Software

Access our comprehensive library of technical briefs on software, from engineering experts at NASA and major government, university, and commercial laboratories.

Briefs : Data Acquisition
Detecting Unauthorized Device Access by Comparing Multiple Independent Spatial-Time Data Sets from Other Devices

NASA’s Goddard Space Flight Center has developed a method to collect suspicious data and analyze them without extensive costs. A common challenge in complex computer systems is the identification of unauthorized use, which can be...

Briefs : Data Acquisition
Selective Access and Editing in a Database

NASA has developed a method and system that provides selective access to different portions of a database by different subgroups of database users. In this system, two or more members of a given access subgroup can simultaneously edit a document accessible to each member. This database system provides...

Briefs : Software
Integrated Genomic and Proteomic Information Security Protocol

The evolving nature of the Internet will require continual advances in authentication and confidentiality protocols. Nature provides some clues as to how this can be accomplished in a distributed manner through molecular biology. Cryptography and molecular biology share certain...

Briefs : Transportation
Stretchable Mesh for Cavity Noise Reduction

NASA’s Langley Research Center has developed a landing gear cavity modification that reduces noise produced during aircraft approach and landing. The modification is an innovative stretchable...

Briefs : Mechanical & Fluid Systems
Algorithm Boosts Speed of 3D Printers

A major drawback to 3D printing is the slow pace of the process, which ensures details are reproduced accurately. The pace of 3D printing is one of the factors that has prevented the technology from finding a broader audience. A new algorithm was developed that boosts the speed at which the printers...

Briefs : Software
Ad-Hoc Cache Hierarchies Increase Processing Speed and Reduce Energy Consumption

The efficiency of computer chips has increased by using caches — small, local memory banks that store frequently used data and cut down on time- and...

Briefs : Software
EOS MLS Level 2 Data Processing Software, Version 4

This software reads MLS Level 1 products — the Earth Observing System (EOS) Microwave Limb Sounder (MLS) calibrated measurements of microwave radiance products and operational meteorological data — and produces a set of estimates of atmospheric temperature and composition. The software...

Briefs : Electronics & Computers
The NiceC Programming Language

NiceC is an improved version of ANSI C. It attempts to clean up C as much as possible using syntax translation. A type checker for NiceC is under development. The NiceC programming language is translated to, and fully compatible with, ordinary C. Thus it can be used as a drop-in replacement for C. The main benefits...

Briefs : Electronics & Computers
APT Web Tool

Project planning data collected by the Analysis, Planning, and Tracking (APT) system during the planning cycle previously was available to users via an email request to a data administrator who would pull data from the database, format as requested, and respond via email. Access to the data was limited by the availability of the...

Briefs : Software
Echo Analysis Environment for Analyzing Large, Complex Datasets

Analyzing data piecemeal is usually uninformative. Analysts need tools to evaluate multiple pieces of data simultaneously that are related by a common thread. Identifying that...

Briefs : Imaging
MorphoHawk Mathematic Morphology Software for Image and Data Analysis

Computers and automated systems have accelerated productivity and improved quality and reliability for nearly everything, and are destined to take on increasing roles as time moves on. One major limiting factor for automated systems is their inability to categorize and...

Briefs : Software
Metamaterial Converts Linear Compression Forces into a Rotational Movement

Using 3D printers, researchers have created a metamaterial from cubic building blocks that responds to compression forces by a rotation. Usually, this can only be...

Briefs : Software
Software Brings Movement to Linear Actuators

Linear actuator manufacturers have a history of strong mechanical design expertise, which is the core of any linear actuation; however, giving motion to modern powered equipment goes beyond a...

Briefs : Software
AMMOS-PDS Pipeline Service (APPS)

APPS provides a multi-mission instrument data and metadata (i.e. label) transformation service that interfaces local or remote Mission Data provider’s data processing pipeline/end-products and the PDS (Planetary Data System) data archive to ensure compliance to standards in a schedule/cost-efficient manner...

Briefs : Software
Algorithm Repairs Corrupted Digital Images in One Step

From phone camera snapshots to life-saving medical scans, digital images play an important role in the way humans communicate information. But digital images are subject to a range of...

