Briefs: Software
Semantic Language and Tools for Reporting Human Factors Incidents

This human factors incident reporting tool for authoring and using human factors incident data combines semantic Web technologies with automated assistive technologies to aid users in finding relationships among incidents. The semantic indexing provided by the use of incident...

Briefs: Software
Control Software for Integrated CW Radar Module

This software controls the behavior of a miniaturized microwave radar module. It controls the hardware, digitizes raw samples from the analog output of the module, and applies DSP (digital signal processing) algorithms to the data stream to reduce the bandwidth and data rate. It also implements an...

Briefs: Information Technology
Furuno Radar/SureTrak Interface Software

The Wallops Flight Facility Launch Range has a need to interface data from ship surveillance Furuno radar to an existing surveillance display system (SureTrak). SureTrak is a multi-sensor waterway and air surveillance system. The display of Furuno radar data by the SureTrak system will be used for risk...

Briefs: Software
An Empirical Metric of Individual Datapoint Utility Given Ample Metadata as Applied to the OCO-2 Flight System

Traditionally, quality flags provided a binary yes/no estimation of a datapoint’s utility. However, in modern instrumentation, significant auxiliary information for each datapoint can be obtained. This permits prediction of more than...

Briefs: Information Technology
Gravitational Compensation Onboard a Comsat

This technique for compensating the gravitational attraction experienced by a test-mass freely floating onboard a satellite is new, and solves an important problem that all gravitational wave missions face. Its application to the geostationary Laser Interferometer Space Antenna (gLISA) mission concept...

Briefs: Information Technology
Open Scheduling and Planning Interface for Exploration (Open SPIFe)

In order to accomplish mission objectives, NASA must be able to plan and sequence assets (spacecraft and astronauts) in a short amount of time. Planning is a complex process that involves reasoning about thousands of constraints and uncertain conditions in order to produce a...

Briefs: Electronics & Computers
AMMOS-PDS Pipeline Service (APPS) — Label Design Tool (LDT)

A software program builds PDS4 science product label (metadata) and automatically generates its description as part of the software interface specification (SIS) document. This software allows the mission system engineer to interact programmatically with the PDS4 information model,...

Briefs: Electronics & Computers
Activity Model Problem Translator

The Problem Translator is a software program that translates functional Unified Modeling Language (fUML) activity models into a behavior-based computational problem representation language called Behavior XML (BXML). The BXML translation may then be solved by engines such as the Behavior and Analysis Engine. The...

Briefs: Electronics & Computers
Ontological System for Context Artifacts and Resources (OSCAR)

Current data systems catalog and link data using a synthetic modeling approach that requires much domain knowledge in order to interact with the system. Domain knowledge includes what keyword to look for and how data artifacts are linked. OSCAR offers a semantic solution to data...

Briefs: Information Technology
SPSCGR

SPSCGR generates a contact graph suitable for use by the ION (Interplanetary Overlay Network) DTN (Delay/Disruption Tolerant Network) implementation from data provided by the JPL SPS (Service Preparation System) Portal. Prior to SPSCGR, there was no way for a mission or other entity to route DTN traffic across the DSN without manually...

Briefs: Electronics & Computers
Retools: Restriping Tools for Lustre

Modern parallel file systems achieve high performance by distributing (“striping”) the contents of a single file across multiple physical disks to overcome single-disk I/O bandwidth limitations. The striping characteristics of a file determine how many disks it will be striped across and how large each...

Briefs: Information Technology
Method and Program Code for Improving Machine Efficiency in the Computation of Nearly-Singular Integrals

Currently, there is a need for the computational handling of near-singularities that arise in many branches of physics, particularly for handling near-strong singularities. An example of such singularities is presented by the case of...

Briefs: Photonics/Optics
Optical Alignment of the Global Precipitation Measurement (GPM) Spacecraft

Theodolite autocollimation metrology continues to play an important part in spacecraft optical alignment. Spacecraft optical alignment is both art and science for using optical instruments to place or determine the orientation and envelope of critical components on...

Briefs: Photonics/Optics
Low-Excess-Noise, High-Gain Avalanche Photodiodes

Avalanche photodiodes (APDs) are widely used to sense and amplify optical signals into electric signals based on their high quantum efficiency of photon detection and desirable internal gain. The high internal gain associated with APDs, however, may also lead to increased levels of excess noise...

Briefs: Photonics/Optics
A Novel Approach to Liquid-Level Sensing Using Fiber Bragg Grating Technology (CryoFOSS)

The Cryogenic Fiber Optic Sensing System (CryoFOSS) offers an approach to liquid-level sensing that uses fiber optic Bragg sensor technology. The innovation is able to sense liquid levels to within 1/4-inch spatial resolution and can actively discern between...

