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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 optical...
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 device...
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 of...
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 Test & Measurement
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, this...
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 differentiation...
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 of...
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 an...
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 design...
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...
Application Briefs RF & Microwave Electronics
Ballistic Radomes for Communications Antennas
The Army Digitized Force requires a robust communications infrastructure for its superior IT/C4ISR (Information Technologies/Command, Control, Communications, Computers, Intelligence, Sur veil...
Briefs Medical
High-Resolution Anatomic and Elastographic Transrectal Ultrasound for Improved Diagnosis of Prostate Cancer
Prostate cancer screening generally uses the Pro state Spe cific Antigen (PSA) blood test, free-PSA testing, and Digital Rectal Exam...
Briefs Software
Medical Information Network Decision Support System
In order to facilitate a more rapid and systematic transfer of new medical knowledge and capabilities into mainstream clinical practice, a new Medical Information Network Decision Support (MINDS) system has been proposed. This system is intended to be a platform for storing and fusing medical data...
Briefs Physical Sciences
Characterizing Turbulent Wind Flow Near a Wind Barrier Using Sonic Anemometers
The Holloman High Speed Test Track (HHSTT) facility at Holloman Air Force Base (HAFB), NM, has a test section of 1.8 km that contains an artificial rain field...
Briefs Information Technology
Method for Detecting Planar Surfaces in Outdoor Urban Environments
The ability to detect and recognize buildings is important to a variety of vision applications operating in outdoor urban environments. These include landmark recognition,...
Briefs Materials
Multifunctional Properties of Structural Gel Electrolytes
Due to the demand for more advanced and lightweight systems, multifunctional composite structures that can function as electrochemical energy converters, while bearing mechanical load, are in development. This research involves a materials-based approach in which each component of the system...
Briefs Software
Multi-Agent Software for Airspace Control in the Combat Zone
AGENTFLY software is part of a computer-based system technology that will enhance airspace operation, providing ever-increasing support to personnel without freeing them from the ultimate responsibility. AGENTFLY features distributed coordination mechanisms based on collective...
Briefs Electronics & Computers
Dynamics of Epitaxy on Nano-Sized Semiconductor Surfaces
Semiconductor self-assembled quantum dots (QDs) have emerged as one of the simplest subjects for exploring and exploiting the physics and device applications of charge carriers and...
Briefs Electronics & Computers
Cooperative Single-Antenna Node Networks
Future tactical networks will be complex, with severe constraints on energy and bandwidth, operating in dynamic and unpredictable environments. By exploiting the broadcast nature of the wireless medium and spatially dispersed nodes, some of these advantages can be realized through cooperation among...
Briefs Physical Sciences
Frangible Polymer Circuit Acts as Tamper Sensor
Originally begun as an investigation to detect attempts to tap into an electrical cable, the emergence of modern encryption hardware rendered impractical attempts to protect communication media...
Articles Aerospace
Tactical Lab Trains Warfighters in Space Hardware and Software Control Tasks
A Training and Tactical ORS Operations (TATOO) Laboratory is being developed by Star Technologies Corp. under the direction of the Air Force Research Laboratory (AFRL)...
Articles Aerospace
Electrically Driven General Systems for UAVs
General systems are defined as all of the flight safety critical systems of an aircraft, excluding the engine and flight control computing. Usually, the main subsystems in a general system include...
Tech Transfer Reports Software
Web-Based Software Uses Patient Data to Diagnose Cancer
Physicians may soon be able to better prevent and more accurately diagnose breast cancer with the help of battlefield planning software designed for missile defense. Medical Information...
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