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Briefs
Materials

Characterization of High-Temperature Polymer Thin Films for Power Conditioning Capacitors

Wide bandgap semiconductors (e.g., silicon carbide) will enable operation of military systems at temperatures above 150 °C, which eases thermal...

Briefs
Materials

RF Polymer Composites for Electromagnetic Systems

Design of polymer composites with specific engineered electromagnetic properties are of use in a variety of physical electromagnetic systems above 100 MHz. In physical electromagnetic systems such as GPS, radomes, WiFi, etc., proper choice of the material can be transformative in that it can...

Briefs
Materials

Modeling Defects in Transparent Ceramics to Improve Military Armor

The dominant materials solution used for ballistic transparency protection of armored tactical platforms in commercial and military applications is low-cost glass backed by...

Briefs
Materials

Validation of Hazardous Air Pollutant (HAP)-Free Torque Seal Inspection Lacquer

The Army uses numerous adhesives and sealants, among other coating materials, that contain significant amounts of hazardous air pollutants (HAPs). This work...

Briefs
Electronics & Computers

Wireless Network Cocast: Location-Aware Cooperative Communications with Linear Network Coding

In wireless networks, reducing aggregate transmit power and having even power distribution increase the network lifetime. The conventional direct transmission (DTX) scheme results in high aggregate transmit power and uneven power distribution. In...

Briefs
Electronics & Computers

High Assurance Virtualization Engine (HAVEN)

Virtualization technology has been around since the late 1960s. Initially, it was conceived to maximize utilization of expensive hardware by running multiple instances of an operating system (OS)...

Briefs
Electronics & Computers

Memory-Based, Structured, Application-Specific Integrated Circuit (ASIC)

For air, space, and ground-based systems, there is a clear need for high-performance, lightweight, low-power, highly reliable computing on data-intensive applications....

Briefs
Photonics/Optics

Solid-State, High-Energy Lasers Based on Rare-Earth Doped Gallium Nitride

Laser-based directed-energy weapons (DEW) are important components for future Army missile defense systems. The diode-pumped, rare-earth (RE)-doped, solid-state laser is a very promising path towards achieving a DEW-sufficient level of average power from a reasonably...

Briefs
Photonics/Optics

Analysis of Analog Photonic Links Employing Multiple-Channel (Arrayed) Receivers

Analog optical links are finding increased application in commercial and military systems ranging from radio-over-fiber applications, antenna remoting, and...

Briefs
Photonics/Optics

Photonic Recirculating Delay Line for Analog-to-Digital Conversion

Aconventional analog fiber-optic link can be augmented with a recirculating optical delay loop so as to realize an optically assisted analogto- digital converter (ADC) that...

Briefs
Photonics/Optics

Design and Development of a Package for a Diluted Waveguide Electro-Absorption Modulator

Externally coupled electroabsorption modulators (EAMs) are commonly used in order to transmit RF signals on optical fibers. Recently, an alternative...

Briefs
Mechanical & Fluid Systems

Developing Fleets of Autonomous Underwater Vehicles

Autonomous underwater vehicles (AUVs) have a demonstrated capability to collect valuable data for scientific and military purposes. Historically, individual vehicles have been used. To reduce the overall time and cost of acquiring data over large areas, multiple vehicles must be used. A fleet...

Briefs
Mechanical & Fluid Systems

Stability Analysis of Distributed Engine Control Systems

Full Authority Digital Engine Control (FADEC), based on a centralized architecture framework, is being widely used for gas turbine engine control. However, current FADEC is not able to...

Briefs
Information Technology

Optimized Robust Adaptive Networks in Supervisory Control and Data Acquisition Systems

The Electric Power and Communica - tion Synchronizing Simulator (EPOCHS) system could provide great benefits to private industry and Department of Defense (DoD) power systems infrastructure by allowing simultaneous, synchronous simulation of communication and...

Briefs
Information Technology

Evolvable Approaches to Software Verification and Validation

Research was conducted to integrate and advance current techniques in compilers, hardware architectures, and security to develop novel techniques to protect against physical attacks on encrypted embedded systems. The innovation in the approach was in exploiting the power of integrated...

Articles
Aerospace

Fiber Interferometry for Testing Military Avionics

Fiber-optic networks have benefited from nearly 20 years of continuous expansion (notwithstanding the brief, yet surprisingly quiet period from 2002 to 2005). For terrestrial networking,...

Articles
Aerospace

Evaluating the FPGA Selection Process in Military System Design

As technologies such as digital signal processors (DSPs), field programmable gate arrays (FPGAs), and general-purpose processors (GPPs) advance, product and feature...

Tech Transfer Reports
Photonics/Optics

Commercial Spinoffs from Military R&D Programs

A near-infrared (NIR) detector with single-photon sensitivity can be used to improve many applications, from better eye-safe lasers to speeding up tomorrow’s optical computers.

Products
Data Acquisition

Mobile Data Acquisition Recorder

LMS International (Troy, MI) has introduced the SCADAS Durability Recorder designed for rugged data acquisition in extreme conditions. It is resistant to water, dust, dirt, shock, vibration, and jolts, and...

Products
Electronics & Computers

Embedded Computer

Diamond Systems Corp. (Mountain View, CA) has introduced Pluto, a compact board-level embedded computer based on the Intel Atom processor and featuring modular PC/104-Plus expansion. The PLT-N270-1G is the first in a series...

Products
Electronics & Computers

Rugged Keyboard

Advanced Input Systems (Coeur d’Alene, ID) offers the Grizzly Xtreme rugged keyboard for harsh environments. It is suited for use with gloved hands and light-pressure typing, and consists of an elastomer keypad encased in...

Products
Electronics & Computers

Radiation-Hardened ASICs

Aeroflex (Colorado Springs, CO) offers the UT130nHBD digital application-specific integrated circuits (ASICs) that are radiationhardened from 100 krad to 300 krad(Si) total ionizing dose (TID), with up to 15,000,000...

Products
Electronics & Computers

Power Film Resistors

The MPM20 Metal Tab TO-220 power film resistors from Caddock Electronics (Roseburg, OR) feature a standard lead finish of solderable thin gold for applications that require pure tin-free components. A non-inductive...

Products
Electronics & Computers

Hermetically Sealed Circuit Boards

Douglas Electrical Components (Randolph, NJ) hermetically seals circuit boards, including flex, rigid, and hybrid circuits for high-volume applications with space or weight constraints such as military and...