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Briefs Physical Sciences
Distributed Fiber Optic Sensing for Homeland Security
To address the need to protect our borders and critical infrastructure, fiber optic sensing technology developed for antisubmarine warfare applications has been adapted to homeland security...
Briefs Physical Sciences
Fatigue Crack Detection Via Load-Differential Guided Wave Methods
Guided waves (e.g., Lamb waves) have been considered for many structural health monitoring (SHM) applications because of their ability to travel long distances and maintain...
Briefs Physical Sciences
Fuzzy Fiber Sensors for Structural Composite Health Monitoring
The onset of local damage in structures, such as delamination, cracking, and fastener loosening, can often be difficult to detect and has long-term implications on the performance...
Briefs Sensors/Data Acquisition
Development of High-Resolution Eddy Current Imaging Using an Electromechanical Sensor
An oscillating current flowing through a coil produces an oscillating magnetic field. When an electrically conducting material like a metal is brought close...
Briefs Information Technology
Universal Sparse Modeling
Sparse data models, where data is assumed to be well represented as a linear combination of a few elements from a dictionary, have gained considerable attention in recent years, and their use has led to state-of-the-art results in many signal and image processing tasks. Sparse modeling calls for constructing a succinct...
Briefs Electronics & Computers
Using High-Level Language to Implement Floating-Point Calculations on FPGAs
The scientific community is interested in using field-programmable gate arrays (FPGAs) for scientific computations because they can be targeted for specific...
Briefs Electronics & Computers
Managing Security in FPGA-Based Embedded Systems
Field-programmable gate arrays (FPGAs) combine the programmability of processors with the performance of custom hardware. As they become more common in critical embedded systems, new techniques...
Briefs Electronics & Computers
CMOS-Memristor Hybrid Nanoelectronics
The memristor is the fourth fundamental passive electronic device in addition to the resistor, capacitor, and inductor. By integrating with complementary metal oxide semiconductor (CMOS) devices, memristors show promise for development of revolutionary new nanoelectronic computing architectures with...
Briefs Electronics & Computers
Dynamically Reconfigurable Software-Defined Radio for GNSS Applications
Historically, the military has used special- purpose Global Positioning System (GPS) radios for radio navigation. This has the disadvantage of locking users into fixed technology solutions designed to meet a fixed set of requirements. Software Defined Radios (SDR) have the...
Briefs Materials
Investigation of Basalt Woven Fabrics for Military Applications
Basalt rock is a black or gray fine-grained rock in the family of igneous rocks, formed by cooling of molten lava. It is commonly found in the Earth’s crust, is abundant...
Briefs Materials
Size Scale and Defect Engineered Nanostructures for Optimal Strength and Toughness
Realistic combinations of ceramics and/or semiconductors have been developed that simultaneously achieve high hardness (>40 GPa) and toughness (>400 MPa*m1/2). To achieve this goal, there were three primary objectives: (1) the development of physically base...
Briefs Physical Sciences
Computational Cameras
A computational camera uses a combination of optics and software to produce images that cannot be taken with traditional cameras. A variety of computational cameras has been demonstrated; some designed to achieve new...
Briefs Photonics/Optics
Miniature Snapshot Multispectral Imager
Multispectral imagers use an optical device that can separate the colors to obtain the spectral content in the scene. Such an optical device could be a grating or prism, a filter wheel, a diffractive...
Briefs Information Technology
Two-Way, Freeform, Speech-to-Speech Translation Systems for Tactical Use
The Spoken Language Communication and Translation System for Tactical Use (TRANSTAC) is developing and fielding freeform, two-way translation systems that enable speakers of different languages to communicate with one another in real-world tactical situations without an...
Briefs Information Technology
Web Service and Interface for Remote Electronic Device Characterization
A lightweight Web Service (WS) and a Web site interface have been developed that enable remote measurements of electronic devices as a “virtual laboratory.” Using...
Briefs Information Technology
Comparison of Subpixel Phase Correlation Methods for Image Registration
When working sequences of images, registration of the frames to a common point of reference is an essential prerequisite for many types of image analysis. The phase...
Briefs Materials
High-Temperature Silicon Carbide Power Module for Military Hybrid Electric Vehicles
The ever-increasing electrical power, power density, and cooling requirements of present and future military platforms are pushing silicon-based power...
Briefs Electronics & Computers
Prognostic Health Management for Avionics System Power Supplies
Electronic systems such as electronic controls, onboard computers, communications, navigation, and radar perform many critical functions onboard military and commercial aircraft....
Briefs Electronics & Computers
Energy-Scalable Protocols for Battery Operated Micro Sensor Networks
Networks of microsensors can greatly improve environment monitoring for many civil and military applications. Multiple sensors provide fault tolerance and can provide valuable...
Briefs Manufacturing & Prototyping
Fabrication of Carbon Nanotube Channels on Three- Dimensional Building Blocks
Single-wall carbon nanotubes (SWNTs) are the most attractive material in the fields of nanoscience and nanotechnology due to their chemical, physical, and electrical...
Briefs Imaging
Wide-Field Imaging System and Rapid Direction of Optical Zoom
A breadboard system has been developed for demonstrating nonmechanical zoom using flexible thin films. The project consists of three major task areas: material characterization,...
Briefs Mechanical & Fluid Systems
Reactive Structure and Smart Armor for Future Ground Vehicles
AReactive Structure Technology (RST) is a new class of smart structure that can react to external excitations (such as blast or ballistic impacts) in a carefully designed way using...
Briefs Sensors/Data Acquisition
Distributed, Collaborative Human- Robotic Networks for Search, Identify, and Track
A human-robotic system is under development that can map an unknown environment, as well as discover, track, and neutralize several static and dynamic objects of...
Briefs Manufacturing & Prototyping
Fabrication of Novel Transparent PMMA Composites for Optical Tagging
The emerging threats caused by improvised explosive devices (IEDs) have drastically increased concerns about soldier survivability. The ability to identify “friend vs....
Briefs Materials
Transparent Ceramics for High-Energy Laser Systems
When a high-energy laser (HEL) beam transmits through a window material, a part of the laser energy is absorbed by the material and causes optical aberrations. This absorbed energy results in...
Briefs Materials
Nonlinear Acoustic Metamaterials for Sound Attenuation Applications
An acoustic crystal composed of tightly packed spherical particles can exhibit a wide spectrum of acoustic properties with responses varying from linear to highly nonlinear...
Briefs Materials
Tunable Infrared Material System
The objective of this work was to lay the groundwork for the development of a new tunable II-VI infrared (IR) material system using mature III-V semiconductors as lattice-matched substrates. Mercury cadmium selenide (HgCdSe) was studied as an alternative to mercury cadmium telluride (HgCdTe) as an IRdetecting...
Briefs Software
Software System for Microbial Genome Sequence Annotation
The annotation of genomes from next-generation sequencing platforms needs to be rapid, high-throughput, and fully integrated and automated. Although a few Web-based annotation services have recently become available, they may not be the best solution for researchers that need to annotate a...
Briefs Electronics & Computers
Open Network Architecture for Army Vehicle Electronics
Army vehicle electronics networking is complex and challenging due to vendor-specific devices and interfaces. Military vehicles require 100% network uptime and security. The network must reduce vehicle clutter, focus on saving soldiers’ lives, and provide minimum latency. Battle requirements...
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Battery Abuse Testing: Pushing to Failure
Transportation
A FREE Two-Day Event Dedicated to Connected Mobility
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