Briefs: Photonics/Optics
Radiation Design of Ion Mass Spectrometer for Europa

An ion mass spectrometer was developed (IMS) that can operate in the high radiation environment of Jupiter’s magnetosphere and its icy moons. If successful, this instrument will provide the first plasma composition measurements within Jupiter’s magnetosphere. This entails development of...

Briefs: Photonics/Optics
Algorithm for Determining Solar Aspect from Images Generated by the HEROES Mission

The goal of the High Energy Replicated Optics to Explore the Sun (HEROES) mission was to adapt an existing balloon payload, known as High Energy Replicated Optics (HERO), for solar observation. HERO used an on-axis star camera for fine aspect sensing, but this...

Briefs: Photonics/Optics
Semiconductor Quantum Cascade Lasers Fabricated Without Epitaxial Regrowth

Laser absorption spectroscopy has emerged as one of the most important applications for semiconductor quantum cascade (QC) lasers, particularly in the mid-infrared spectral regime where many gases of interest exhibit fundamental absorption features. Laser absorption...

A fiberoptic bus interconnect for spacecraft with multi-Gb/s data rate capacity is designed to provide seamless coordinated control and data exchange at typical intra-spacecraft distances. The...

Briefs: Photonics/Optics
MEMS Glow Discharge Plasma Electron and Ion Source

A microelectromechanical system (MEMS) glow discharge plasma electron and ion source (GDEIS) was designed for operation in high-pressure environments such as planetary atmospheres for mass spectroscopy. Glow discharge electron/ ion sources create electrons and ions from gas molecules in an...

Briefs: Photonics/Optics
Conformal Nanotube Baffle for a Compact Coronagraph

The development of a conformal nanotube process is enabling for many applications in solar physics and space astrophysics (e.g., direct detection and imaging of exoplanets). Coronagraphs are key heliophysics instruments because they image coronal mass ejections (CMEs), which are the most...

Briefs: Manufacturing & Prototyping
Fabrication of Ion Optics Using Additive Manufacturing

Ion optics, or grids, for ion thrusters or ion sources are traditionally made by subtractive manufacturing methods such as milling/drilling or chemically etching holes from thin sheets of bulk material. This innovation uses additive manufacturing (AM), or 3D printing, to build the grids from...

Briefs: Photonics/Optics
A 16-Beam, Non-Scanning, Swath-Mapping Laser Altimeter Instrument

The purpose of this work was to develop and demonstrate technologies for a next-generation, efficient, swath-mapping space laser altimeter. The Lidar Surface Topography (LIST) mission concept allows simultaneous measurements of 5-meter-spatial-resolution topography and vegetation...

Briefs: Sensors/Data Acquisition
Non-Intrusive, On-Line, Simultaneous Multi-Species Impurity Monitor for Hydrogen Gas

In testing hydrogen-fueled engines, the purity of the hydrogen fuel is important. Hydrogen may become contaminated with nitrogen (N2), argon (Ar), or oxygen (O2), thereby making the hydrogen unusable for engine testing at Stennis Space...

Briefs: Sensors/Data Acquisition
X1 Human Interface Detection System (HIDS)

This innovation is a sensor technology that can detect pressures, such as ground force reactions, down to 30 g in weight with a minimum resolution of 5 × 5 mm (resolution dictated by the limitations of the resistor grid array). This device uses a commercially available resistor grid array and custom...

Briefs: Sensors/Data Acquisition
Spacesuit Glove Cut/Damage Warning System

Current spacesuit gloves used by astronauts on the International Space Station (ISS) have sustained cuts during extravehicular activities (EVAs) due to sharp edges and burrs, possibly on damaged ISS handrails. A warning system in the glove would aid in identifying the location of sharp objects and the...

Briefs: Physical Sciences
An Alternative Molecular Sexing Method for the Florida Scrub-jay

A new method of molecular sexing is described that helps to understand population dynamics of the Florida Scrub-jay (FSJ). FSJ is an endemic, nonmigratory, monomorphic species of bird found on the Florida peninsula in lowgrowing oak or pine scrub. The current conservation status...

The SWOT Science Simulator simulates projected SWOT altimetry observations that can be applied to an ocean general circulation model, allowing the exploration of ideas and methods to...

Briefs: Physical Sciences
Digital Elevation Model Maker (DEMmaker)

The DEMmaker suite of software applications produces data products containing surface shape, reflectivity, and geomorphology (craters and rocks) for a desired planetary surface based on statistically accurate size and frequency distributions of geologic and surface impact features. The current version can...

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Protecting Power Electronics from EM and RF Interference

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