sentinel-2 satellite platforms, the random forest Machine Learning algorithm, and in situ data collected from sea gliders and floats. …”
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1178
Sandwich‐Structured Fluorinated Polyimide Aerogel/Paraffin Phase‐Change Composites Simultaneously Enables Gradient Thermal Protection and Electromagnetic Wave Transmission
Published 2025-02-01“…With such prominent thermal insulation and wave‐transparent functions, the sandwich‐structured composite exhibits great potential for specific applications in aircraft, spacecraft, radar systems, and satellite communication.…”
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1179
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1180
Climate Change Adaptation: An Ecosystem-Based Approach for Livelihood Improvement of Fringe Communities around Worobong South Forest Reserve in Ghana
Published 2022-01-01“…We administered 250 questionnaires as well as studied time series data for temperature and rainfall with satellite images using the mixed method approach. The types of questionnaires used were open-ended and closed-ended semistructured questionnaires. …”
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