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View article: Positioning of Devices in LTE networks. Part 3. Analysis of Correlation Functions for Reference Signals
Positioning of Devices in LTE networks. Part 3. Analysis of Correlation Functions for Reference Signals Open
Purpose: In modern LTE networks, especially in urban and indoor conditions, the accuracy of device positioning often decreases due to the limitations of existing methods, such as A-GNSS and Cell-ID. This is due to the lack of direct visibi…
View article: Positioning of Devices in LTE Networks. Part 1. Evaluating Signal Bandwidth's Impact on Coordinate Accuracy
Positioning of Devices in LTE Networks. Part 1. Evaluating Signal Bandwidth's Impact on Coordinate Accuracy Open
Purpose. The positioning accuracy of device plays an important role in providing navigation and geolocation services, such as emergency calls, traffic management, and in new fields of IoT applications. Despite the high accuracy of global n…
View article: Positioning of Devices in LTE Networks. Part 2. Analysis of Base Station Topology Impact on Coordinate Estimation Accuracy
Positioning of Devices in LTE Networks. Part 2. Analysis of Base Station Topology Impact on Coordinate Estimation Accuracy Open
Purpose. In recent decades, the development of positioning services in 4G LTE and 5G NR networks has been actively progressing, necessitating improvements in coordinate estimation accuracy. Earlier, the analysis conducted in the first part…
View article: Social Media Data Mining With Natural Language Processing on Public Dream Contents
Social Media Data Mining With Natural Language Processing on Public Dream Contents Open
The COVID-19 pandemic has significantly transformed global lifestyles, enforcing physical isolation and accelerating digital adoption for work, education, and social interaction. This study examines the pandemic's impact on mental health b…
View article: The Origins of NASA’s Visualization, Exploration and Data Analytics (VEDA) Platform: A platform for biomass research, NASA’s Earth Information System and the COVID-19 Dashboard
The Origins of NASA’s Visualization, Exploration and Data Analytics (VEDA) Platform: A platform for biomass research, NASA’s Earth Information System and the COVID-19 Dashboard Open
NASA's Visualization, Exploration, and Data Analysis (VEDA) project is an open-source science cyberinfrastructure for data processing, visualization, exploration, and geographic information systems (GIS) capabilities (https://www.earthdata…
View article: Final Report of the Open Source Science for Earth System Observatory Mission Data Processing Architecture Study
Final Report of the Open Source Science for Earth System Observatory Mission Data Processing Architecture Study Open
The Open Source Science for Earth System Observatory (ESO) Mission Data Processing Architecture Study was sponsored by Kevin Murphy, Chief Science Data Officer of NASA’s Science Mission Directorate (SMD) and Program Manager for the Earth S…
View article: Scaling Big Earth Science Data Systems Via Cloud Computing
Scaling Big Earth Science Data Systems Via Cloud Computing Open
Observations of the Earth from remote sensing satellites are downloaded to various data systems on the Earth for processing, storage, and analysis. But with increasing complexity of the instruments, computer systems, science requirements, …
View article: Neural Network Pattern Recognition Experiments Toward a Fully Automatic Detection of Anomalies in InSAR Time Series of Surface Deformation
Neural Network Pattern Recognition Experiments Toward a Fully Automatic Detection of Anomalies in InSAR Time Series of Surface Deformation Open
We present a neural network-based method to detect anomalies in time-dependent surface deformation fields given a set of geodetic images of displacements collected from multiple viewing geometries. The presented methodology is based on a s…
View article: Imaging Spectroscopy Processing Environment on the Cloud (ImgSPEC): A Prototype of an Open Science, Scalable Processing Environment
Imaging Spectroscopy Processing Environment on the Cloud (ImgSPEC): A Prototype of an Open Science, Scalable Processing Environment Open
Earth and Space Science Open Archive PosterOpen AccessYou are viewing the latest version by default [v1]Imaging Spectroscopy Processing Environment on the Cloud (ImgSPEC): A Prototype of an Open Science, Scalable Processing EnvironmentAuth…
View article: Sinking land intensifies sea-level rise: a global InSAR analysis of coastal cities
Sinking land intensifies sea-level rise: a global InSAR analysis of coastal cities Open
Coastal land is being lost worldwide at an alarming rate due to relative sea-level rise (RSLR) resulting from vertical land motion (VLM). This problem is understudied at a global scale, due to high spatial variability and difficulties reco…
View article: Imaging Spectroscopy Processing Environment on the Cloud (ImgSPEC)
Imaging Spectroscopy Processing Environment on the Cloud (ImgSPEC) Open
Earth and Space Science Open Archive PosterOpen AccessYou are viewing the latest version by default [v1]Imaging Spectroscopy Processing Environment on the Cloud (ImgSPEC)AuthorsE. NatashaStavrosiDPhilipTownsendGeorgeChangHookHuaThomasHuang…
View article: ARIA Displacement Maps 23 June 2020 Oaxaca Earthquake
ARIA Displacement Maps 23 June 2020 Oaxaca Earthquake Open
Interferometric synthetic aperture radar measurements of surface displacements with Copernicus Sentinel-1 data processed by the Caltech-JPL Advanced Rapid Imaging and Analysis (ARIA) team. The maps were derived from synthetic aperture rada…
View article: The Joint ESA-NASA Multi-Mission Algorithm and Analysis Platform: Next-Generation Collaboration Tool for Scientific Algorithms and Datasets
The Joint ESA-NASA Multi-Mission Algorithm and Analysis Platform: Next-Generation Collaboration Tool for Scientific Algorithms and Datasets Open
The ESA-NASA Multi-mission Algorithm and Analysis Platform (MAAP) is a platform designed to meet the need of the international scientific community to collaborate on the generation and analysis of increasingly massive datasets from space-b…
View article: Footprint-scale cloud type mixtures and their impacts on Atmospheric Infrared Sounder cloud property retrievals
Footprint-scale cloud type mixtures and their impacts on Atmospheric Infrared Sounder cloud property retrievals Open
A method is described to classify cloud mixtures of cloud top types, termed cloud scenes, using cloud type classification derived from the CloudSat radar (2B-CLDCLASS). The scale dependence of the cloud scenes is quantified. For spatial sc…
View article: Footprint-scale cloud type mixtures and their impacts on Atmospheric Infrared Sounder cloud property retrievals
Footprint-scale cloud type mixtures and their impacts on Atmospheric Infrared Sounder cloud property retrievals Open
A method is described to classify cloud mixtures of cloud top types, termed cloud scenes, using cloud type classification derived from the CloudSat radar (2B-CLDCLASS). The scale dependence of those cloud scenes is studied. For spatial sca…
View article: Horizontal and Vertical Scaling of Cloud Geometry Inferred from CloudSat Data
Horizontal and Vertical Scaling of Cloud Geometry Inferred from CloudSat Data Open
A method is described to characterize the scale dependence of cloud chord length using cloud-type classification reported with the 94-GHz CloudSat radar. The cloud length along the CloudSat track is quantified using horizontal and vertical…