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Briefs Electronics & Computers
Front-End Mixed-Signal Receiver on a Chip
A mixed-signal receiver on a chip (RoC) now undergoing development is intended to be a prototype of the front ends of lightweight, compact, low-power, relatively inexpensive heterodyne radio...
Articles Aerospace
WIN-T: The Warfighter's Communications Backbone for Today and Tomorrow
The battlefield of the future will integrate all elements into one networked force, enabling communication among soldiers and commanders on the land, at sea, in the air,...
Briefs Software
A Predictive Model for Cognitive Radio
A computational model that predicts effects of changing operational parameters of a cognitive radio has been developed as part of continuing research on cognitive / software - defined radio (C/SDR)...
Briefs Materials
Metamaterials for Advanced Microwave Antennas
A report discusses a research and development project that has made contributions to the art of metamaterials for directing electromagnetic radiation at frequencies of the order of several gigahertz. The next-generation metamaterials expected to emerge from this and related projects could enormously...
Articles Defense
Open-Standard Multicomputers Address Next-Generation Multi-Function Radar Applications
Next-generation radar applications will drive performance demands that will have architectural implications for radar computing and electronics. Advanced...
Briefs Photonics/Optics
Heterodyne RF/Optical Links Utilizing Integrated Photonics
A program of research and development has been directed toward the goals of demonstrating (1) ultra-low-noise communication links in which information is conveyed by phase-modulated...
Tech Transfer Reports Medical
Noise-Immune Stethoscope Benefits Wounded Soldiers
For injured soldiers requiring evacuation from a battlefield via helicopter, body sounds become valuable in managing the patient's condition. Since helicopters and fixedwing aircraft used...
Briefs Electronics & Computers
Microwave Sources Utilizing Linear Induction Accelerators
Progress has been reported in a continuing effort to develop pulsed, high-power microwave signal sources based on (1) oscillators in the form of relativistic magnetrons containing...
Briefs Electronics & Computers
Accomplishments of the Microwave Power Research Initiative
Research performed under the auspices of the Microwave Power Research Initiative (MiPRI) between May 1, 2005 and April 30, 2006 has been reported. [The MiPRI is a congressionally mandated Air Force program to advance the science of high-power electron- beam-driven microwave and...
Briefs Electronics & Computers
Microstrip Patch Antennas Containing Multi-PBG Structures
Microstrip patch antennas of a proposed type would contain photonic- bandgap (PBG) structures characterized by multiple bandgaps. In a given antenna, the PBG structure(s) could be one...
Briefs Electronics & Computers
Assembly of Nanowire-Based Computing Systems
A program to develop ultra-dense integrated digital data-processing systems and circuits based on nanowires involves utilization of hybrid top-down and bottom-up assembly techniques to implement designs representative of a highly reliable defect- and fault-tolerant architecture. This program has...
Briefs Electronics & Computers
Compensating for Parasitic Effects in Low-Pass Filters
Techniques to compensate for the effects of parasitic inductances and capacitances have been developed as part of an effort to improve the performances of low-pass filters in electronic...
Briefs Photonics/Optics
Fast Liquid-Crystal-on-Silicon Spatial Light Modulators
Stressed-liquid-crystal (SLC) light-modulating devices suitable for use as liquidcrystal- on-silicon (LCOS) spatial light modulators (SLMs) that could operate in nearand mid-infrared...
Briefs Photonics/Optics
Detecting Change in 3D by Use of an Evidence Grid
Astudy has been undertaken to evaluate a method of detecting change in a three-dimensional (3D) terrain map generated from data acquired by an imaging ladar system carried aboard a moving...
Briefs Materials
Accelerated Evaluation of Properties of Polyphase Alloys
A methodology for accelerated evaluation of mechanical properties of polyphase alloys is based on digital representations of the alloys. For a given alloy material system, this...
Briefs Materials
Plasma-Spray Coating as an Alternative to Chromium Plating
Plasma-spray application of coating materials that include tungsten carbide has been investigated as an alternative to electroplating of hard chromium onto internal metal surfaces...
Briefs Materials
Measuring Glucose Using pH-Sensitive Hydrogels
Sensors that exploit pH-sensitive hydrogels for measuring concentrations of glucose in aqueous solutions are undergoing development. Because the underlying chemical and physical principles are...
