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Briefs: Information Technology
Electronic Bulletin Board Publishes Schedules in Real Time
Real Time Schedule Publisher (RTSP) is a computer program that generates a report of the current schedules of as many as about 25 users within an organization. The report is refreshed every 5 minutes and displayed in a common area on a flat-panel computer monitor that serves as an...
Briefs: Information Technology
Johnson Space Center's (JSC's) growing operations community requires new ways to distribute and process mission information. The Mission Control Center uses flight-control application programs...
Briefs: Information Technology
The NACA Technical Report Server (NACATRS) is both a node in the NASA Technical Report Server and a stand-alone World Wide Web (WWW) site. The NACATRS is dedicated to the preservation and dissemination of reports...
Briefs: Information Technology
Program for Displaying Large, Coregistered Images
DataSlate is an easy-to-use Java-language computer program for displaying coregistered raster images representing large sets of data. The program includes a main viewing module that can display image data that have been converted into a special DataSlate format called "SimpleStruct" by use of an...
Briefs: Information Technology
An improved method of processing two- and three-dimensional image data to locate known shapes called "geometric primitives" involves (1) extraction of edges and other relevant image...
Briefs: Information Technology
A method of forward error correction by Reed-Solomon (RS) coding has been devised to increase the link margins of data-communication systems that must handle variable-length frames or...
Briefs: Information Technology
A recently developed algorithm saves encoding and decoding time in the operation of data-communication systems that utilize the NRZM code, which is derived from the better-known...
Briefs: Information Technology
Program for Visualization and Exploration of Scientific Data
WebWinds is an interactive computer program that aids the visualization and exploration of scientific data. WebWinds is the successor to LinkWinds, which was reported in "LinkWinds — Flexible Software for Highly Interactive Visual Data Analysis" (NPO-19786), NASA Tech Briefs, Vol. 20,...
Briefs: Information Technology
The Goal Performance Evaluation System (GPES) is an Internet-based automated management information system (see figure) now undergoing development at Kennedy Space Center (KSC). The GPES is...
Briefs: Information Technology
A method of processing of time-series data from sensors that monitor a dynamic physical system has been devised to enable detection of anomalies in the dynamics. The method involves computing...
Briefs: Information Technology
Interface Program for Generation of Computational Grids
Computer Aided Grid Interface (CAGI) is a computer program that serves as an interface between computer-aided design/computer-aided manufacturing (CAD/CAM) programs and computational fluid dynamics (CFD) programs. CAGI reads Initial Graphics Exchange Specification (IGES) files from CAD/CAM...
Briefs: Information Technology
The Multi-Disciplinary Computing Environment (MDICE) is a software system for multidisciplinary analysis of complex engineering equipment, processes, and systems. Currently MDICE supports a...
Briefs: Information Technology
Electronic Storage and Retrieval of Engineering Documents
The KSC Electronic Documentation System (KEDS) is a computer-intranet system at Kennedy Space Center (KSC) for the storage and retrieval of engineering drawings and other engineering documents that have been officially released. Prior to the development of the KEDS, microfilm copies of...
Briefs: Information Technology
Optimization Modeling Assistant (OMA) is an expert-system computer program that assists its users in the development of mathematical and algorithmic models for optimization. As used...
Briefs: Information Technology
A recently developed theoretical and computational method is especially well suited for analyzing time-series data that represent nonstationary and nonlinear processes. The method stands in...
Briefs: Information Technology
Fast Observers for Spacecraft Pointing Control
A report discusses the design of fast stochastic observers for spacecraft pointing control. In this special context, "observers" signifies mathematical algorithms, implemented on computers aboard spacecraft, through which one processes sensory data (principally, the outputs of star trackers and...
Briefs: Information Technology
Software Collects Planning and Scheduling Requirements
Interim User's Requirements Collection (IURC) is a software system that generates an interactive graphical user interface that enables users of the International Space Station (ISS) to specify their payload-planning and -scheduling requirements via the World Wide Web (WWW). IURC includes...
Briefs: Information Technology
Software for Ground Processing of Data From Landsat 7
Three computer programs have been developed for ground processing of Enhanced Thematic Mapper Plus (ETM+) data from Landsat 7. The three programs and their functions are the following:
Briefs: Information Technology
Program for Viewing Remotely Generated Summary Data
The Beacon Visualization (BeaVis) computer program provides a ground-based computing environment for displaying, tracking, storing, and maneuvering through telemetric data streams that contain summaries of engineering data generated aboard a spacecraft. BeaVis can also serve as a general-purpose...
Briefs: Information Technology
Electronic Time-Card System
A computer-based automated system has been developed to replace a cumbersome and error-prone paper-based system for recording employees' work times. The automated system minimizes the consumption of paper and eliminates the need for weekly pick-up and delivery of time sheets throughout the Kennedy Space Center. The...
Briefs: Information Technology
The numerical speed of sound is a variable that is used in the numerical solution of flows from low to high speeds. The numerical speed of sound is an effective speed of sound associated with Mach numbers used in the...
Briefs: Information Technology
A methodology of computer-aided planning has been developed to (1) accelerate the generation of plans for activities within complex systems of personnel and equipment; (2) increase the...
Briefs: Information Technology
The Coordinated Data Analysis Workshop Web (CDAWeb) is a web-based service that facilitates access to a scientific data base of the International Solar-Terrestrial Physics (ISTP) program and...
Briefs: Information Technology
A Standard for Scientific Data Files
The term "Instrument Data File Set" (IDFS) denotes both software and an underlying concept of a prescribed format for files of scientific data and metadata. The IDFS was developed to satisfy a need, in the space science community, to maintain data and metadata in a format that promotes efficient use of the...
Briefs: Information Technology
Software for Display and Analysis of Scientific Data
The Southwest Data Display and Analysis System (SDDAS) is a flexible, extensible software system intended to support analysis of space physics data from multiple instruments and multiple spacecraft missions. SDDAS was developed in response to the need of space scientists to be able to gain...
Briefs: Information Technology
Forth Source Code Analysis Tool Set (FSCATS) is a computer program that provides a wide range of capabilities for documenting, analyzing, and reverse-engineering computer programs written in the Forth...
Briefs: Information Technology
Rapid-Prototyping Virtual-Reality Software Tool Kit
The VrTool computer program enables its user to rapidly develop a prototype virtual-reality (VR) application program. Users of VR application programs need software that can help them keep pace with the rapidly evolving VR field. None of the previously commercially available VR software tool kits...
Briefs: Information Technology
Program for Parallel Distributed Processing
A software system has been devised to manage automatically (1) the distribution of mutually independent computing tasks to computer workstations in NASA's Flight Design and Analysis System (FADS) network and (2) the execution of those tasks on those workstations. This program parallelizes serial tasks,...
Briefs: Information Technology
A method of determining the location and the uncertainty in the location of a mobile robot to subpixel resolution on a map grid has been devised. The method is applicable to a robot...
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