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Briefs Electronics & Computers
Delta-Sigma UHF Digital Waveform Generator
A prototype Digital Waveform Generator (DWG) in the ultra-high-frequency (UHF) range uses Delta-Sigma (Δ−Σ) modulation techniques, which permit arbitrary and accurate waveform...
Briefs Electronics & Computers
Network-Enabled Resource Devices
Network Enabled Resource Devices (NERDs) combine the most common electronic components used in robotic applications into a standard electronics box with "plug-n-play" capabilities. Risk reduction efforts, systems testing and integration, and modifying the functionality of evolving systems becomes greatly simplified...
Briefs Photonics/Optics
Cleaning and Protecting Large Mirrors Using a Polymer Solution
Cleaning and protecting optics is a challenge — contamination must be removed without damaging the surface. Preventing recontamination for extended periods of time after...
Briefs Electronics & Computers
Software-Defined Radios for Urban and Indoor Navigation
Software-defined radios (SDRs) are being developed to provide positioning and communication (POSCOMM) services inside buildings and tunnels, under tree canopies, and in other environments...
Briefs Electronics & Computers
Conjugated Polymers Having High Charge-Carrier Mobilities
A three-year research project encompassed multiple studies of (1) polymer semiconductors that exhibit relatively high electric-charge- carrier mobilities and (2) applications of these...
Briefs Materials
Incorporating Functional Fillers into Silicone Elastomer Systems
Silicones can be developed into fluids, gels, adhesives, elastomers, and resins designed with unique properties that make them ideal for specific application uses in the defense...
Briefs Materials
Gold-Based Nanoparticle Liquids for Electronic Applications
Electrically conductive, solventless nanoparticle liquids, consisting of gold nanoparticles chemically functionalized with large organic molecular groups, have been investigated for...
Briefs Materials
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- matrix/graphite-fiber)...
Briefs Photonics/Optics
Adaptive Deblurring of Noisy Images
An algorithm for adaptive deblurring of images has been designed to be less adversely affected by image noise than are prior deblurring algorithms. The need for this or another noise-tolerant deblurring...
Briefs RF & Microwave Electronics
Implementing a GPS Waveform Under the SCA
A continuing development effort focuses on implementation of a Global Positioning System (GPS) waveform under the Software Communications Architecture (SCA). [As used within the special technological...
Briefs Physical Sciences
Nanodevices Based on Actin-Filament End-Tracking Motors
In a continuing research project, nanoscale actuators based on actin-filament end- tracking motors have been synthesized and characterized. It is envisioned that such actuators will...
Briefs Mechanical & Fluid Systems
Tethered, Remotely Operated Miniature Submarine
A tethered, remotely operated, armed underwater vehicle has been conceived to satisfy a need for an uninhabited vehicle for Navy missions in which positive identification of targets is needed....
Articles RF & Microwave Electronics
Prototyping Advanced Military Radar Systems
Radar receiver design is seeing an increase in the number of digital tuning and digital signal processing (DSP) functions moved from back-end single-board computers into fixed front-end hardware...
Articles RF & Microwave Electronics
Role and Performance of the Global Precipitation Measurement Microwave Imager Instrument
The Global Precipitation Measurement (GPM) mission will initiate a new era in precipitation measurement in terms of its global extent and frequency of...
Application Briefs RF & Microwave Electronics
Microwave RF Amplifier Boosts Communications Power
When you watch TV or use a cell phone, amplifiers make the signal stronger or the voice clearer. A hybrid, high-powered microwave amplifier from Aria Microwave Systems of Teaneck, NJ enables...
Application Briefs RF & Microwave Electronics
Portable Antenna Helps Hurricane Survivors Communicate
Victims of Hurricane Katrina found peace of mind in the aftermath thanks to an inflatable antenna that enabled emergency satellite communications for displaced Mississippians.
Briefs RF & Microwave Electronics
Arcing and Vibration Tests of High-Power Patch Antennas
Electric-breakdown and vibration tests were performed on one-patch and two-patch versions of a prototype of a patch antenna designed to radiate a continuous- wave or pulsed signal in the S...
Briefs RF & Microwave Electronics
Antenna Electronically Steered Using MEMS Phase Shifters
An experimental phased-array microwave antenna assembly includes an array of eight patch antenna elements connected to Microelectromechanical System (MEMS) phase shifters, by means of...
Briefs RF & Microwave Electronics
Design Study of a C-Band Crestatron
A design study of a crestatron that would operate in the frequency range from 3 to 6 GHz (which overlaps with the C band) has been performed. The basic crestatron concept was developed during the 1950s....
Products
MIL-STD Software Development Kit
Data Device Corp. (Bohemia, NY) has introduced software development kits (SDKs) for MIL-STD-1553 PC/104-Plus and PCI-104 cards, enabling users to develop source code to simulate, monitor, or troubleshoot 1553...
Products
Ballistic Protection System
The Rapid Armor Shelter System® from FY Composites (Nokia, Finland) is a modular ballistic protection system. The military-certified, lightweight fortification wall system can be used to protect fast-moving...
Products
LCD Interface Controller
The HE-1920 from Digital View, Morgan Hill, CA, is a buffered, multi-sync interface controller that provides analog and digital connections for large-format, high-definition FTF LCDs. It features wide operating...
Products
Temporary Air Conditioner
The ACM 18 CBRN from Dantherm Air Handling (Spartanburg, SC) is a transportable unit developed to provide air conditioning in temporary or transportable buildings or tents. The compact unit is made of aluminum and is...
Products
Transport Refrigerators
Dometic (Luxemburg) has introduced autonomous transport refrigerators based on an adsorption principle and using insulated containers to transport fresh perishables. The Zeolite technology generates cooling capacity by...
Products
Binocular Laser Range Finders
Vectronix (Leesburg, VA) offers the Vector™ family of binocular laser range finders for observation, distance, and angle measurement. The binoculars provide high-resolution optics, an eyesafe laser range...
Products Mechanical & Fluid Systems
Actuator Protection Boot
Polymer Technologies (Clifton, NJ) has developed a transparent calibrated moisture boot that protects the rotating shaft and seal in the UH-60 Blackhawk Helicopter Pitch Trim Actuator, a flight control component that...
Articles Aerospace
Micro Air Vehicles Serve as Eyes in the Sky for Ground Troops
Honeywell Aerospace has developed the Micro Air Vehicle (MAV), an unmanned aerial vehicle (UAV) based on ducted-fan technology that recently was deployed in Iraq to identify...
Articles Communications
Network Keeps Line of Communication Open to Convoys
An airman riding as part of a convoy escort team in Iraq keys his radio microphone to check in with his base, and hears nothing but dead air. The U.S. Air Force is leading a joint...
Briefs Electronics & Computers
Protection Schemes for Advanced Shipboard Electrical Systems
A research program has made progress toward the development of schemes for protection against faults in next-generation DC zonal shipboard electrical systems (DC SESs) and for...
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