Briefs Mechanical & Fluid Systems
Thrust-Augmented Nozzles for Rocket Engines
The thrust-augmented nozzle (TAN) has been invented as a means of obtaining high performance from a rocket engine both during liftoff at sea-level atmospheric pressure and later during flight under...
Briefs Sensors/Data Acquisition
Thermal Design and Analysis of a Rocket-Engine TAN Injector
A subscale thrust-augmented-nozzle (TAN) rocket engine was designed, built, and hot-fire tested to demonstrate the validity of the TAN concept. As described in more detail in the...
Briefs Information Technology
Two-Processor Autopilot System for a UAV
A two-processor autopilot control system for an unmanned aerial vehicle (UAV) has been proposed and partly developed. Relative to prior such systems, this would be a lightweight, inexpensive autopilot...
Briefs Information Technology
Automatic Abstraction of Information From Digitized Images
A research effort now underway addresses fundamental mathematical issues involved in a methodology of creating flexible machine vision systems that would be able to modify their...
Tech Transfer Reports
Radar Anti-Jamming Technology Helps Shoot Down Cancer
Phased-array techniques are used to improve radar and communications systems by simultaneously nullifying and amplifying electromagnetic waves. With a focused heating regimen based on an adaptive phased array (APA) technique, a targeted microwave therapy is being tested to fight breast...
Tech Transfer Reports
Magnetic Sensors Enable Noninvasive Communication With Pacemakers
NVE Corporation of Eden Prairie, MN develops and sells devices using "spintronics," a nanotechnology that uses electron spin rather than electron charge to acquire, store, and transmit information. Spintronic products include sensors and couplers used in applications in industrial...
Products
Flywheel Power System
Pentadyne Power Corp., Chatsworth, CA, offers the VSS+DCadvanced DC flywheel power system that stores energy kinetically instead of chemically, providing stable DC voltage for applications where power continuity is...
Products
Data Storage Subsystem
Micro Memory®, Chatsworth, CA, has introduced Anvil™, a data storage subsystem for recording real-time sensor signals in intelligence and surveillance applications such as radar, signal intelligence,...
Products
Rugged Storage System
VMETRO, Houston, TX, offers the SANbric rugged storage system that enables commercial FibreChannel disks to be used for high-speed, streaming data recording applications in harsh environments such as military,...
Products
Airborne Data Acquisition System
The Heim Data division of Zodiac DataSystems, Belmar, NJ, has introduced the D7000 airborne data acquisition and recording system designed for a range of operational and flight test applications. The system...
Products
Ruggedized Keyboard
The SL-86-911 rugged keyboard from IKEY IndustrialPeripherals, Austin, TX, can be integrated into tactical maintenance and diagnostic military products, and into control panels of submarines, tanks, vehicles, and jets.The...
Products
Flight Data Analysis Software
The MathWorks, Natick, MA, has released Aerospace Toolbox, which provides reference standards, environmental models, support for importing aerodynamic coefficients, and three-dimensional visualization capabilities in MATLAB®. With a built-in interface to the FlightGear flight simulator, the new toolbox lets...
Products
Rugged Multi-Function I/O Card
Radstone Embedded Computing, Billerica, MA, has announced the rugged CompactPCI MFIO-C6 multi-function I/O card that addresses CompactPCI applications in military computing. The card features an MPC8270 PowerQUICC II processor, 8 analog inputs, 7 open collector 250mA outputs, 48 LVTTL I/O channels, 5 LVDS output...
Products Electronics & Computers
DC/DC Converter
The Electronics Group of Crane Aerospace & Electronics, Redmond, WA, has announced the Interpoint MPE series of DC/DC converters that accepts a 16 to 50 DVC input and provides single or dual outputs with up to 25 watts of...
Top Stories
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University of Rochester Lab Creates New 'Reddmatter' Superconductivity Material...
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MIT Report Finds US Lead in Advanced Computing is Almost Gone - Mobility...
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Airbus Starts Testing Autonomous Landing, Taxi Assistance on A350 DragonFly...
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Boeing to Develop Two New E-7 Variants for US Air Force - Mobility Engineering...
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PAC-3 Missile Successfully Intercepts Cruise Missile Target - Mobility...
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Air Force Pioneers the Future of Synthetic Jet Fuel - Mobility Engineering...
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