Briefs: Physical Sciences
Spintronic Effects in Semiconductor Nanostructures

Progress has been made in calculation of spintronic effects in semiconductor nanostructures. The calculations contribute to the body of theoretical knowledge complementing recent experimental advances in generating, transporting, and detecting coherent spin-polarized populations of electron and...

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,...

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,...

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...

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
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...

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...

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,...

Next-generation radar applications will drive performance demands that will have architectural implications for radar computing and electronics. Advanced...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

Briefs: Information Technology
Two-Processor Autopilot System for a UAV

Atwo-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...

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...

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