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: 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...

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...

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,...

Articles: Aerospace

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: 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...

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: 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...

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

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

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...

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...

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...

Briefs: Information Technology

Data Fusion for Space Situational Awareness

Satellites greatly enhance US defense operations; however, these key assets are vulnerable to perils such as space weather and acts of aggression. Unfortunately, it is difficult to determine the...

Briefs: Mechanical & Fluid Systems

Near-Precision Soft Landing Resupply Dispenser

AFRL munitions experts teamed with engineers from Systima Technologies, Inc., under a Small Business Innovation Research (SBIR) contract to develop a Covert Resupply (COVRES) dispenser. The team...

Briefs: Mechanical & Fluid Systems

Blended Wing Body Aircraft

Scientists from Boeing Phantom Works, the National Aeronautics and Space Administration (NASA), and AFRL are testing a new aircraft with the potential to realize up to 30% better fuel efficiency because of its...

Briefs: Mechanical & Fluid Systems

Improved Accuracy of Computational Fluid Dynamics Calculations

Understanding how air flows over the surfaces of an air vehicle can help AFRL designers maximize the vehicle's performance and minimize its cost. AFRL scientists recently...