Light Combat Tactical All-Terrain Vehicle

Oshkosh Defense, a division of Oshkosh Corporation, has unveiled its Light Combat Tactical All-Terrain Vehicle (L-ATV) utility variant for the Joint Light Tactical Vehicle (JLTV) program. The L-ATV...

Electromagnetic Simulation Accelerates Design of Microwave Amplifiers

An automated simulation-based design cycle has become a fundamental part of the success of one of today’s leading designers of traveling wave tube (TWT) microwave...

Modeling and Simulation Techniques for Unmanned Vehicle Systems

Unmanned Autonomous Vehicle (UAV) systems have become possible in recent history thanks primarily to the effects of Moore’s Law — the doubling of processing power every 18...

The Role of Engineering Simulation in the Evolution of Unmanned Aircraft Systems

Across all domains (land, sea, and air), the use of unmanned aircraft systems (UASs) has shown explosive growth and, as their value continues to be...

Managing Security in FPGA-Based Embedded Systems

Field-programmable gate arrays (FPGAs) combine the programmability of processors with the performance of custom hardware. As they become more common in critical embedded systems, new...

Miniature Snapshot Multispectral Imager

Multispectral imagers use an optical device that can separate the colors to obtain the spectral content in the scene. Such an optical device could be a grating or prism, a filter wheel, a diffractive...

Prototyping with Multi-Layer Boards

As electronic components continue to move increasingly into surface- mount packages exclusively, prototype manufacturing firms are seeing a shift in the fabrication and assembly work needed to implement...

Automating Radiation Effects Mitigation with FPGA Synthesis

FPGA designers of aerospace and defense applications have long wrestled with radiation effects. More recently, due to shrinking technology nodes, concerns have arisen about...

Fabrication of Transparent Carbon Nanotube Films for OLED Applications

The process to prepare single-wall carbon nanotube (SWCNT) solutions with a good degree of dispersion of individually isolated SWCNTs and very thin SWCNT bundles was...

Solution Deposition Methods for Carbon Nanotube Field-Effect Transistors

Extensive research has been done on carbon nanotube field-effect transistors (CNTFETs), which may revolutionize electronics. Single-walled carbon nano-tubes (SWNTs) act...

GigE Advanced Imaging Sensor

The Wide-Field Dynamic Range (WFDR) camera is a high-sensitivity, wide-field-of-regard sensor of importance to future military surveillance and survivability systems. It is intended to be used in harsh, noisy...

Channel Modeling for a Wireless Transmission System

A wireless transmission system provides high-quality video transmission over severely impaired wireless links between nodes that are connected within airborne networks. The target bit rate...

Analysis of On-Chip Heat Distribution in the Design of RF Power Detectors and Transistor Arrays

The simulation of electromagnetic (EM) and thermal properties of semiconductor and substrate materials has been demonstrated to be particularly...

Effects of Differing Carbon Nanotube Field-Effect Transistor Architectures

Understanding the differing methods and materials that can be used for producing carbon nanotube (CNT)- based electronic components means an informed use of materials...

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...

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...

Dimensional Stabilization of Composite Space Structures

A research project has yielded progress on several fronts toward the goal of minimizing thermal and aging distortions of composite-material (specifically, polymer-...

Application of CFD to a Slender-Bodied, Finned Projectile

In an application of computational fluid dynamics (CFD), flow fields about a slender-bodied finned projectile and the resulting aerodynamic forces and moments on the projectile were...

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)...

Dynamic Air Battle Planning

An air tasking order (ATO) implements air operations supporting the joint force commander's campaign by assigning aircraft and munitions to targets and specifying the timing and grouping of air missions....

Active Flow Control Demonstrated on “Airborne Wind Tunnel”

AFRL engineers, collaborating with aerospace manufacturers and other Air Force groups, recently demonstrated the first-ever airborne active flow control system when they...