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Briefs: Software
Orbit Software Suite
Orbit Software Suite is used to support a variety of NASA/DM (Dependable Multiprocessor) mission planning and analysis activities on the IPS (Intrusion Prevention System) platform. The suite of Orbit software tools (Orbit Design and Orbit Dynamics) resides on IPS/Linux workstations, and is used to perform mission design and...
Briefs: Software
CoNNeCT Baseband Processor Module Boot Code SoftWare (BCSW)
This software provides essential startup and initialization routines for the CoNNeCT baseband processor module (BPM) hardware upon power-up. A command and data handling (C&DH) interface is provided via 1553 and diagnostic serial interfaces to invoke operational, reconfiguration, and...
Briefs: Software
Trajectory Software With Upper Atmosphere Model
The Trajectory Software Applications 6.0 for the Dec Alpha platform has an implementation of the Jacchia-Lineberry Upper Atmosphere Density Model used in the Mission Control Center for International Space Station support. Previous trajectory software required an upper atmosphere to support atmosphere...
Briefs: Software
ALSSAT Version 6.0
Advanced Life Support Sizing Analysis Tool (ALSSAT) at the time of this reporting has been updated to version 6.0. A previous version was described in “Tool for Sizing Analysis of the Advanced Life Support System” (MSC- 23506), NASA Tech Briefs, Vol. 29, No. 12 (December 2005), page 43. To recapitulate: ALSSAT is a computer...
Briefs: Manufacturing & Prototyping
Projects that utilize large volumes of nonmetallic materials of planetary protection concern pose a challenge to their bioburden budget, as the most...
Briefs: Manufacturing & Prototyping
Demonstration of Minimally Machined Honeycomb Silicon Carbide Mirrors
Honeycomb silicon carbide composite mirrors are made from a carbon fiber preform that is molded into a honeycomb shape using a rigid mold. The carbon fiber honeycomb is densified by using polymer infiltration pyrolysis, or through a reaction with liquid silicon. A chemical vapor...
Briefs: Materials
Nanoengineered Thermal Materials Based on Carbon Nanotube Array Composites
State-of-the-art integrated circuits (ICs) for microprocessors routinely dissipate power densities on the order of 50 W/cm2. This large power is due to the localized heating of ICs operating at high frequencies and must be managed for future highfrequency microelectronic...
Briefs: Materials
Polyimide Aerogel Thin Films
Polyimide aerogels have been cross-linked through multifunctional amines. This invention builds on “Polyimide Aerogels With Three-Dimensional Cross-Linked Structure,” (LEW-18486-1), NASA Tech Briefs, Vol. 34, No. 8 (August 2010), page 38, and may be considered as a continuation of that invention, which results in a...
Briefs: Materials
Composite Laminate With Coefficient of Thermal Expansion Matching D263 Glass
The International X-ray Observatory project seeks to make an X-ray telescope assembly with 14,000 flexible glass segments. The glass used is commercially available SCHOTT D263 glass. Thermal expansion causes the mirror to distort out of alignment. A housing material is...
Briefs: Mechanical & Fluid Systems
Robust Tensioned Kevlar Suspension Design
One common but challenging problem in cryogenic engineering is to produce a mount that has excellent thermal isolation but is also rigid. Such mounts can be achieved by suspending the load from a network of fibers or strings held in tension. Kevlar fibers are often used for this purpose owing to their high...
Briefs: Mechanical & Fluid Systems
In many applications, an optical detector has to be located relative to mechanical reference points. One solution is to specify stringent requirements on (1) mounting the optical detector relative to...
Briefs: Medical
Purifying, Separating, and Concentrating Cells From a Sample Low in Biomass
Frequently there is an inability to process and analyze samples of low biomass due to limiting amounts of relevant biomaterial in the sample. Furthermore, molecular biological protocols geared towards increasing the density of recovered cells and biomolecules of interest,...
Briefs: Medical
Virtual Ultrasound Guidance for Inexperienced Operators
Medical ultrasound or echocardiographic studies are highly operatordependent and generally require lengthy training and internship to perfect. To obtain quality echocardiographic images in remote environments, such as on-orbit, remote guidance of studies has been employed. This technique...
