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Articles Aerospace
New Tools Bring Faster, Simpler Fluid Flow Analysis Into the Engineering Mainstream
Fluid flow is a critical part of defense and aerospace design, whether the product is a rocket’s fuel valve or a tank’s turret-mounted electronics pod....
Articles Aerospace
Advances in High-Frequency PCB Materials
Traditionally, RF/microwave printed circuit board applications were developed based on the needs that came out of the military market. Applications like radar and guidance systems were operating at...
Articles Aerospace
Specifying Components for Space Applications
Recently, NASA renewed a decades-old request for grant proposals that call for “faster, better, cheaper” projects. The ultimate agenda is to expedite developments in aerospace capabilities while...
Articles RF & Microwave Electronics
Passive Devices Designed to Improve Signal-to-Noise Ratios in Defense Electronics
While power architectures of defense electronics are extremely diverse, all have common operational demands: they must be robust (shock, vibration, temperature...
Articles RF & Microwave Electronics
Reliable EMI Shielding Materials and RF Cable Assemblies Ensure High Performance for Handheld Test Instruments
While high-performance test equipment has been used successfully in the laboratory for many years, the trend is moving toward remote...
Articles Aerospace
Integrating Formal Methods into Software Toolsets for Avionics Certification
Current practice in certification of avionics systems (e.g. DO-178B1) is centered on testing. The testing process has been prescribed to incorporate a semi-formal...
Articles Aerospace
UAV Airframes and Missions Drive Embedded Computing Choices
Every branch of the armed forces has a need for capabilities delivered from unmanned aerial vehicle/ unmanned aerial system (UAV/UAS) platforms. These unmanned vehicles have proved...
Articles Propulsion
Alternative Energy and Propulsion Power for Today's U.S. Military
The U.S. military has the most sophisticated weapons systems in the world, but they are fueled and mechanically powered by old technologies. Given the mission of the U.S....
Articles RF & Microwave Electronics
Choosing Your RF Design Environment Flow
You can’t build a house without blueprints. So why do so many RF design flows try to build a board without a schematic? Most often, this crude process comes about due to lack of availability of RF...
Articles Photonics/Optics
CAT Scanner Provides 3D View Inside Nuclear Weapon Components
The Department of Energy’s (DoE) National Nuclear Security Administration (NNSA) is pursuing a smaller, safer, more secure, and less expensive nuclear weapons complex. Meeting that...
Articles Sensors/Data Acquisition
Shortwave Infrared Sensors: A New Way to See
Compact, lightweight, and uncooled imaging sensors are fueling a revolution in intelligence, surveillance, and reconnaissance (ISR). They are the key enablers for a powerful new breed of...
Articles Aerospace
Designing the Next Generation of Military Robots
Many recent blockbuster films and best-selling books depict the robotic apocalypse and have shed a negative light on military robotics. However, not all unmanned system development is aimed...
Articles Aerospace
Improved Interference Rejection Using Multi-Static Radar Signal Processing
In multi-static radar (MSR), the transmit/ receive aperture is divided into a number of sub-apertures that can be placed in various locations relative to each other....
Articles Aerospace
USB-to-Synchronous Cable Enables IP Data Communications for Tactical Radios
Warfighters can benefit greatly from having radio IP-based data communications at the theater level. Unfortunately, the vast majority of the 750,000 tactical radio...
Articles Aerospace
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 differentiation...
Articles Test & Measurement
Fiber Interferometry for Testing Military Avionics
Fiber-optic networks have benefited from nearly 20 years of continuous expansion (notwithstanding the brief, yet surprisingly quiet period from 2002 to 2005). For terrestrial networking, this...
Articles Aerospace
Demodulating Over-the-Air Communications
Today, modern radio designs have made a predominant shift to the software-defined radio architecture. From cellular handsets to military communications devices, the flexibility to use multiple wireless...
Articles Aerospace
Tactical Lab Trains Warfighters in Space Hardware and Software Control Tasks
A Training and Tactical ORS Operations (TATOO) Laboratory is being developed by Star Technologies Corp. under the direction of the Air Force Research Laboratory (AFRL)...
Articles Aerospace
Electrically Driven General Systems for UAVs
General systems are defined as all of the flight safety critical systems of an aircraft, excluding the engine and flight control computing. Usually, the main subsystems in a general system include...
Articles Aerospace
Middleware Offers Integration Framework for Dynamic UAV Applications
Unmanned Aerial Vehicles (UAVs) like the MQ-1 Predator have excelled in the theaters of war in which they have been deployed. However, the ability of those controlling the UAV...
Articles Aerospace
Interaction Methods for Virtual Reality Applications
The potential of Virtual Reality (VR) technology has not been fully realized because the user interfaces are not designed to effectively support the user. One of the most critical interface...
Articles Data Acquisition
2D Laser Profiling Scanner for Detecting Targets
The Radiometric Sensor Development and Applications Team of the Sensors and Electron Devices Directorate (SEDD) at the U.S. Army Research Laboratory (ARL) has developed a 2D laser profiling...
Articles Aerospace
Active Thermal Management for Cooler Body Armor
The military places greater demands on its equipment — electronic and otherwise — than any other market segment. It is also true that it places its greatest thermal demands on the men and...
Articles Sensors/Data Acquisition
Weapon and Armor System Power in Future Combat Vehicles
Future combat vehicles will require unconventional weapons and armor systems such as electromagnetic (EM) or electrothermal chemical (ETC) guns, electromagnetic (EM) armor, and directed-...
Articles Aerospace
Detecting Improvised Explosive Devices in Urban Areas
Improvised explosive devices (IEDs) are rudimentary bombs that generally consist of commonly found non-military materials. Although common IED threats include roadside bombs, suicide bombers...
Articles Aerospace
Today’s Gigabit Ethernet Modules: Realizing the Netcentric Vision
To realize the Depart ment of Defense's (DoD) vision of a ubiquitous, netcentric battlefield — connecting the warfighter with critical data in real time — embedded...
Articles Aerospace
The Future of Space Propulsion
Significant challenges and advances in space propulsion have occurred over the past ten years. The end of the Cold War had significant impacts, both positive and negative. Operational systems now have to operate...
Articles Electronics & Computers
Data-Based Paradigm for Rapid Development of Advanced Avionics Displays
The database concepts, tools, and runtime software described in this article provide a methodology for creating advanced avionics human-machine interfaces (HMIs), such as...
Articles Weapons Systems
The Ballistic Missile Defense System: An Integrated Approach to Global Defense
Although the end of the Cold War signaled a reduction in the likelihood of global nuclear conflict, the threat from ballistic missiles has grown steadily as...
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