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Briefs Electronics & Computers
Sensitivity Simulation of Compressed Sensing Based Electronic Warfare Receiver Using Orthogonal Matching Pursuit Algorithm
Electronic Intelligence Receiver (ELINT) is an important component in electronic warfare (EW) and layer sensing. The...
Briefs Test & Measurement
The Impact of Video Compression on Remote Cardiac Pulse Measurement Using Imaging Photoplethysmography
Remote measurement of physiological signals has a number of advantages over traditional contact methods. It allows the measurement of vital...
Briefs Aerospace
Subjective Mapping of Dust-Emission Sources by Using MODIS Imagery
Dust storms (5 to 100 km across) often originate from multiple dust-emission sources (1 to 10 km across). Remote-sensing-based dust-source identification is a challenge. A...
Briefs Aerospace
Custom Data Logger for Real-Time Remote Field Data Collections
The U.S. Army Corps of Engineers (USACE), CHL, FRF, had a need for a remote real-time data collection system to control instruments and log and communicate data from five observing...
Briefs Aerospace
Initial Validation of Ballistic Shock Accelerometers
Method 522.2 of MIL-STD-810G CN1 defines ballistic shock as “a high-level shock that generally results from the impact of projectiles or ordnance on armored combat vehicles”. Typical...
Articles Aerospace
Test System Ensures Flawless Performance of Military RF Devices
Communication on the battlefield is a life-or-death matter. You can't take chances with RF devices or power units malfunctioning or failing. A soldier's life may depend on how...
Briefs Test & Measurement
Topology Control in Aerial Multi-Beam Directional Networks
In multi-beam directional networks, nodes are able to simultaneously transmit to all neighbors or receive from all neighbors. This spatial reuse allows for high throughputs, but in dense networks can cause significant interference. Topology control (i.e., selecting a subset of neighbors to...
INSIDER Aerospace
Strong and Stretchable “Super Steel”
In aerospace applications of materials, increasing strength often leads to a decrease in ductility. Engineers have developed a Super Steel that addresses this strength-ductility tradeoff. In addition...
INSIDER Aerospace
Air Traffic Management Tool Wins NASA Software of the Year
When planes get caught in traffic, pilots have to keep flying until the backup clears and their runways become available for landing. This means that air traffic controllers must...
INSIDER Test & Measurement
Green Aerospace Test Uses No Explosives
Sandia National Laboratories has successfully demonstrated a new, more environmentally friendly method to test a rocket part to ensure its avionics can withstand the shock from stage separation during...
INSIDER Electronics & Computers
Researchers Print the Unprintable: Kapton
Kapton, a material used in electronics and aerospace applications, has only been available in sheet form. Researchers from Virginia Tech have found a way to 3D-print a polymer with Kapton's structural...
INSIDER Aerospace
NASA and Industry Take Next Step Toward X-Plane
Four companies were awarded contracts to come up with five configurations on paper that met very specific operational criteria for NASA’s next commercial X-plane aircraft.
Articles Aerospace
Radiation Tolerant “Smart Backplanes” for Spacecraft Avionics
In recent years there has been a trend towards the wider use of COTS (Commercial Off The Shelf) equipment in space missions. This trend has been mainly driven by the...
Articles Aerospace
On-Orbit Satellite Refueling Flow Measurement
Over 7000 satellites have been placed in Earth-orbit since the beginning of the space age. 3000 are currently in orbit, of which 1000 are active, making our near space neighborhood a pretty crowded...
Products Aerospace
New Products
Measurement Software Hexagon Manufacturing Intelligence (North Kingstown, RI) has launched PC-DMIS 2017 R2, the latest edition of their popular measurement software. This is the second of two major releases scheduled for PC-DMIS...
Articles Aerospace
Eliminating Electrical Arcing in Satellite Systems
In 1995, Boeing Satellite Systems introduced a new family of communication satellite buses, with bodies that contain power, control, and propulsion systems. They used a high-voltage bus...
