Stories
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Briefs: Electronics & Computers
Immediately following firing of the solid rocket booster (SRB) separation motors during STS-134 ascent, an unknown object resembling a headless bolt was captured by one...
Briefs: Information Technology
Whole Symbol Moments SNR Estimator Analysis and Implementation
A data-dependent algorithm was developed for estimating symbol signal-to-noise ratio (SNR) with a non-integral number of samples per symbol. The classical split symbol SNR estimator algorithm was adapted to incorporate the whole symbol by removing the data polarity.
Briefs: Information Technology
The communication between NASA space mission operations teams and their respective spacecraft in outer space is accomplished via the Deep...
Briefs: Information Technology
A spacecraft high-gain antenna (HGA) was designed with a sharp Vnotch in its far-field cross-pole pattern to determine the spacecraft...
Briefs: Information Technology
Quick Thrust Profile Design Analysis for Verifying Spacecraft Operational Capabilities
A paper describes a process for imposing safety constraints on a spacecraft trajectory design. The conventional process has the ACS (Attitude Control System) team define geometric constraints, then the NAV (Navigation) team produces a compliant thrust direction...
Briefs: Information Technology
Co-Optimized, Blunt-Body Re-entry Vehicle Design Process
A document describes a design optimization method for determining optimal shapes for vehicles with mid-range lift-to-drag ratios that are entering or re-entering planetary atmospheres. The design space includes consideration of hypersonic aerothermodynamic properties (for minimizing heating)...
Briefs: Information Technology
Numerical Evaluation of Near-Hypersingular Integrals
A document discusses a method for simple and efficient numerical integration (quadrature) of integrals characterized by a near-hypersingularity. Near-hypersingular integrals arise in gradients of Newton-type potentials when the fields at a desired observation point are close to the source. The...
Technologies: Energy
Steinbeis Centre for Technology Transfer India
Even with the best of intentions, governments can find it difficult to provide enough electricity to meet the load requirements of small...
Articles: Lighting
Best quality LED A-lamp light bulbs provide a superior, energy-efficient alternative to incandescent bulbs, which have essentially been banned as of January 1, 2014. LED bulbs offer the same amount of light as...
Articles: Lighting
In machine vision systems, acquiring images of moving targets is a challenge and consequently the best image requires three fundamentals to be well defined:
an excellent camera;
...
Application Briefs: Lighting
When the NRG power plant in El Segundo, Calif., was redesigned, two towers were demolished which caused extensive light from the plant to bother local neighbors. In an effort...
Application Briefs: Lighting
Imagina US is a pioneer production company in the U.S. Hispanic TV industry that has a newly built headquarters in Miami, Florida. Owners were seeking low-wattage outdoor...
Application Briefs: Lighting
Hughey & Phillips (H&P) designs and manufactures flashing and steady state anti-collision lighting used on above-ground obstructions like communication towers,...
Briefs: Lighting
The ultimate challenge in the race to miniaturize light emitting diodes (LED) has finally been met. A team led by the Institut de Physique et de Chimie des Matériaux de Strasbourg (IPCMS, CNRS/Université de...
Briefs: Lighting
A team of MIT researchers has used a novel material that’s just a few atoms thick to create devices that can harness or emit light. This proof-of-concept could lead to ultra-thin,...
Briefs: Lighting
Improving the Efficiency of Green-Blue-Ultraviolet Light-Emitting Diodes
Scientists at the U.S. Naval Research Laboratory (NRL) have suggested a method that could significantly increase the efficiency of green-blue-ultraviolet light-emitting diodes based on GaInN/GaN, AlGaN/GaN, and AlInN/GaN quantum wells. Their approach could enable advances in...
Research News: Lighting
Most modern electronics, from flat-screen TVs and smartphones to wearable technologies and computer monitors, use tiny light-emitting diodes, or LEDs. These LEDs are...
Research News: Lighting
Researchers at Fraunhofer Institute for Applied Solid State Physics IAF have found a way to make LED lamps even more compact while supplying more light than...
Research News: Lighting
University of California, San Diego electrical engineering professor Zhaowei Liu and colleagues have taken the first steps in a project to develop fast-blinking LED systems for...
Research News: Lighting
Researchers from the universities of Bonn and Regensburg have developed a novel type of organic light-emitting diode (OLED). These lights are suitable for the design of particularly energy-efficient...
Products: Lighting
ERNI (Richmond, VA) has developed a compact and economical wire-to-board interconnect solution with high current density in a small, 2.0mm pitch form factor. The iBridge™ single-row cable connector system delivers up...
Products: Lighting
Visual Communications Company (VCC) (Poway, CA) has introduced based LEDs designed to serve as drop-in replacements for outmoded T1-3/4 and T3-1/4 incandescent lamps. Available in a range of base designs, including wedge, bayonet,...
Products: Lighting
International Rectifier (El Segundo, CA) has introduced a control IC for magnetic ballasts used in fluorescent lamps. Available in a compact SO8 package, the IRS2538DS integrates a 600V half-bridge control circuit, bootstrap...
Products: Lighting
Everlight Electronics Co. Ltd. (Taipei, Taiwan) has expanded its high performance JU series of chip-on-board (COB) LEDs to include 7, 10 and 15 W types in addition to the existing 4W version. The JU series now consists...
Products: Lighting
SL Power Electronics (Ventura, CA) has introduced its new LE Series of LED drivers. Available in 10 models from 75 to 300 watts, the constant current LED drivers enable highly efficient LED lighting for applications that require...
Products: Lighting
The EPL-FL1524-LED-120X12- C1D2-50 hazardous area LED work light from Larson Electronics (Kemp, TX) provides operators with a far more durable and reliable high performance alternative to standard incandescent and...
News: Materials
Scientist Creates Three-Atom-Wide Nanowire
Junhao Lin, a Vanderbilt University Ph.D. student and visiting scientist at Oak Ridge National Laboratory (ORNL), has found a way to use a finely focused beam of electrons to create some of the smallest wires ever made. The flexible metallic wires are only three atoms wide: One thousandth the width of the...
News: Imaging
Over 24 hours from April 4 to 5, six top French design studios conceived and presented new product concepts for urban environments during the Small Spaces Design Hackathon, presented by Cut&Paste in partnership...
News: Automotive
In 2015, the Bloodhound SSC (Supersonic Car) will make high-speed test runs of up to 800 mph, with the full 1,000-mph attempt scheduled for 2016. Simulations have looked at how the car will...
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Webcasts
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SAE Automotive Engineering Podcast: Additive Manufacturing
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A New Approach to Manufacturing Machine Connectivity for the Air Force
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