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Briefs Aerospace
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...
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
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...
Articles Test & Measurement
Quality and Validation of Digital Designs for Aerospace and Defense
As aerospace and defense manufacturing becomes increasingly digitized—from the earliest design stages to the factory floor and beyond—data accuracy is fundamental to...
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
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...
INSIDER Aerospace
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 Test & Measurement
Researchers Test Minuteman III Intercontinental Ballistic Missile
As an unarmed Minuteman III intercontinental ballistic missile (ICBM) rocketed into the night sky, a team of Lawrence Livermore National Laboratory (LLNL) researchers...
Briefs Defense
Assessment of Non-Traditional Isotopic Ratios by Mass Spectrometry for Analysis of Nuclear Activities
The objective of this work is to identify isotopic ratios suitable for analysis via mass spectrometry that distinguish between commercial...
Briefs Test & Measurement
Coupling of Coastal Wave Transformation and Computational Fluid Dynamics Models for Seakeeping Analysis
This research focused on depth-integrated modeling of coastal wave and surf-zone processes in support of computational fluid dynamics (CFD) simulation of ship motions. There were two components of the project. The first was the development of a...
Briefs Test & Measurement
Vapor Pressure Data and Analysis for Selected Organophosphorous Compounds: DIBMP, DCMP, IMMP, IMPA, EMPA, and MPFA
Knowledge of the physical properties of materials is critical for understanding their behavior in the environment as well as in...
Briefs Test & Measurement
Combustion Characteristics of Hydrocarbon Droplets Induced by Photoignition of Aluminum Nanoparticles
In the study of combustion characteristics of liquid rocket fuels, it is customary to either study the combustion of liquid fuel droplets or...
Briefs Defense
Measuring Propellant Stress Relaxation Modulus Using Dynamic Mechanical Analyzer
Structural analysis of solid rocket motors is challenging for several reasons, but the most important of these is the complex behavior of the propellant. The...
Application Briefs Defense
NeXtRAD SDR Interface
Pentek, Inc.Upper Saddle River, NJ201-818-5900For more info click here NeXtRAD is a dual-band, dual-polarization, multistatic radar system under development at the University of Cape Town (UCT) in collaboration with...
News Test & Measurement
Senate Proposes Funding Days Ahead of OA-X Experiment
On June 28, 2017, days ahead of the July 2017 U.S. Air Force light attack aircraft experiment, the Senate Armed Services Committee passed a preliminary vote for a proposed annual defense...
Articles Test & Measurement
Modelling and Simulation Tools for Systems Integration on Aircraft
The provision of integrated modeling, simulation and optimization tools to effectively support all stages of aircraft design remains a critical challenge in the aerospace...
INSIDER Aerospace
AMRDEC Technologies to Improve Air and Missile Defense
Engineers at the U.S. Army Aviation and Missile Research, Development and Engineering Center (AMRDEC) are working on a trio of technologies to explore improving existing air and missile...
INSIDER Test & Measurement
Drop of Mock Nuclear Weapon Is First of New Flight Tests
From a distance, the drop of a mock nuclear weapon — containing only non-nuclear components — was a mere puff of dust rising from a dry lake bed at Nevada’s Tonopah Test Range....
INSIDER Test & Measurement
NASA Puts Dummies to the Test for Airplane Safety
Ten crash test dummies buckled into seats in a cut-out section of a regional jet fuselage will soon help NASA and the FAA develop new crashworthiness guidelines for future airplane designs....
INSIDER Test & Measurement
Sandia Labs Takes Modern Approach to Evaluating Nuclear Weapons
Sandia National Laboratories is transforming how it assesses nuclear weapons in a stockpile made up of weapons at different stages in their lifecycles — some systems that have...
Briefs Test & Measurement
Angular Random Walk Estimation of a Time-Domain Switching Micromachined Gyroscope
The primary metrics that prohibit the use of microelectromechanical systems (MEMS) gyroscopes for navigation-grade inertial navigation units (IMUs) are angle...
Articles Aerospace
Pulse Analysis Techniques for Radar and Electronic Warfare
Pulsed signals are widespread in radar and other electronic warfare (EW) applications, and they must be accurately measured for manufacturing, design of countermeasures, and threat...
INSIDER Aerospace
New Lab Helps Boeing Detect Aircraft Flaws
Researchers at Missouri University of Science and Technology and The Boeing Company established a new nondestructive evaluation (NDE) laboratory that uses millimeter-wave technology to improve the...
Articles Aerospace
Simulating and Analyzing Flow for an Air-to-Air Refueling System
Long-range bombers may have missions halfway around the world. Fighter jets may have to stay in the air longer than their relatively small fuel tanks will allow, or may find they...
Articles Communications
Using High Bandwidth Oscilloscopes to Analyze Radar and Electronic Warfare Systems
Whether for multi-channel analysis, or for wider analysis bandwidth in a measurement, high bandwidth oscilloscopes offer an alternative to traditional spectrum...
INSIDER Data Acquisition
Air Force Is Developing Mach 18 Wind Tunnel
The Arnold Engineering Development Center (AEDC) Hypervelocity Wind Tunnel 9 team is conducting tests in support of risk reduction for a new test capability that will be revolutionary for AEDC and...
INSIDER Sensors/Data Acquisition
Software Gives Bomb Techs X-Ray Vision
In the chaos that followed the terrorist attack at the 2013 Boston Marathon, bomb squads scanned packages at the scene for explosive devices. Two homemade pressure cooker bombs had killed three people...
INSIDER Lighting
NASA’s Pressure-Sensitive Paint Tests Aircraft Designs
NASA’s bright pink Pressure-Sensitive Paint (PSP) is helping to test new aircraft designs. A thin coat of PSP is sprayed onto the model that will be tested in the wind tunnel and...
Articles Test & Measurement
Combining Software and Hardware for Highly Specialized Multichannel Spectrum Monitoring
Systems specifically designed for spectrum monitoring applications typically acquire RF signals from a reference antenna or downlink, analyze the shape (or...
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Optimizing Production Processes with the Virtual Twin
