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Briefs Electronics & Computers
Microscale Electrical Contacts for Self-Assembly
An experimental study of self-assembly processes in which small, heterogeneous components become spontaneously aligned with each other and bonded through soldering of mating electrical contacts...
Briefs Photonics/Optics
BC VCSELs for RF/Photonic Links
Bipolar cascade (BC) vertical-cavity surface emitting lasers (VCSELs) of a type intended specifically for use in radio-frequency (RF)/photonic links have been demonstrated. As used here, "RF/photonic link"...
Briefs Photonics/Optics
Effect of Laser Noise on an Analog RF/Photonic Link
Aset of equations has been formulated to enable quantification of several aspects of the performance of an analog photonic communication link as affected by laser noise. A procedure for...
Briefs Information Technology
Overcoming Obstacles to DoD Software Technology Transition
The term "Software Wind Tunnel" (SWiT) denotes an institution proposed to be established as a means of overcoming obstacles that, heretofore, have impeded technology transition in...
Briefs Materials
GOx/CNT/Silica Composites for Bioelectrodes
Composites of glucose oxidase (GOx), carbon nanotubes (CNTs), and biologically synthesized silica have been synthesized and tested. These composites are prototypes of biological/electrical interfacial...
Briefs Unmanned Systems
Planning Observations by Unmanned Surface Vessels
Three algorithms, and software that implements the algorithms, have been conceived and analyzed as means of effecting automated planning of scientific observations by a fleet of unmanned surface...
Briefs Materials
Progress in Design and Synthesis of Nanostructured Materials
A five-and-a-half-year integrated multidisciplinary research project has been characterized by three themes pertinent to the development of advanced materials having tailorable...
Briefs Physical Sciences
Microcompression Tests of a BMG and a Tungsten/BMG Composite
Uniaxial-compression tests of micron-scale specimens (microcompression tests) of a bulk metallic glass (BMG) and of a tungsten/BMG composite have been performed to contribute to...
Briefs Materials
Kinetic Modeling of Laser-Induced D-T Fusion
A computational- simulation study was performed to assess the feasibility of laser-induced fusion of deuterium nuclei with tritium nuclei as a means of generating neutrons for use in neutron...
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 Electronics & Computers
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 as...
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
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.
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...
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....
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 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 Semiconductors & ICs
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 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...
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