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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 Test & Measurement
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 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...
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...
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...
Technology Report Green Design & Manufacturing
PEMS Takes a Bigger Testing Role in U.S., Europe
A recently launched North American database provides online users with vehicle-to-vehicle comparisons of greenhouse gas emissions and real-world fuel economy.
Briefs Materials
Hydrodynamic Drag Force Measurement of a Functionalized Surface Exhibiting Superhydrophobic Properties
With superhydrophobic properties being extended to a variety of metallic substrates through the process of ablation due to femto-second...
Briefs Photonics/Optics
High-Power Broadband Multispectral Source on a Hybrid Silicon Chip
For applications in manufacturing, remote sensing, medicine, military, and fundamental science, an ideal laser would have high output power and a diffraction-limited beam. The...
Briefs Photonics/Optics
Stimulated Brillouin Scattering (SBS) Suppression and Long Delivery Fibers at the Multikilowatt Level with Chirped Seed Lasers
One obstacle in the scaling of high-power fiber lasers arises because of nonlinear effects (e.g., stimulated...
Briefs Materials
Erbium Doped GaN Lasers by Optical Pumping
The main objective of this research was to construct an optical pump system that would allow the study of Er:GaN materials under 980 nm resonant excitation to be carried out. The results obtained from...
Briefs Photonics/Optics
New Class of Excimer-Pumped Atomic Lasers (XPALS)
The focus of this research program was the investigation of XPAL properties, and new pumping schemes, as well as modeling, and measuring critical photoionization and excited state-excited state...
Technology Report Mechanical & Fluid Systems
Venturi Effect Powers Dayco's New Brake-Assist System
A unique twist on a basics physics principle provides a fuel efficiency boost to more than 188,000 full-size pickup trucks fitted with the innovative brake-assist technology, known as...
Technology Report Electronics & Computers
U.S. Dept. of Transportation Issues New Autonomous-Vehicle Guidelines
It’s only a suggestion, the U.S. Dept. of Transportation and its National Highway Traffic Safety Admin. said, but it’s what the auto and tech industries have been...
News Electronics & Computers
Continental Unveils New 3D Display Cluster
Continental is developing its innovative 3D instrument display cluster with the aim of bringing it to production within the next 24-36 months. The display, previewed by Automotive Engineering at a...
Technology Report RF & Microwave Electronics
Digitalization Extends Simulation into Factories
The role of digital data is expanding rapidly, extending to the equipment on the factory floor after coming into dominance in the design of everything from components to end vehicles....
Technology Report Materials
Federal-Mogul Reveals Cool Solutions for Downsized Engines
At the 2017 IAA motor show in Frankfurt, Federal-Mogul Powertrain plans to reveal advances aimed at cooling the valves of downsized boosted engines via significant heat transfer....
Briefs Aerospace
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 Defense
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 Defense
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 Test & Measurement
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...
News Electronics & Computers
U of M-Dearborn Students Engineer New Autonomous Shuttle System
Evolving to stay relevant in the fast-changing Engineering world is a challenge faced by every institution of higher learning. In 2013, educators at the University of...
Technology Report Electronics & Computers
Reconfigurable Chip Usage Ramps up as ADAS Advances
Reconfigurable processors have seen growing use in rapidly-changing infotainment systems and are expanding into advanced driver assistance systems (ADAS). The role of field-programmable...
News Automotive
Repaired Carbon-Fiber Frame Can Be Stronger Than Original Structure
The American Chemistry Council (ACC) and researchers at Michigan State University (MSU) have demonstrated a new “reversible” adhesive for multi-material joining that...
Technology Report
Tenneco Readies New Semi-Active Digital Suspension for 2020
One enduring challenge of work-truck engineering is how to make the vehicles ride and drive comfortably when unloaded without diminishing their vital hauling and towing...
Technology Report Electronics & Computers
Developing High-Energy-Density Batteries for EVs
It’s been a long road for Nissan from its 1947 Tama EV to its advanced prototype ZEV BladeGlider sports car, but that road still stretches to—and far beyond—the technology horizon, as...
Technology Report Green Design & Manufacturing
New 90-Degree Turbo V6 Leads Audi's Hybridization Blitz
Audi’s all-new 3.0-L turbocharged gasoline V6, rated at 354 hp and 369 lb·ft (264 kW and 500 N·m, respectively) debuted recently in the 2018 SQ5 crossover. The V6 is the first...
News Automotive
Audi Details New A8 Active Suspension
Audi recently unveiled its all-new A8 flagship which now features a fully active, electromechanical suspension system. A front camera detects road irregularities and signals a predictive adjustment of...
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Aerospace
Cooling a New Generation of Aerospace and Defense Embedded...
Automotive
Battery Abuse Testing: Pushing to Failure
Transportation
A FREE Two-Day Event Dedicated to Connected Mobility
Unmanned Systems
Quiet, Please: NVH Improvement Opportunities in the Early Design Cycle
Transportation
Advantages of Smart Power Distribution Unit Design for Automotive &...
Energy
Sesame Solar's Nanogrid Tech Promises Major Gains in Drone Endurance