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Briefs: Software
Parallel-Processing Software for Correlating Stereo Images
A computer program implements parallel-processing algorithms for correlating images of terrain acquired by stereoscopic pairs of digital stereo cameras on an exploratory robotic vehicle (e.g., a Mars rover). Such correlations are used to create three-dimensional computational models of the...
Briefs: Software
Web-Based Environment for Maintaining Legacy Software
"Advanced Tool Integration Environment" ("ATIE") is the name of both a software system and a Web-based environment created by the system for maintaining an archive of legacy software and expertise involved in developing the legacy software. ATIE can also be used in modifying legacy software and...
Briefs: Software
A report discusses a computer vision algorithm for position estimation to enable precision landing during planetary descent. The Descent Image Motion Estimation System for the Mars Exploration...
Briefs: Software
Grid Task Execution
IPG Execution Service is a framework that reliably executes complex jobs on a computational grid, and is part of the IPG service architecture designed to support location-independent computing. The new grid service enables users to describe the platform on which they need a job to run, which allows the service to locate the...
Briefs: Software
The SharpKBE software provides a graphical user interface environment for domain experts to build and manage knowledge base systems. Knowledge bases can be exported/translated to various target languages...
Briefs: Software
Simulating Operations at a Spaceport
SPACESIM is a computer program for detailed simulation of operations at a spaceport. SPACESIM is being developed to greatly improve existing spaceports and to aid in designing, building, and operating future spaceports, given that there is a worldwide trend in spaceport operations from very expensive,...
Briefs: Software
Web-Based Real-Time Emergency Monitoring
The Web-based Real-Time Asset Monitoring (RAM) module for emergency operations and facility management enables emergency personnel in federal agencies and local and state governments to monitor and analyze data in the event of a natural disaster or other crisis that threatens a large number of people and...
Briefs: Software
Parallel Computing With Satellite Orbit Analysis Program
This software innovation speeds up the computation time of the Satellite Orbit Analysis Program (SOAP) tool by parallelizing the code using the message- passing interface (MPI) library. The speed increases almost linearly with the number of processors, allowing the perstudy duration of the...
Briefs: Software
Periodic, On-Demand, and User-Specified Information Reconciliation
POUR is a framework that accepts periodic information updates, collects information on demand, and accepts user-specified information while presenting a single unified view to the user. The primary functionality of POUR is through its query interface. A query consists of any number...
Briefs: Software
Information Metacatalog for a Grid
SWIM is a Software Information Metacatalog that gathers detailed information about the software components and packages installed on a grid resource. Information is currently gathered for Executable and Linking Format (ELF) executables and shared libraries, Java classes, shell scripts, and Perl and Python modules....
Briefs: Software
Automated Sequence Generation Process and Software
"Automated sequence generation" (autogen) signifies both a process and software used to automatically generate sequences of commands to operate various spacecraft. Autogen requires fewer workers than are needed for older manual sequence-generation processes and reduces sequence-generation times...
Briefs: Software
A master metadata repository (MMR) software system manages the storage and searching of metadata pertaining to data from national and international satellite sources of the Global Ocean...
Briefs: Software
Real-Time Data Display
RT-Display is a MATLAB- based data acquisition environment designed to use a variety of commercial off-the-shelf (COTS) hardware to digitize analog signals to a standard data format usable by other post-acquisition data analysis tools. This software presents the acquired data in real time using a variety of signal-processing...
Briefs: Software
Collaborative Resource Allocation
Collaborative Resource Allocation Networking Environment (CRANE) Version 0.5 is a prototype created to prove the newest concept of using a distributed environment to schedule Deep Space Network (DSN) antenna times in a collaborative fashion. This program is for all space-flight and terrestrial science project users...
Briefs: Materials
A technique for suppressing sublimation of key elements from skutterudite compounds in advanced thermoelectric devices has been demonstrated. The essence of the technique is to cover what...
Briefs: Materials
Rapid Fabrication of Carbide Matrix/Carbon Fiber Composites
Composites of zirconium carbide matrix material reinforced with carbon fibers can be fabricated relatively rapidly in a process that includes a melt infiltration step. Heretofore, these and other ceramic matrix composites have been made in a chemical vapor infiltration (CVI) process that...
Briefs: Materials
Ultrahigh temperature ceramics (UHTCs) are a class of materials that include the diborides of metals such as hafnium and zirconium. The materials are of interest to NASA for their potential utility as sharp...
Briefs: Materials
Improved C/SiC Ceramic Composites Made Using PIP
Improved carbon-fiber- reinforced SiC ceramic-matrix composite (C/SiC CMC) materials, suitable for fabrication of thick-section structural components, are producible by use of a combination of raw materials and processing conditions different from such combinations used in the prior art. In...
Briefs: Materials
Coating Carbon Fibers With Platinum
A process for coating carbon fibers with platinum has been developed. The process may also be adaptable to coating carbon fibers with other noble and refractory metals, including rhenium and iridium. The coated carbon fibers would be used as ingredients of matrix/fiber composite materials that would resist...
Briefs: Materials
Nanorod-Based Fast-Response Pressure-Sensitive Paints
A proposed program of research and development would be devoted to exploitation of nanomaterials in pressuresensitive paints (PSPs), which are used on wind-tunnel models for mapping surface pressures associated with flow fields. Heretofore, some success has been achieved in measuring...
Briefs: Semiconductors & ICs
A microrectenna that would operate at a frequency of 2.5 THz has been designed and partially fabricated. The circuit is intended to be a prototype of an extremely compact device that...
Briefs: Electronics & Computers
A polarimetric radiometer that operates at a frequency of 40 GHz has been designed and built as a prototype of multiple identical units that could be arranged in a planar array for scientific...
Briefs: Electronics & Computers
A window for a high-sensitivity microwave receiving system allows microwave radiation to pass through to a cryogenically cooled microwave feed system in a vacuum chamber, while keeping ambient air out of the...
Briefs: Electronics & Computers
Photonic local oscillators and modulators that include whispering-gallery- mode (WGM) optical resonators have been proposed as power-efficient devices for generating and detecting radiation at...
Briefs: Electronics & Computers
The upper part of the figure depicts an aperture-coupled L-band antenna comprising patterned metal conductor films supported on two thin polyimide membranes separated by an air gap. In this antenna,...
Briefs: Electronics & Computers
Focal-plane arrays of semiconductor quantum-dot infrared photodetectors (QDIPs) are being developed as superior alternatives to prior infrared imagers, including imagers based on HgCdTe...
Briefs: Electronics & Computers
A proposed laser-based instrument would quickly measure the approximate distance and approximate direction to the closest target within its field of view. The instrument would not contain any...
Briefs: Electronics & Computers
A miniature L-band transceiver that operates at a carrier frequency of 1.25 GHz has been developed as part of a generic radar electronics module (REM) that would constitute one unit in an array of many...
Briefs: Electronics & Computers
The device shown in the figure exploits cathodoluminescence to generate intense light in the visible and near-infrared regions of the spectrum. This device is suitable for use as a source of...
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