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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...

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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
Software

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...

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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...

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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...

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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...

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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...

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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....

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Briefs
Sensors/Data Acquisition

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...

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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...

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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,...

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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...

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Briefs
Photonics/Optics

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...

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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....

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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...

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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...

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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...

Briefs
Electronics & Computers

Trustworthy Hardware for 3D Circuit-Level Integration

Three-dimensional (3D) integration is a promising technology for designing high-performance, low-power systems by stacking multiple integrated circuit dies and connecting them at the circuit level with conductive posts. Most current efforts are at the electromechanical level of getting 3D to...

Briefs
Medical

Precision Targeting with a Tracking Adaptive Optics Scanning Laser Ophthalmoscope

Adaptive optics (AO) has become increasingly utilized in research ophthalmic diagnostic instruments since their first use nearly ten years ago. Integration of...

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Briefs
Information Technology

Evolutionary Data Mining Approach to Creating Digital Logic

When required to reverse-engineer a product, engineers often do not have design specifications for the system, and the machine may not be disassembled or invasively examined. The...

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Briefs
Sensors/Data Acquisition

Acoustic Detection Using Reverberation

Acoustic detection of undersea objects is difficult due to the uncertain environment and even more difficult when the objects are buried in the seabed. First, sediments generate high backscattering noise due to heterogeneous scatters within the sediments, clouding the object.

Briefs
Physical Sciences

Multifunctional Vehicle Structural Health Monitoring with Piezoelectric Wafer Active Sensors

A novel structural health monitoring (SHM) concept of embedded nondestructive evaluation with piezoelectric wafer active sensors (PWAS) has been...

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Briefs
Information Technology

Data Fusion of Geographically Dispersed Information for Test and Evaluation

Test and evaluation relies on computer collection and manipulation of data from a myriad of sensors and sources. More computing power allows for increases in the breadth and depth of the information collected. The same computing power must assist in identifying, ordering,...

Briefs
Mechanical & Fluid Systems

Microelectromechanical System (MEMS) Switch Test

Analyzing microelectromechanical system (MEMS) switch behavior is a new field of study that guides the production of MEMS switches. One issue of primary importance is the degradation of contact...

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Briefs
Software

Test and Evaluation Uses of Heterogeneous Computing

T est and evaluation of current systems is a time-consuming process that reflects both the intricacies of the object of the test and the range of equipment, personnel, and environments required. Many argue that this process consumes far too much of the time that it takes to put new systems into...

Briefs
Test & Measurement

Process for Testing Aeromedical Equipment

Medical devices are designed to function in environmentally controlled locations, such as stationary hospitals, and not within the harsh, dynamic aircraft environment. Yet, the same medical devices used...

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