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In situ soil moisture data is used as the main reference for the validation of satellite soil moisture products.  Although in situ measurements are often referred to as the “ground truth” and we have an understanding of the error sources, the magnitudes of the uncertainties associated with in situ measurements and methods ...
Irene Himmelbauer +11 more
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Irene Himmelbauer +11 more
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The purpose of the Quality Assurance for Soil Moisture (QA4SM) service is to provide a central, cloud-based platform for soil moisture data validation. QA4SM is an easy-to-use graphical web interface that caters to both producers of satellite soil moisture data as well as users of such products.
Nicolas Bader +9 more
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Nicolas Bader +9 more
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Fiducial Reference Systems for Time and Coordinates in Satellite Altimetry
Advances in Space Research, 2021Stelios P Mertikas +2 more
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Tumors of the Lymphoma Group in Children With Special Reference to the Treatment of Acute Leukemia
Ca-A Cancer Journal for Clinicians, 1953Sidney Farber, S Farber
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The Detection Techniques for Several Different Types of Fiducial Markers
Smart Science, 2013Chuen-Horng Lin
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Automatic Detection and Location for the Fiducial Marks and Reference Fiducial Marks
International Journal of Robotics and Mechatronics, 2014Chuen-Horng Lin
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