Briefs: Physical Sciences
Method to Remove Particulate Matter From Dusty Gases at Low Pressures
Future human exploration of Mars will rely on local Martian resources to reduce the mass, cost, and risk of space exploration launched from Earth. NASA’s In Situ Resource Utilization (ISRU) Project seeks to produce mission consumables from local Martian resources, such as...
Briefs: Physical Sciences
A new method has been developed for monitoring and control of automated sample processing and preparation especially focusing on desalting of samples before analytical...
Briefs: Physical Sciences
An MSK Radar Waveform
The minimum-shift-keying (MSK) radar waveform is formed by periodically extending a waveform that separately modulates the in-phase and quadraturephase components of the carrier with offset pulse-shaped pseudo noise (PN) sequences. To generate this waveform, a pair of periodic PN sequences is each passed through a...
Briefs: Physical Sciences
Telescope Alignment From Sparsely Sampled Wavefront Measurements Over Pupil Subapertures
Alignment of two-element telescopes is a classic problem. During recent integration and test of the Space Interferometry Mission’s (SIM’s) Astrometric Beam Combiner (ABC), the innovators were faced with aligning two such telescope subsystems in the presence...
Briefs: Manufacturing & Prototyping
Heat Shield Employing Cured Thermal Protection Material Blocks Bonded in a Large-Cell Honeycomb Matrix
A document describes a new way to integrate thermal protection materials on external surfaces of vehicles that experience the severe heating environments of atmospheric entry from space. Cured blocks of thermal protection materials are bonded into...
Briefs: Lighting
New Technique Allows Simulation of Noncrystalline Materials
A multidisciplinary team of researchers at MIT and in Spain has found a new mathematical approach to simulating the electronic behavior of noncrystalline materials, which may eventually play an important part in new devices including solar cells, organic LED lights, and printable, flexible...
Briefs: Lighting
A team of nanomaterials researchers at Sandia National Laboratories has developed a new technique that could make radiation detection in cargo and baggage more effective and less costly for...
Briefs: Lighting
The gallium nitride nanowires grown by PML scientists may only be a few tenths of a micrometer in diameter, but they promise a very wide range of applications, from new light-emitting diodes and diode lasers to...
Briefs: Software
iGlobe Interactive Visualization and Analysis of Spatial Data
iGlobe is open-source software built on NASA World Wind virtual globe technology. iGlobe provides a growing set of tools for weather science, climate research, and agricultural analysis. Up until now, these types of sophisticated tools have been developed in isolation by national...
Briefs: Physical Sciences
With present concern for ecological sustainability ever increasing, it is desirable to model the composition of Earth’s upper atmosphere accurately with regards to certain helpful and...
Briefs: Software
Small Aircraft Data Distribution System
The CARVE Small Aircraft Data Distribution System acquires the aircraft location and attitude data that is required by the various programs running on a distributed network. This system distributes the data it acquires to the data acquisition programs for inclusion in their data files.
Briefs: Software
Earth Science Datacasting v2.0
The Datacasting software, which consists of a server and a client, has been developed as part of the Earth Science (ES) Datacasting project. The goal of ES Datacasting is to provide scientists the ability to automatically and continuously download Earth science data that meets a precise, predefined need, and then to...
Briefs: Information Technology
An algorithm based on Chebyshev polynomials effects lossy compression of time-series data or other one-dimensional data streams (e.g., spectral data) that are arranged in blocks for sequential...
Briefs: Information Technology
Onboard Science and Applications Algorithm for Hyperspectral Data Reduction
An onboard processing mission concept is under development for a possible Direct Broadcast capability for the HyspIRI mission, a Hyperspectral remote sensing mission under consideration for launch in the next decade. The concept would intelligently spectrally and spatially...
Briefs: Software
Security Data Warehouse Application
The Security Data Warehouse (SDW) is used to aggregate and correlate all JSC IT security data. This includes IT asset inventory such as operating systems and patch levels, users, user logins, remote access dial-in and VPN, and vulnerability tracking and reporting. The correlation of this data allows for an...
Briefs: Information Technology
Sampling Technique for Robust Odorant Detection Based on MIT RealNose Data
This technique enhances the detection capability of the autonomous RealNose system from MIT to detect odorants and their concentrations in noisy and transient environments. The low-cost, portable system with low power consumption will operate at high speed and is suited for...
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