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Briefs: Information Technology
Scalable Integrated Multi-Mission Support System Simulator Release 3.0
The Scalable Integrated Multi-mission Support System (SIMSS) is a tool that performs a variety of test activities related to spacecraft simulations and ground segment checks.
Briefs: Software
SE-FIT
The mathematical theory of capillary surfaces has developed steadily over the centuries, but it was not until the last few decades that new technologies have put a more urgent demand on a substantially more qualitative and quantitative understanding of phenomena relating to capillarity in general. So far, the new theory development...
Briefs: Lighting
Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential...
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Articles: Test & Measurement
Finite element representations of crash test dummies are widely used in the simulation of vehicle safety systems. The biofidelity of such models is strongly dependent on the...
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Briefs: Medical
The objective of this research was to design, build, and test an experimental apparatus for studying the parameters of atmospheric entry heating, and...
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Briefs: Software
LogScope
LogScope is a software package for analyzing log files. The intended use is for offline post-processing of such logs, after the execution of the system under test. LogScope can, however, in principle, also be used to monitor systems online during their execution. Logs are checked against requirements formulated as monitors expressed in a...
Briefs: Information Technology
Space Operations Learning Center
The Space Operations Learning Center (SOLC) is a tool that provides an online learning environment where students can learn science, technology, engineering, and mathematics (STEM) through a series of training modules. SOLC is also an effective media for NASA to showcase its contributions to the general public. SOLC...
Briefs: Information Technology
Pattern Recognition Algorithm for High- Sensitivity Odorant Detection in Unknown Environments
In a realistic odorant detection application environment, the collected sensory data is a mix of unknown chemicals with unknown concentrations and noise. The identification of the odorants among these mixtures is a challenge in data recognition. In...
Briefs: Electronics & Computers
Dynamically Reconfigurable Systolic Array Accelerator
A polymorphic systolic array framework has been developed that works in conjunction with an embedded microprocessor on a field-programmable gate array (FPGA), which allows for dynamic and complimentary scaling of acceleration levels of two algorithms active concurrently on the FPGA. Use is made...
Briefs: Software
Motion-Capture-Enabled Software for Gestural Control of 3D Models
Current state-of-the-art systems use general-purpose input devices such as a keyboard, mouse, or joystick that map to tasks in unintuitive ways. This software enables a person to control intuitively the position, size, and orientation of synthetic objects in a 3D virtual environment....
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...
Research News: Lighting
Ateam of physicists headed by Dr. Vinod M. Menon, who is a member of The City University of New York Photonics Initiative and teaches at Queens College, has discovered a...
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Briefs: Software
Probabilistic Fatigue Damage Program (FATIG)
FATIG computes fatigue damage/ fatigue life using the stress rms (root mean square) value, the total number of cycles, and S–N curve parameters. The damage is computed by the following methods: (a) traditional method using Miner’s rule with stress cycles determined from a Rayleigh distribution up to...
Briefs: Software
DspaceOgreTerrain 3D Terrain Visualization Tool
DspaceOgreTerrain is an extension to the DspaceOgre 3D visualization tool that supports real-time visualization of various terrain types, including digital elevation maps, planets, and meshes. DspaceOgreTerrain supports creating 3D representations of terrains and placing them in a scene graph. The 3D...
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...
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Briefs: Information Technology
Trick Simulation Environment 07
The Trick Simulation Environment is a generic simulation toolkit used for constructing and running simulations. This release includes a Monte Carlo analysis simulation framework and a data analysis package. It produces all auto documentation in XML. Also, the software is capable of inserting a malfunction at any...
Briefs: Information Technology
Space Operations Learning Center Facebook Application
The proposed Space Operations Learning Center (SOLC) Facebook module, initially code-named “Spaceville,” is intended to be an educational online game utilizing the latest social networking technology to reach a broad audience base and inspire young audiences to be interested in math,...
Briefs: Medical
Hardy Bacterium Isolated From Two Geographically Distinct Spacecraft Assembly Cleanroom Facilities
Earlier studies have confirmed that a tenacious hardy bacterial population manages to persist and survive throughout a spacecraft assembly process. The widespread detection of these organisms underscores the challenges in eliminating them completely....
Briefs: Information Technology
Verilog-A Device Models for Cryogenic Temperature Operation of Bulk Silicon CMOS Devices
Verilog-A based cryogenic bulk CMOS (complementary metal oxide semiconductor) compact models are built for state-of-the-art silicon CMOS processes. These models accurately predict device operation at cryogenic temperatures down to 4 K. The models are compatible...
Briefs: Electronics & Computers
Fast and Adaptive Lossless Onboard Hyperspectral Data Compression System
Modern hyperspectral imaging systems are able to acquire far more data than can be downlinked from a spacecraft. Onboard data compression helps to alleviate this problem, but requires a system capable of power efficiency and high throughput. Software solutions have limited...
Briefs: Software
LEGION: Lightweight Expandable Group of Independently Operating Nodes
LEGION is a lightweight C-language software library that enables distributed asynchronous data processing with a loosely coupled set of compute nodes. Loosely coupled means that a node can offer itself in service to a larger task at any time and can withdraw itself from service...
Briefs: Physical Sciences
Real-Time, Non-Intrusive Detection of Liquid Nitrogen in Liquid Oxygen at High Pressure and High Flow
An integrated fiber-optic Raman sensor has been designed for real-time, nonintrusive detection of liquid nitrogen in liquid oxygen (LOX) at high pressures and high flow rates in order to monitor the quality of LOX used during rocket engine ground...
Briefs: Physical Sciences
Design and Performance of a Wideband Radio Telescope
The Goldstone Apple Valley Radio Telescope (GAVRT) is an outreach project, a partnership involving NASA’s Jet Propulsion Laboratory (JPL ), the Lewis Center for Educational Research (LCER), and the Apple Valley Unified School District near the NASA Goldstone deep space communication complex....
Briefs: Information Technology
IMAGESEER — IMAGEs for Education and Research
IMAGESEER is a new Web portal that brings easy access to NASA image data for non-NASA researchers, educators, and students. The IMAGESEER Web site and database are specifically designed to be utilized by the university community, to enable teaching image processing (IP) techniques on NASA data, as...
Briefs: Information Technology
Vehicle Detection for RCTA/ANS (Autonomous Navigation System)
Using a stereo camera pair, imagery is acquired and processed through the “JPLV” stereo processing pipeline. From this stereo data, large 3D blobs are found. These blobs are then described and classified by their shape to determine which are vehicles and which are not. Prior vehicle...
Briefs: Information Technology
Image Mapping and Visual Attention on the Sensory Ego-Sphere
The Sensory Ego-Sphere (SES) is a short-term memory for a robot in the form of an egocentric, tessellated, spherical, sensory-motor map of the robot’s locale. Visual attention enables fast alignment of overlapping images without warping or position optimization, since an attentional...
Application Briefs: Medical
Johns Hopkins engineers, recognized as experts in medical robotics, are helping NASA with a space dilemma: How can the agency fix valuable satellites that are breaking...
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Articles: Imaging
Auto-fluorescent proteins have become an indispensible tool for cell biology research over the past decade. Originating from sea creatures such as jellyfish and sea...
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Briefs: Materials
Methods and Compositions Based on Culturing Microorganisms in Low Sedimental Fluid Shear Conditions
The benefits of applying a low sedimental fluid shear environment to manipulate microorganisms were examined. Microorganisms obtained from a low sedimental fluid shear culture, which exhibit modified phenotypic and molecular genetic characteristics,...

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