Briefs : Software
Soil Moisture Active-Passive Project Spacecraft Flight Software

The Soil Moisture Active-Passive (SMAP) Project Spacecraft Flight Software controls all aspects of command and data handling (CDH) in the SMAP spacecraft. Required capabilities include uplink and command, telemetry and downlink, vehicle attitude control, science instrument control,...

Briefs : Software
Deterministic Annealing Clustering

This software partitions a dataset into clusters of data using the Deterministic Annealing algorithm, a more sophisticated clustering technique than usually available in scientific and commercial software. The results provided are deterministic, i.e. unique (within the machine precision tolerance), whereas...

Briefs : Software
Software Verifies Identity by DNA in Minutes

Researchers have developed a method to quickly and accurately identify people and cell lines from their DNA. The software could be used to flag mislabeled or contaminated cell lines in cancer...

Briefs : Software
Discontinuous-Galerkin Spectral-Element Solver (Eddy)

Eddy is a fundamental research code for advancing spectral methods for complex geometry. The software is intended to enable researchers to collaborate through a common framework that supports three-dimensional simulations on practical problems. Areas of interest include advanced numerical...

Briefs : Software
Data Compression and Pattern Recognition Software for Hypersensor Data

Historically, there have been various approaches to problems relating to the detection of small, weak, or hidden objects, substances, or patterns embedded in complex backgrounds. One approach has been to use low-dimensional sensor systems that attempt to detect a clean...

Briefs : Software
Adjoint Error Estimation for Embedded-Boundary Cartesian Meshes for use with Cart3D

This technology provides means of estimating numerical errors in user-specified output functionals, such as lift or drag, for fluid flow simulations. The new method computes an improved estimate of the output (relative to the baseline simulation), an estimate of...

Briefs : Software
Desktop Status

The purpose of the Desktop Status application is to collect processor, memory, and storage usages of a computer running the Microsoft Windows 7 operating system, and record these data with time stamps to files at a user-defined time interval. A graphical user interface (GUI) captures users' inputs and displays them on a plot for...

Briefs : Software
ScienceOrganizer: A Scientific Knowledge Management and Remote Experimentation Tool

The ScienceOrganizer system was designed to facilitate the work of geographically distributed NASA science teams by supporting the organization, administration, documentation, and execution of science projects and missions. The capabilities of ScienceOrganizer...

Briefs : Software
Knowledge Preservation Management

The Knowledge Preservation Management (KPM) system allows for the capture, management, and Web-based access of manufacturing operations information. KPM also captures retirees' knowledge via transcript-enabled video-taped interviews, and with video data-mining advanced search capabilities. Access to this...

Briefs : Software
Development of Automated Structural Health Monitoring for Composite Overwrapped Pressure Vessels

Virtually all NASA spacecraft use composite overwrapped pressure vessels (COPVs) to reduce the weight disadvantage of metal pressure vessels. However, these composite structures are more susceptible to damage than metal PVs, are difficult to inspect,...

Briefs : Software
MSET Industrial Early Warning System

System breakdowns in modern industrial environments can result in millions of dollars in lost time and productivity, and even the loss of life and property. In the utilities industry — where the continuous operation of coolant pumps is essential — the breakdown of a single pump can result in a loss of as...

Briefs : Software
Robust Mesh Update Method for Grid Motion Problems

Over the past several decades, one class of problems in computational fluid dynamics (CFD) that has undergone substantial development involves movement of the fluid domain boundary. The problem class exists when the fluid domain boundary is either explicitly time-dependent, or is known a priori...

Briefs : Software
An Upwind Parabolized Navier-Stokes Solver (UPS) for Supersonic and Hypersonic Flow Simulation, Version 6.1

The simulation of high-speed flow involves unique challenges such as the treatment of strong flow gradients associated with shock waves and expansion fans, as well as the modeling, at hypersonic speeds, of air chemistry effects. However,...

Briefs : Software
Efficient Two-Dimensional Solution Methods for the Navier-Stokes Equations

ARC2D is a computational fluid dynamics (CFD) program for two-dimensional airfoil and simply connected geometries. The program uses implicit finite-difference techniques to solve two-dimensional Euler equations and Navier-Stokes equations. It is based on the Beam and...

Briefs : Software
Using SysML to Model Layered System Interfaces

To produce accurate system architecture descriptions, it is essential to be able to describe interfaces between system elements at different levels of abstraction and from different perspectives at the same time. For example, the connection from system A to system B may be viewed at a high level as...