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Briefs: Medical
Portable Resting State Detection System Using Functional Near-Infrared Spectroscopy
The ability to distinguish between high and low levels of task engagement is important for detecting and preventing performance decrements during safety-critical operational tasks in the real world. Examples of such tasks include commercial aviation, monitoring for...
Briefs: Software
BALFIT Version 3.1 Multivariate Regression Analysis and Regression Model Optimization Software
The software package BALFIT was developed for both the processing of wind tunnel strain-gage balance data and the analysis of more general multivariate experimental data sets. The software uses automatically generated regression models for the analysis....
Briefs: Information Technology
Mariana Text Classification System
Support Vector Machines (SVM) can be used as a binary classifier for a wide range of data and problems. For text, it is often used to determine automatically if a document belongs to a given topic category. Automatic and reliable classification of documents can be an invaluable tool for industries that monitor...
Briefs: Software
Marshall MRMS Mosaic Python Toolkit (MMM-Py)
This Python script will allow the user to read, analyze, and display National Oceanic and Atmospheric Administration (NOAA) Multi-Radar/Multi-Sensor(MRMS) mosaic tile files containing mosaic radar reflectivities on a national 3D grid. Simple diagnostics and plotting, as well as computation of composite...
Briefs: Information Technology
Data Encoding and Parallelization Porting Techniques to Transform Binary Data Formats to Hadoop/MapReduce
The objective of this invention is to transform applications that process big data in arbitrary formats using the MapReduce parallel programming model and executed on the open-source Hadoop platform. Many legacy data-intensive applications do...
Briefs: Photonics/Optics
Characterizing Richness of Previously Unmapped Terrain and Estimating its Impact on Navigation Performance using 3D Range Sensors in Flight
Landers to large planetary bodies such as Mars typically use a secondary reconnaissance spacecraft to generate high-fidelity 3D terrain maps that are subsequently used for landing site selection and creating...
Briefs: Sensors/Data Acquisition
SEA5: Space Environment Automated Alerts & Anomaly Analysis Assistant
The Community Coordinated Modeling Center (CCMC) provides a wide range of space weather tools and services for the general scientific community. One such product that facilitates space weather situational awareness is collectively known as the Integrated Space Weather Analysis...
Briefs: Sensors/Data Acquisition
Extensible Data Gateway Environment (EDGE)
The NASA Physical Oceanography Distributed Active Archive Center (PO.DAAC) is NASA’s designated data center for information relevant to the physical state of the ocean. Its core datamanagement and workflow system, Data Management and Archive System (DMAS), is responsible for processing hundreds of...
Briefs: Sensors/Data Acquisition
Flight Test Maneuvers for Efficient Aerodynamic Modeling
Flight testing is expensive. It is therefore important that necessary flight data be collected in the most efficient manner possible. Inputs traditionally used for flight test maneuvers to collect aircraft stability and control data include doublets, impulses (stick raps), multisteps, and...
Briefs: Sensors/Data Acquisition
JPL CO2 Virtual Science Data Environment (VSDE)
The JPL CO2 Virtual Science Data Environment (VSDE) (http://co2.jpl.nasa.gov) is a comprehensive effort to bring together the models, data, and tools necessary for atmospheric CO2 research. The VSDE site is designed to provide streamlined Web-based discovery and access to multiple global and regional...
Briefs: Sensors/Data Acquisition
Python Advanced Microwave Precipitation Radiometer Data Toolkit (PyAMPR)
Advanced Microwave Precipitation Radiometer (AMPR) brightness temperature data from NASA field projects are in ASCII format. This Python script defines a class that will read in a single file from an individual aircraft flight and pull out timing, brightness temperatures from...
Briefs: Sensors/Data Acquisition
Data Ordering Genetic Optimization (DOGO) System
Observations in modern datasets have a continuum of quality that can be hard to quantify. For example, satellite observations are subject to often-subtle mixtures of confounding forces that distort the observation’s utility to a varying extent. For the Orbiting Carbon Observatory-2 (OCO-2)...
Briefs: Sensors/Data Acquisition
Advanced Rapid Imaging and Analysis for Earthquakes
Advanced Rapid Imaging and Analysis for Earthquakes (ARIA-EQ) will be the first coordinated effort to automate geodetic imaging capabilities so they can be used for hazard response. The innovation is an automatic geodetic imaging data system that is the foundation for an operational hazard...
