Stories
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Briefs: RF & Microwave Electronics
V-FASTR Radio Transient Classifier
The V-FASTR (VLBA Fast Transient Experiment) system was motivated by the desire to monitor the radio sky for interesting transient events. To be confident that no interesting extragalactic event is missed, every VFASTR candidate requires human review and evaluation. Candidates consist of pulsar pulses, spurious...
Briefs: Software
Real-Bogus Machine Learning Systems at the Intermediate Palomar Transient Factory
The intermediate Palomar Transient Factory (iPTF) is a wide-field sky survey of the optical transient sky (e.g., supernovae, variable stars) that uses image subtraction for the discovery of astronomical transients. Astronomical transients, such as supernovae, are only...
Articles: Aerospace
NASA Technology
Idaho is a nature-lover’s dream. Forests there blanket swaths of terrain, from the glassy lake regions of the northern Panhandle to the famous trout-fishing streams of the...
Briefs: Mechanical & Fluid Systems
Constraint Force Equation (CFE) Solver for Multi-Body Dynamics and its Implementation in POST2
Existing aerospace flight trajectory programs simulate the motion of aerospace vehicles by modeling external forces and moments acting on each body, but lack provisions for determining reaction forces and moments exerted by one body on another through a...
Briefs: Electronics & Computers
CMOS-Compatible Ohmic Contact RF MEMS Switch
Radio frequency (RF) microelectromechanical system (MEMS) switches have advantages over their solid-state counterparts. However, ohmic contact MEMS devices face several significant limitations, preventing entry into the mass market. These limitations are cost, reliability, packaging, and integration.
Briefs: Green Design & Manufacturing
The Adélie penguin has a circum-Antarctic distribution and is widely considered a useful indicator of status and change in the Antarctic and Southern Ocean ecosystems....
Briefs: Photonics/Optics
Ultrasound Competence Test Metrics
Diagnostic medical ultrasound requires psychomotor skill in image acquisition and cognitive skill in image interpretation. There is a lack of an objective, quantitative, and standardized method to assess psychomotor skill. In traditional radiology and cardiology training programs, physicians are certified based on...
Application Briefs: Photonics/Optics
Google's driverless car, like many autonomous vehicles in development, is packed with sensors, radars, lasers, and cameras. To lighten the load of sensing devices in self-driving autos,...
INSIDER: Electronics & Computers
In an effort to help solve one of the grand challenges of artificial intelligence, the University of Michigan and IBM have launched a $4.5 million collaboration to develop a new class of...
Briefs: Electronics & Computers
cFE/CFS Evolution for Multicore Platforms
This effort ports the Core Flight Executive (cFE)/Core Flight System (CFS) flight software architecture to multicore processor platforms, and provides mission developers with a common, flightready, flexible software environment that supports single, multi-processor, and multicore systems. Currently the...
Briefs: Sensors/Data Acquisition
Outlier Detection Via Estimating Clusters
The Outlier Detection Via Estimating Clusters (ODVEC) software provides an efficient method for real-time or offline analysis of multivariate sensor data for use in anomaly detection, fault detection, and system health monitoring. ODVEC uses models automatically derived from archived system data to identify...
Briefs: Medical
Functionalized Patterning of Tissue Engineering Substrates
Tissue engineering (TE) is an emerging field for tissue repair and regeneration compared to conventional techniques including autograft and allograft, through engineering functional implants created from living cells. TE is a highly interdisciplinary research area where material science,...
Briefs: Sensors/Data Acquisition
Sub-Audible Speech Recognition Based on Electromyographic (EMG) Signals
Sub-audible speech is a new form of human communication that uses tiny neural impulses (EMG signals) in the human vocal tract instead of audible sounds. These EMG signals arise from commands sent by the brain’s speech center to tongue and larynx muscles that enable production...
Briefs: Electronics & Computers
FPGA Reconfiguration with Accelerated Bitstream Relocation
Partial bitstream relocation (PBR) on field programmable gate arrays (FPGAs) is a technique to re-scale parallelism of accelerator architectures at run time and enhance fault tolerance. PBR techniques have focused on reading inactive bitstreams stored in memory, on-chip or off-chip, whose...
Briefs: Mechanical & Fluid Systems
Inspection of the International Space Station and other manmade objects in space is difficult because of the microgravity environment. Robots are a promising approach...
