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Articles RF & Microwave Electronics
Ultra-Wide-Band Radar Imaging for Activity Detection
The continuing advancement of semiconductor manufacturing technology to process high-speed UltraWide-Band (UWB) signals has enabled radar technology to become more versatile and applicable to...
Briefs Electronics & Computers
Microelectromechanical System (MEMS) Switch Test
Analyzing microelectromechanical system (MEMS) switch behavior is a new field of study that guides the production of MEMS switches. One issue of primary importance is the degradation of contact...
Articles Aerospace
Thermal Management Techniques for Military Embedded Computers
As military programs continue to place an ever growing reliance on embedded computer systems, developments in rugged computer design must continue to advance to keep pace with this...
Articles Photonics/Optics
Designing COTS Optics Into Defense Projects
When settling in to design a new optical device for a defense application, it is often desirable to use Commercial Off The Shelf (COTS) optical components wherever possible. COTS optics offer many...
Briefs Sensors/Data Acquisition
Biodegradable MEMS Based on Cellulose Paper
Electro-Active Paper(EAPap) has been recognized as a new smart material that can be used for sensors, actuators, biomimetic robots, and smart wallpapers. EAPap is made with cellulose paper by coating...
Briefs Photonics/Optics
Outdoor Synthetic Aperture Acoustic Ground Target Measurements
A novel outdoor synthetic aperture acoustic (SAA) system consists of a microphone and loudspeaker traveling along a 6.3-meter rail system. This is an extension of a prior indoor...
Briefs Sensors/Data Acquisition
Analysis of Clustering Tools for Moving Target Indication
Current and future forces operating in urban environments need the capability to detect slow-moving personnel inside buildings. To accomplish this, a time-domain approach was developed that uses a low-frequency, ultra-wideband (UWB) radar with a transmit pulse capable of penetrating through...
Briefs Physical Sciences
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...
Articles Aerospace
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...
Tech Transfer Reports Sensors/Data Acquisition
Mass Spectrometer Saves Power While Tracking Harmful Substances
British researchers who received R&D assistance from the Missile Defense Agency (MDA) are marketing a new tool that could zero in on toxic chemicals in baby formula, lead...
Articles Sensors/Data Acquisition
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...
Briefs Sensors/Data Acquisition
MEMS-Based Optical Limiter
Protecting optical sensors and detectors against excessive input signals is not only important for dealing with unintentional overloads, but also central for protecting sensors against intentional high-intensity...
Briefs Manufacturing & Prototyping
Microfabrication and Testing of a Thermoelectric Device for Generating Mobile Electrical Power
Several attractive features of thermo-electric (TE) technology include no moving parts, light weight, modularity, covertness, silence, high power...
Briefs Physical Sciences
Tightly Coupled INS, GPS, and Imaging Sensors for Precision Geolocation
To address the issue of poor georegistration performance for small unmanned aerial vehicles (UAVs), navigation and target-location accuracy improvements achievable by tightly integrating an image-based feature-tracking algorithm with Global Positioning System (GPS) and a...
Products Sensors/Data Acquisition
Submersible Pressure Sensors
The AST4520 media-isolated, submersible pressure sensor from American Sensor Technologies (Mt. Olive, NJ) features a flush diaphragm steel cage design with stainless steel construction for level monitoring of...
Articles Aerospace
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-...
Briefs Sensors/Data Acquisition
Miniature Rotorcraft Flight Control Stabilization System
Autonomous rotorcraft provide improved capability in performing military missions such as reconnaissance, targeting, border patrol, and environmental sensing. A common difficulty in...
Briefs Sensors/Data Acquisition
Characterization of a MEMS Directional Sound Sensor
There is a wide range of potential military applications in which ambiguity in bearing occurs with respect to sound. For example, autonomous unmanned aerial vehicles (UAVs) could employ a...
Articles Defense
Man-Wearable Control Units for Military Robotics
It is no secret that robots are rapidly asserting themselves in today's military applications. For the duration of the Iraq War, robots have roamed the streets of Baghdad, Fallujah, and other...
Articles Sensors/Data Acquisition
Digital Light Control Simplifies Focal Plane Array Testing and Image Sensor Production
Characterization of the performance of image sensors and image sensor systems is critical to success in many defense and security applications. From image...
Articles Sensors/Data Acquisition
Applying Reconfigurable Computing to Acoustic Sensors
There is growing interest in the U.S. Armed Forces in the development of microsensor systems that are easily deployed and that support reconnaissance, surveillance, and target acquisition...
Briefs Sensors/Data Acquisition
Cracking of Aluminum Panels Repaired With Composite Patches
An experimental study of the mechanical behavior of cracked aluminum specimens repaired with composite-material patches has yielded findings that may eventually contribute to the...
Briefs Information Technology
Fusion of Image- and Inertial-Sensor Data for Navigation
Amethod of real-time fusion of readout data from electronic inertial and image sensors for passive navigation has been developed. By "passive navigation" is meant navigation without the...
Briefs Physical Sciences
Detecting Explosives by Use of LIBS
Laser-induced breakdown spectros - copy (LIBS) has been investigated for potential utility as a means of detecting trace amounts of chemical explosives and residues thereof in lawenforcement, forensic...
Briefs Sensors/Data Acquisition
Low-Water-Permeability Encapsulants for Acoustic Sensors
Afamily of improved encapsulating materials for protecting underwater acoustic sensors has been invented. These materials could also be used for encapsulation or protective coating of...
Briefs Photonics/Optics
Photonic Analog-to-Digital Converters
Early steps have been taken toward the development of analog-to-digital converters (ADCs) that would incorporate photonic quantizers based on the technology of InP semiconductors. These photonic ADCs are...
Briefs Materials
Solid-State Viscosity Sensors For Military and Aerospace Applications
Embedded OEM application markets such as the military and aerospace industries are experiencing a growing demand for sensors that provide instantaneous and continuous process...
Briefs Electronics & Computers
Dense Functionalized-Nanowire Biosensor Arrays
Progress has been made in the development of compact sensor arrays containing molecular electronic devices for detecting molecules of interest (especially biomolecules) with high sensitivity and...
Briefs Sensors/Data Acquisition
Nanosensor Arrays for Detecting Breast-Cancer Compounds
Arrays of nanosensors for detecting biomolecules associated with breast cancer are undergoing development. It has been proposed to construct the arrays as silicon-based large-scale...
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