Physical Sciences

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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...

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...

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...

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...

Progress has been made toward meeting several technical challenges in a continuing effort to develop “smart dust” sensors for remote detection of chemical and biological agents....

Briefs: Physical Sciences
Structural Composite Batteries

A continuing program of research and development is devoted to the design, fabrication, and testing of polymeric composite- material devices that are multifunctional in the sense that they both store...

In furtherance of the development described in the immediately preceding article, an experimental study focusing on mechanical aspects of structural composite batteries was performed. In...

A methodology for measuring skin friction (also known as wall shear) in complex flows typical of those inside supersonic-combustion ramjet (scramjet) engines has been developed....

Aminiaturized Global Positioning System (GPS) antenna array is being developed for use on aircraft on which the room available for installation of this or any other equipment is...

Briefs: Physical Sciences
Biologically Inspired Processing of Image and Sound Data

A report describes progress in a research program oriented toward developing artificial-intelligence capabilities for processing images and sounds in changing environments. This research focuses on extending the state of the art in mid-level processing of visual and auditory signals,...

Asystem of scientific instrumentation and data-processing equipment has been assembled for research and education in turbulence, mixing, and chemical reactions (especially combustion) in...

Several novel methods of detecting landmines and other buried explosive devices have been proposed and are subjects of continuing research. The use of trained dogs has been shown to be an...

All-dielectric, non-electronic, photonicassisted front ends are being developed as alternatives to traditional metal antennas and the associated metal connections and input electronic...

A three-dimensional (3D) defocusing liquid-crystal-particle thermometry and velocimetry (3DDLCPTV) system has been designed and constructed (but not yet operated) for use in...

Amethod and apparatus have been conceived for using electrochemical impedance spectroscopy (EIS) for determining rates of corrosion of coupled metals. EIS has been used heretofore for...

A program of research has addressed a methodology of scaling of flight tests of unmanned air vehicles (UAVs) intended primarily for military use in observing and/or attacking targets on the...

Briefs: Physical Sciences
Imaging System for Characterizing Materials and Processes

Ahigh-performance digital imaging system has been assembled to provide enhanced capabilities for characterizing materials and processes. Highspeed imaging is needed for observation and analysis of such fast dynamic processes as impact fracture (including ballistically induced fracture) in...

Briefs: Physical Sciences
Progress in Research on Bacteria-Powered Motors

Progress has been made on several fronts in research on biomotors and especially on microscopic motors powered by bacteria. The progress consists mostly of advances in the art of attaching motile bacterial cells to surfaces in specific, pre-designed microarrays.

Briefs: Physical Sciences
AFRL’s Demonstration and Science Experiments Mission

A document describes the Air Force Research Laboratory's Demonstration and Science Experiments (DSX) mission, dedicated to research needed to advance the ability to operate spacecraft in the harsh radiation environment of medium earth orbit (MEO). The DSX spacecraft, to be launched in late...

Embedded OEM application markets such as the military and aerospace industries are experiencing a growing demand for sensors that provide instantaneous and continuous...

Briefs: Physical Sciences
Traveling-Wave Wide-Band Microstrip Antennas

Microstrip antennas that can be made to perform well over relatively wide frequency ranges but are mechanically and electrically simpler than prior such antennas have been invented. These antennas are designed to support traveling waves, in contradistinction to being designed traditionally to support...

Briefs: Physical Sciences
Spintronic Effects in Semiconductor Nanostructures

Progress has been made in calculation of spintronic effects in semiconductor nanostructures. The calculations contribute to the body of theoretical knowledge complementing recent experimental advances in generating, transporting, and detecting coherent spin-polarized populations of electron and...

Webcasts

Upcoming Webinars: Materials

Protecting Power Electronics from EM and RF Interference

Upcoming Webinars: Automotive

Vehicle Electrification

Upcoming Webinars: Sensors/Data Acquisition

The Evolution of SOSA

Upcoming Webinars: Software

Next-Gen Vehicle Architectures and the Role of HPCs

Tech Talks: Medical

Testing Home Healthcare Medical Devices

Upcoming Webinars: Software

Accelerating Pre-Silicon Software Development with Next-Gen...

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