Keyword: Optimization

Application Briefs: Defense

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...

Articles: RF & Microwave Electronics

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...

Articles: Unmanned 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...

Articles: Aerospace

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...

Briefs: Mechanical & Fluid Systems
Thermal Analysis and Microhardness Mapping in Hybrid Laser Welds in a Structural Steel

The concept of combining a laser welding system with a conventional arc welding system (GTAW) was first proposed in order to improve the stability of the laser welding system and to allow greater flexibility in part fit-up. Prior research stated that using a...

Briefs: Electronics & Computers

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...

Briefs: Photonics/Optics

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...

Articles: Aerospace

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...

Articles: Aerospace

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

Briefs: Manufacturing & Prototyping

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...

Briefs: Manufacturing & Prototyping

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

Briefs: Sensors/Data Acquisition

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...

Briefs: Information Technology

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...

Application Briefs: Defense

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

Briefs: Electronics & Computers

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

Articles: Aerospace

As technologies such as digital signal processors (DSPs), field programmable gate arrays (FPGAs), and general-purpose processors (GPPs) advance, product and feature...

Briefs: Photonics/Optics

Externally coupled electroabsorption modulators (EAMs) are commonly used in order to transmit RF signals on optical fibers. Recently, an alternative...

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: Materials

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

Briefs: Information Technology

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...

Briefs: Software

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: 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: Software

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....

Briefs: Mechanical & Fluid Systems

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

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