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Articles
Defense

Thermal Trends and Improvements for Rugged COTS Cards

Thermal management of rugged COTS (commercial off-the-shelf) cards destined for defense applications has always been a challenge due to the high operating temperatures and other harsh...

Articles
Aerospace

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...

Tech Transfer Reports

Pultrusion Process Simplifies Manufacture of Composite Structures

A simple pultrusion technique is being adapted to lend its simplicity, efficiency, and cost savings to the production of complex composite structures for high-performance...

Briefs
Electronics & Computers

FPGA-Based Communication Channel for Digital Signal Processor Chips

A method for networking, and a network of, digital signal processors (DSP) via at least one field-programmable gate array (FPGA) enables the simultaneous broadcast of data from a DSP to a number of DSPs. The apparatus comprises a host DSP, at least one FPGA in communication with...

Briefs
Electronics & Computers

Applying Reconfigurable Computing to Acoustic Sensors Using FPGAs

A novel microsensor processing architecture allows a field-programmable gate array (FPGA) to act as a reprogrammable preprocessor or coprocessor to a general-purpose processor...

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...

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...

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...

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-...

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
Physical Sciences

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
Defense

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
Physical Sciences

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...

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...

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...

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...

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...