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Federal
Global Distribution of Root Turnover in Terrestrial Ecosystems
National Aeronautics and Space Administration —
Estimates of root turnover rates were calculated from measurements of live root standing crop and belowground net primary production (BNPP) compiled from the primary... -
Federal
Experimental Data Collection and Modeling for Nominal and Fault Conditions on Electro-Mechanical Actuators
National Aeronautics and Space Administration —
Being relatively new to the field, electromechanical actuators in aerospace applications lack the knowledge base compared to ones accumulated for the other actuator... -
Federal
Physics of Failure Models for Capacitor Degradation in DC-DC Converters
National Aeronautics and Space Administration —
This paper proposes a combined energy-based model with an empirical physics of failure model for degradation analysis and prognosis of electrolytic capacitors in DC-... -
Federal
Pseudo-Label Generation for Multi-Label Text Classification
National Aeronautics and Space Administration —
With the advent and expansion of social networking, the amount of generated text data has seen a sharp increase. In order to handle such a huge volume of text data,... -
Federal
Block-GP: Scalable Gaussian Process Regression for Multimodal Data
National Aeronautics and Space Administration —
Regression problems on massive data sets are ubiquitous in many application domains including the Internet, earth and space sciences, and finances. In many cases,... -
Federal
Knowledge-Based System to Support Plug Load Management
National Aeronautics and Space Administration —
Electrical plug loads comprise an increasingly larger share of building energy consumption as improvements have been made to Heating, Ventilation, and Air... -
Federal
Knowledge Management for Large Scale Condition Based Maintenance
National Aeronautics and Space Administration —
This presentation will review the use of knowledge management in the development and support of Condition Based Maintenance (CBM) systems for complex systems with... -
Federal
HLS Landsat Operational Land Imager Surface Reflectance and TOA Brightness Daily Global 30m v2.0
National Aeronautics and Space Administration —
The Harmonized Landsat Sentinel-2 (HLS) project provides consistent surface reflectance (SR) and top of atmosphere (TOA) brightness data from a virtual constellation... -
Federal
Application of Inductive Monitoring System to Plug Load Anomaly Detection
National Aeronautics and Space Administration —
NASA Ames Research Center’s Sustainability Base is a new 50,000 sq. ft. LEED Platinum office building. Plug loads are expected to account for a significant portion of... -
Federal
CYGNSS Level 1 Full Delay Doppler Map Data Record
National Aeronautics and Space Administration —
This Level 1 (L1) dataset contains the Full Delay Doppler Map (DDM) sensor data from the Delay Doppler Mapping Instrument aboard the CYGNSS satellite constellation.... -
Federal
Deterministic Compilation of Temporal Safety Properties in Explicit State Model Checking
National Aeronautics and Space Administration —
The translation of temporal logic specifications constitutes an essen- tial step in model checking and a major influence on the efficiency of formal verification via... -
Federal
NACP MsTMIP Summary of Model Structure and Characteristics
National Aeronautics and Space Administration —
This data set provides a summary of the model structure and characteristics of participating models in the North American Carbon Program (NACP) Multi-scale synthesis... -
Federal
Characterizing Variability and Multi-Resolution Predictions
National Aeronautics and Space Administration —
In previous papers, we introduced the idea of a Virtual Sensor, which is a mathematical model trained to learn the potentially nonlinear relationships between spectra... -
Federal
The High resolution Coronal Imager Project
National Aeronautics and Space Administration —
The telescope design is a direct continuation of the development from NIXT to TRACE and AIA: we propose a Ritchey-Chr´etien with plate scale sufficient to... -
Federal
Prognostic Techniques for Capacitor Degradation and Health Monitoring
National Aeronautics and Space Administration —
This paper discusses our initial efforts in constructing physics of failure models for electrolytic capacitors subjected to electrical stressors in DC-DC power... -
Federal
Coiled Brine Recovery Assembly (CoBRA) Project
National Aeronautics and Space Administration —
The Coiled Brine Recovery Assembly (CoBRA) project will result in a proof-of-concept demonstration for a lightweight, compact, affordable, regenerable and disposable... -
Federal
DSCOVR EPIC L2 Ozone (O3), Sulfur Dioxide (SO2) Aerosol Index (AI) with Epic L1B V03 Input, Version 2
National Aeronautics and Space Administration —
Robust cloud products are critical for the Deep Space Climate Observatory (DSCOVR) to contribute significantly to climate studies. Building on our team’s track record... -
Federal
A Reasoning Architecture for Expert Troubleshooting of Complex Processes
National Aeronautics and Space Administration —
This paper introduces a novel reasoning methodology, in combination with appropriate models and measurements (data) to perform accurately and expeditiously expert... -
Federal
A Local Scalable Distributed EM Algorithm for Large P2P Networks
National Aeronautics and Space Administration —
his paper describes a local and distributed expectation maximization algorithm for learning parameters of Gaussian mixture models (GMM) in large peer-to-peer (P2P)...