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NASA Records Database

The NASA Records Database, comprising a Web-based application program and a database, is used to administer an archive of paper records at Stennis Space Center. The system begins with an electronic form, into which a user enters information about records that the user is sending to the archive.

Posted in: Information Sciences, Briefs

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Real-Time Principal-Component Analysis

A recently written computer program implements dominant-element-based gradient descent and dynamic initial learning rate (DOGEDYN), which was described in “Method of Real-Time Principal-Component Analysis” (NPO-40034) NASA Tech Briefs, Vol. 29, No. 1 (January 2005), page 59.

Posted in: Information Sciences, Briefs, TSP

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Fuzzy/Neural Software Estimates Costs of Rocket-Engine Tests

The Highly Accurate Cost Estimating Model (HACEM) is a software system for estimating the costs of testing rocket engines and components at Stennis Space Center.

Posted in: Information Sciences, Briefs

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Adaptive Filtering Using Recurrent Neural Networks

Precise system models are not needed for state filtering.

Posted in: Information Sciences, Briefs

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Applying Standard Interfaces to a Process-Control Language

 A method of applying open-operating-system standard interfaces to the NASA User Interface Language (UIL) has been devised.

Posted in: Information Sciences, Briefs

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FastScript3D a Companion to Java 3D

FastScript3D is a computer program, written in the Java 3D™ programming language, that establishes an alternative language that helps users who lack expertise in Java 3D to use Java 3D for constructing three-dimensional (3D)-appearing graphics.

Posted in: Information Sciences, Briefs, TSP

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Generating Mosaics of Astronomical Images

“Montage” is the name of a service of the National Virtual Observatory (NVO), and of software being developed to implement the service via the World Wide Web.

Posted in: Information Sciences, Briefs, TSP

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