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Patrick Dills, Amy Stevermer, Tony Mancus, Bryan Guarente, Tim Alberta and Elizabeth Page
Since 1989, the COMET® Program?s staff of instructional designers, scientists, graphic artists, and web developers has been creating targeted, effective, and scientifically sound instructional materials for the geosciences in multiple languages and forma...
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Santi Concetto Pavone, Giorgio Sebastiano Mauro, Loreto Di Donato and Gino Sorbello
In this paper, we present the design and fabrication of two dual circularly polarized (CP) patch antennas that can be profitably used as feeders for reflector systems normally adopted for satellite applications. In the first part of the manuscript, we pr...
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Sandra Romero-Diez, Lydia Hantsche, Jason M. Pearl, Darren L. Hitt, M. Ryan McDevitt and Patrick C. Lee
In recent years, the maturation of small satellite technology has led to their adoption for a variety of space missions. The next generation of small satellite missions, however, will likely have the satellites operating in formations or ?constellations?...
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Kevin R. Gagne, M. Ryan McDevitt and Darren L. Hitt
This study focused on the development of a chemical micropropulsion system suitable for primary propulsion and/or attitude control for a nanosatellite. Due to the limitations and expense of current micropropulsion technologies, few nanosatellites with pr...
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Sandra Romero-Diez, Lydia Hantsche, Jason M. Pearl, Darren L. Hitt, M. Ryan McDevitt and Patrick C. Lee
In recent years, the maturation of small satellite technology has led to their adoption for a variety of space missions. The next generation of small satellite missions, however, will likely have the satellites operating in formations or ?constellations?...
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Kevin R. Gagne, M. Ryan McDevitt and Darren L. Hitt
This study focused on the development of a chemical micropropulsion system suitable for primary propulsion and/or attitude control for a nanosatellite. Due to the limitations and expense of current micropropulsion technologies, few nanosatellites with pr...
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Ruifang Guo, Yuanbo Liu
Pág. 1 - 20
Rain gauge and satellite-retrieved data have been widely used in basin-scale hydrological applications. While rain gauges provide accurate measurements that are generally unevenly distributed in space, satellites offer spatially regular observations and ...
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Ruifang Guo and Yuanbo Liu
Rain gauge and satellite-retrieved data have been widely used in basin-scale hydrological applications. While rain gauges provide accurate measurements that are generally unevenly distributed in space, satellites offer spatially regular observations and ...
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Mohammad Mohiuddin Uzzal
Pág. 37 - 42
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Timothy Sands
Objects that possess mass (e.g., automobiles, manufactured items, etc.) translationally accelerate in direct proportion to the force applied scaled by the object?s mass in accordance with Newton?s Law, while the rotational companion is Euler?s moment equ...
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Florian Völk, Konstantinos Liolis, Marius Corici, Joe Cahill, Robert T. Schwarz, Thomas Schlichter, Eric Troudt and Andreas Knopp
The 5G vision embraces a broad range of applications including the connectivity in underserved and remote areas. In particular, for these applications, satellites are going to play a role in future 5G networks to provide capacity on trains, vessels, airc...
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Yan Li, Wen Yan, Sai An, Wanlin Gao, Jingdun Jia, Sha Tao and Wei Wang
Accurate and continuous monitoring of crop growth is vital for the development of precision agriculture. Unmanned aerial vehicle (UAV) and satellite platforms have considerable complementarity in high spatial resolution (centimeter-scale) and fixed revis...
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Kindie Engdaw Tadesse, Assefa M. Melesse, Adane Abebe, Haileyesus Belay Lakew and Paolo Paron
This study presents three global precipitation products and their downscaled versions (CHIRPSv2, TAMSATv3, PERSIANN_CDR, CHIRPS_D, PERSIANNN_CDR_D, and TAMSAT_D) estimated with observed values from 1983 to 2014. Performance evaluation of global precipita...
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Serdar Kizilkaya, Ugur Alganci and Elif Sertel
The classification of maritime boats and ship targets using optical satellite imagery is a challenging subject. This research introduces a unique and rich ship dataset named Very High-Resolution Ships (VHRShips) from Google Earth images, which includes d...
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Luís Pádua, Nathalie Guimarães, Telmo Adão, António Sousa, Emanuel Peres and Joaquim J. Sousa
Unmanned aerial vehicles (UAVs) have become popular in recent years and are now used in a wide variety of applications. This is the logical result of certain technological developments that occurred over the last two decades, allowing UAVs to be equipped...
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Renoy Girindran, Doreen S Boyd, Julian Rosser, Dhanya Vijayan, Gavin Long and Darren Robinson
A 3D model communicates more effectively than a 2D model, hence the applications of 3D city models are rapidly gaining significance in urban studies. However, presently, there is a dearth of free of cost, high-resolution 3D city models available for use....
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Bo Yang, Timothy L. Hawthorne, Hannah Torres and Michael Feinman
High resolution mapping of coastal habitats is invaluable for resource inventory, change detection, and inventory of aquaculture applications. However, coastal areas, especially the interior of mangroves, are often difficult to access. An Unmanned Aerial...
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Qin Jiang, Weiyue Li, Jiahong Wen, Can Qiu, Weiwei Sun, Qilin Fang, Ming Xu and Jianguo Tan
Satellite-based rainfall products have extensive applications in global change studies, but they are known to contain deviations that require comprehensive verification at different scales. In this paper, we evaluated the accuracies of two high-resolutio...
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Jian Peng and Alexander Loew
Monitoring soil moisture dynamics from local to global scales is essential for a wide range of applications. The field of remote sensing of soil moisture has expanded greatly and the first dedicated soil moisture satellite missions (SMOS, SMAP) were laun...
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Ram L. Ray, Ali Fares, Yiping He, Marouane Temimi
Pág. 1 - 22
The main goal of this study was to evaluate four major remote sensing soil moisture (SM) products over the state of Texas. These remote sensing products are: (i) the Advanced Microwave Scanning Radiometer?Earth Observing System (AMSR-E) (2002?September 2...
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