Briefs: Robotics, Automation & Control
NASA Tensegrity Robotics Toolkit (NTRT)
Tensegrity robots have many unique properties useful for robots intended to operate in natural settings, yet the exploration of how to build and control such robots is just beginning. Many of their positive qualities, such as multipath force distribution, compliance, and their oscillatory nature, also make...
Briefs: Aerospace
Flight Deck Predicted Weather Display and Decision Support Interface
This innovation is a suite of three methods built into a prototype flight deck navigation display interface that supports the display of predicted weather and weather avoidance decision-making. Currently, the interface uses weather objects derived from various convective weather...
Briefs: Aerospace
Timed Injection of Simulation Data via Redundant Network Ports in Time Triggered Ethernet (TTE) Systems
Vehicle-scale integration and test requires closed-loop simulation using full-scale avionics systems or even entire vehicles. Incorporation of simulation data into real systems is problematic because real system sensors report the real laboratory...
Briefs: Aerospace
Open Vehicle Sketch Pad
The conceptual aircraft designer is faced with a dilemma on how to strike the best balance between productivity and fidelity. Attempts have been made to use computer-aided design packages to fill this void, but their cost and steep learning curve have made them unwieldy at best. Open Vehicle Sketch Pad (OpenVSP.org) has been...
Briefs: Imaging
Spinal Ultrasound Just-in-Time Training Tool
Back pain and injury are recognized risks that can affect the well-being and performance of crewmembers during missions, as well as their long-term health. Spine elongation is a documented effect of microgravity, back pain is a common occurrence in early flight, and the post-flight incidence of spinal...
Briefs: Electronics & Computers
Modern avionics permit user interfaces on spacecraft to be performed on computer screens instead of with physical controls. This saves a great...
Briefs: Medical
Use of Osteoclast-Inhibiting Compounds to Prevent Radiation-Induced Bone Loss
This technology features a method for preventing or treating radiation-associated loss of bone mass, bone density, or bone strength in a subject. This technology involves administering to the subject an amount of anti-resorptive or osteoclast-inhibiting compound...
Briefs: Electronics & Computers
Time-Scaled Activity Diagram Simulator
The Time-Scaled Activity Diagram Simulator software simulates and animates time-tagged events as an overlay on activity and internal block diagrams in MagicDraw as a plugin application. “Events” are quite generic and include atomic actions, compound actions, signal and message exchanges, invocations, and...
Briefs: Software
General-Use Nodal Network Solver (GUNNS)
Crewed space vehicle training has always required highfidelity models of vehicle systems. Many of these systems, particularly of the “flow” variety, benefit from modeling the system as a whole, rather than relying only on the interactions between individual components. In general, system properties...
Briefs: Software
Modularized SIR-to-NetCDF Conversion Command-Line Tool
This innovation reads in a proprietary formatted binary data format known as Scatterometer Image Reconstruction (SIR), and converts these data files to netCDF-classic format. This software is provided as a command-line tool for Linux/UNIX-based systems, and includes built-in regression testing...
Briefs: Imaging
Stereoscopic Planar Laser-Induced Fluorescence Imaging for Time-Resolved 3D Movies in Hypersonic Flow
Understanding and predicting transition from laminar to turbulent flow in hypersonic boundary layers is an active and important field of research because transitional and turbulent heating can be four or more times higher than laminar heating on...
Articles: Imaging
Using a method known as ultrafast electron diffraction (UED), a scientific instrument at the Department of Energy’s SLAC National Accelerator...
Briefs: Electronics & Computers
Discovery Through Eigenbasis Modeling of Uninteresting Data
When presented with a new data set, a common initial goal is to explore its contents in a discovery mode to find items of interest. However, each user who views the data set may have a different scientific goal in mind, and therefore a different desired prioritization of the items for...
Briefs: Electronics & Computers
Obstacle Avoidance Methods
Obstacle avoidance is a difficult problem due to the non-convex state constraints. Therefore, the feasible state space needs to be convexified, or split, into convex regions at which point the search for an optimal solution among those convex regions is done. Methods for obstacle avoidance include two mixed integer linear...
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Webcasts
Webinars: Manufacturing & Prototyping
The Over-Engineering Trap: Aligning Custom Equipment Specs with Operational...
Webinars: Communications
Where Time and Frequency Converge: Multi-Channel RF Analysis for...
Webinars: Electronics & Computers
Driving Reliability: Simulation Driven EMI Techniques for Modern...
Editorial Webinars: AR/AI
Smarter Aerospace Manufacturing & Design with Digital Twins and...
Podcasts: AR/AI
How AI Acceleration Strategies Are Changing Embedded Computing Architectures

