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Briefs Software
Tool for Processing and Displaying Genomics Data in Spreadsheets
ChromaBlast is a computer program that facilitates and accelerates processing and display of data by use of Microsoft Excel or other spreadsheet software that affords similar capabilities. The development of ChromaBlast was prompted by a need for improved means of analyzing and...
Briefs Physical Sciences
Digital-Image Data Acquisition System for Turbulent Mixing and Combustion
An equipment and instrumentation system for high-speed digital image data acquisition and processing includes components for Planar Laser Induced Fluorescence (PLIF), flame-speed, and ignition and extinction measurements of laminar flames at variable pressure; tracking flow...
Briefs Physical Sciences
Thermal Technology System Acquires Heat Data to Count People
The Flowslide, developed by Royal Boon Edam Group Holding BV, is a combination of a revolving door and curved sliding panels, installed at Charles de Gaulle Airport, Paris. The...
Briefs Physical Sciences
Time-Coding of Asynchronous Data Transmissions
A method for providing a time code for multiple streams of simultaneously received data has been developed in order to allow reconstruction of the data after asynchronous transfer. It is often...
Briefs Materials
Flexible Biohybrid Nanomembranes for Multifunctional Sensors
A document describes recent activities in a continuing effort to develop devices, based on biohybrid nanomembranes, that would perform diverse sensory functions. The term "biohybrid nanomembranes" signifies flexible organic/inorganic composite membranes, of the order of tens of nanometers...
Briefs Materials
Oxide and Nitride Films for Tunable Capacitors and HEMTs
A report describes research on thin oxide films intended for use as variable-high-permittivity dielectrics in advanced tunable capacitors and on thin nitride films as starting materials for advanced high-electron- mobility transistors (HEMTs). In this research, a custom molecular-beam-epitaxy...
Briefs Information Technology
Cooperative Control of Robotic Aircraft
A document reviews a multidisciplinary research program oriented toward development of a rigorous theoretical foundation, and scalable analytical tools and paradigms, for construction of cooperative, networked control for numerous autonomous and semi-autonomous aircraft. This research has addressed issues...
Briefs Physical Sciences
Infrared-Sensitive Photorefractive Polymer Composite Devices
Polymer composites that are photorefractive at visible and near- infrared wavelengths, and devices that exploit their photorefractivity, have been demonstrated. Potential applications...
Briefs Materials
Aligned MWCNTs as Thermal Conductors in Adhesive Joints
A developmental method of increasing the thermal conductance of an adhesive joint in a composite-material structure (or between a composite-material structure and another structure)...
Briefs Materials
Electrochromic Devices for Controlling Infrared Emissivity
Electrochromic devices that exhibited adjustable infrared emissivity were developed in a research program that was part of a larger effort to develop adaptive infrared camouflage....
Briefs Photonics/Optics
Developments in Adaptive Filtering and System Identification
Progress has been made on several fronts in a continuing program of research oriented toward the development of real-time algorithms, and computer and control systems that utilize the...
Briefs Photonics/Optics
Near-Field Light Lenses for Nano-Focusing of Beams of Atoms
Near-field light lenses for focusing beams of light and beams of atoms to spots having a width of no more than several nanometers are undergoing development. There are numerous...
Briefs Electronics & Computers
Effects of High-Power Microwave Pulses on Electronic Systems
A five-year program comprising several coordinated research efforts was devoted to increasing understanding and developing capabilities for computational modeling of the effects of...
Briefs Mechanical & Fluid Systems
Biaxial and Shear Testing Apparatus With Force Controls
An apparatus for in-plane biaxial tension/compression and in-plane shear testing of fabrics, other flexible sheet materials, or relatively rigid thin plate materials has been invented. The...
Briefs Test & Measurement
Improvements in Measurement of Permeability and Permittivity
The two-transmission method is an improved method of determining, from microwave measurements, the complex permeability and complex permittivity of a sample of a material typified by...
Briefs Materials
Testing Silver-Coated Nylon Fibers as Electrical Conductors
Tests have been performed in an effort to gain understanding of electrical and mechanical properties of silver-coated nylon fibers subjected to stresses and strains and exposed to...
Briefs Photonics/Optics
Laser-Based System for Measuring and Analyzing Vibrations
A system for noncontact measurement and analysis of vibrations of an electronic circuit board or a similar lightweight, nominally flat, rectangular object has been developed. This...
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...
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 Physical Sciences
Mixing and Combustion in Turbulent, High-Speed Flows
A collection of reports presents a detailed description of a research program that focused on fundamental investigations of mixing and combustion in turbulent subsonic and supersonic flows like those encountered in high-speed air-breathing aircraft engines. The research included close...
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 Information Technology
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 Information Technology
Magneto-Fluid Dynamics Calculations for Aerodynamics
Governing differential equations, and algorithms to solve the equations numerically, have been developed to enable computational simulation of weakly ionized aerodynamic flows in the presence of electromagnetic fields. The equations and algorithms are intended mainly for application to airflows...
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 Information Technology
C++ Architecture for Simulating UAVs
A conference paper describes the use of the CADAC++ software system for simulating operations of uninhabited aerial vehicles (UAVs) in conjunction with moving ground targets while interacting with other UAVs and with satellites that assist in targeting. CADAC++ was developed by rewriting the prior...
Briefs Test & Measurement
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 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
Electrical Filters Containing Multistage PBG Resonators
Electrical filters of a recently invented type are designed and constructed as transmission lines into which multistage photonic-band-gap (PBG) structures are incorporated. As used here,...
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