Articles Aerospace
Developing an Airborne Optical Systems Testbed (AOSTB)
The United States shares 5,525 miles of land border with Canada, and 1,989 miles with Mexico. Monitoring these borders, which is the responsibility of U.S. Customs and Border Protection...
Articles RF & Microwave Electronics
NASA Miniaturizes Century-Old Radio Sounder Technology
A century-old technology that scientists use to probe the ionosphere — the important atmospheric layer that can interfere with the transmission of radio waves — is getting smaller.
Articles Aerospace
Using Heat Pipes to Cool Embedded Computers
Heat pipes are a well-known thermal management solution used in computing applications. Nearly all laptop computers contain some number of heat pipes to effectively remove heat from heat generating...
Articles Aerospace
Electronically Dimmable Aircraft Windows
That was the challenge posed to Gentex by Boeing. Window shades typically do the job on an airplane, but they’re cumbersome to operate, expensive to maintain, and do little to reflect the hightech...
INSIDER Materials
Optical Method Detects Weak Spots in Jet Engine Coatings
Researchers have demonstrated, for the first time, that an optical analysis method can reveal weak areas in ceramic thermal barrier coatings that protect jet engine turbines from high...
INSIDER Unmanned Systems
NASA Tests Could Lead to FAA Integration of UAVs
NASA’s Unmanned Aircraft Systems Integration in the National Airspace System, or UAS in the NAS, project is attracting international attention as increasingly complex flight tests take...
News Defense
Irkut's MC-21 Takes First Flight, Thanks to a Global Team
Eaton recently announced that it helped power the successful first flight of MC-21 commercial single-aisle twinjet airliner. The MC-21 was developed by the Yakovlev Design Bureau and...
INSIDER Aerospace
Airborne Sense-and-Avoid Radar for UAVs
Widespread use of unmanned aerial vehicles (UAVs) within the National Airspace System is limited because of regulatory restrictions on their access to shared airspace. The Airborne Sense and Avoid...
INSIDER Transportation
Rising Temps Could Limit Aircraft Takeoffs
Rising temperatures due to global warming will make it harder for many aircraft around the world to take off in coming decades, says a new study by Columbia University. As air warms, it spreads out,...
Articles Aerospace
Using System Simulation to Manage Increasing Thermal Loads on Aircraft Fuel Systems
Today’s modern military fighter jets are like “a flying thermos bottle” according to Steve Iden, AFRL Invent Program Manager [1]. Many engineers have been...
Articles Data Acquisition
Ensuring the Compliance of Avionics Software with DO-178C
Given the needs to meet the most stringent requirements for reliability, safety, and security resulting in lengthy software development schedules, aerospace and defense projects have...
Articles Defense
Microwave Photonic Notch Filter
Interference mitigation is crucial in modern radio frequency (RF) communications systems with dynamically changing operating frequencies, such as cognitive radios, modern military radar, and electronic warfare...
Articles Defense
The Rapid Rise of Beryllium-Aluminum Alloys in Aerospace
Enhanced performance operating envelopes for aerospace platforms continue to challenge industry limits. Aerospace platform operators demand extreme performance in harsh environments from...
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INSIDERDefense
New Raytheon and Lockheed Martin Agreements Expand Missile Defense Production
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Ford Announces 48-Volt Architecture for Future Electric Truck
INSIDERManufacturing & Prototyping
Active Strake System Cuts Cruise Drag, Boosts Flight Efficiency
ArticlesTransportation
Accelerating Down the Road to Autonomy
INSIDERMaterials
How Airbus is Using w-DED to 3D Print Larger Titanium Airplane Parts
Road ReadyTransportation
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Electronics & Computers
Cooling a New Generation of Aerospace and Defense Embedded...
Power
Battery Abuse Testing: Pushing to Failure
Connectivity
A FREE Two-Day Event Dedicated to Connected Mobility
Automotive
Quiet, Please: NVH Improvement Opportunities in the Early Design Cycle
Transportation
Advantages of Smart Power Distribution Unit Design for Automotive &...
Aerospace
Sesame Solar's Nanogrid Tech Promises Major Gains in Drone Endurance