Briefs: Sensors/Data Acquisition
Saliva is an easily accessible body fluid containing important biological markers of physiological regulation in the body. The ability to use saliva to monitor the health and...
Briefs: Sensors/Data Acquisition
Cryogenic Propellant Feed System Analytical Tool
The Propellant Feed System Analytical Tool (PFSAT) predicts heat leak based on insulation type, installation technique, line supports, penetrations, and instrumentation. It also determines the optimum orifice diameter for an optional thermodynamic vent system (TVS) to counteract heat leak into the...
Briefs: Electronics & Computers
Radiation-Hardened, High-Voltage, Quad-Channel Amplifier
Aradiation-hard, 130-Volt, 100-KHz capable, quad-channel operational amplifier with corresponding power supply and 6th-order Bessel filter circuitry has been designed, fabricated, and successfully tested. To control two-axis microelectromechanical systems (MEMS)-based mirrors, a differential...
Briefs: Electronics & Computers
Microwave spectroscopy is an invaluable tool for studying the structure, dynamics, and even the handedness of gas phase species. In...
Briefs: Electronics & Computers
Signal Digitizer and Cross-Correlation ASIC
Microwave interferometry provides a means of synthesizing large scanning antennas that are not otherwise physically practical for spaceborne Earth observational systems. By cross-correlating multiple receivers of an array, high-resolution images are synthesized from a sparse — or thinned — array of...
Briefs: Electronics & Computers
Image Capture to Stereo Correlation in an FPGA
In this work, there were four independent vision modules implemented in an FPGA: a CameraLink camera interface, rectification, bilateral filtering, and stereo disparity correlation. Each module was originally designed to run from end to end, not in a pipeline with the other modules. This limited...
Briefs: Electronics & Computers
Constellations of low-cost, small instruments provide global, distributed, and frequent coverage, enabling unique science observations. However, radars are active instruments...
Briefs: Materials
Flexible, High-Temperature Polyimide/Urea Aerogels
Cross-linked silica-based aerogels with polymeric materials, as well as incorporating a flexible linkage into the underlying metal oxide, have been proven to improve strength and resilience over their native, or non-cross-linked, counterparts without adversely affecting porosity and density. In...
Briefs: Materials
Cryogenic fluid management (CFM) is a critical technical area that is needed for the successful development of future space exploration. A key challenge is the storability of LH2, LCH4, and LOX propellants for long...
Briefs: Materials
Colorimetric Indicator for Detection of AF-M315E
An easy and instant method of detection was needed for AF-M315E, a “green” propellant that produces very little vapor. This makes it hard to detect by smell or other active sensors.
Briefs: Materials
Oriented Nanofibers Embedded in a Polymer Matrix
A method of forming a composite of embedded nanofibers in a polymer matrix with a high degree of alignment has been created using a nanofiber continuous fiber (NCF) system. This innovation incorporates nanofibers in a plastic matrix forming agglomerates, and then uniformly distributes them by...
Briefs: Materials
A starshade occulter is a large space structure whose shape is specially designed to produce a diffraction pattern in starlight that can aid a telescope in direct imaging of exoplanets. The diffraction pattern...
Briefs: Manufacturing & Prototyping
Method to Improve the Synthesis Process of High-Purity Bulk Multi-Element Compounds
Multi-element compounds have been used ubiquitously in various applications, including electronics, optics, opto-electronics, thermoelectrics, superconductivity, and the recently developed application of spintronics. Besides being the main components of some of...
Briefs: Manufacturing & Prototyping
Laser Subdivision of the Genesis Concentrator Target Sample 60000
A need arose for approximately 1 cm2 of a diamond-like-carbon (DLC) concentrator target for the analysis of solar wind nitrogen isotopes. The original target was a circular quadrant with a radius of 3.1 cm; however, the piece did not survive intact when the spacecraft suffered an...
Briefs: Manufacturing & Prototyping
Fabrication of an Integrated Photonic Waveguide Joint in Micromachined Silicon
High-aspect-ratio silicon structures are necessary components in many MEMS (microelectromechanical systems). Aspect ratio is defined as the ratio of the height of the structure to its lateral width. The structures are typically fabricated through bulk micromachining...
Briefs: Manufacturing & Prototyping
Future space exploration past Earth orbit has a significant need for manufacturing in space beyond simple assembly of prefabricated parts. The next generation of very large aperture antennas will exceed...
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