Keyword: Data acquisition and handling

Briefs: Information Technology
Optimized Robust Adaptive Networks in Supervisory Control and Data Acquisition Systems

The Electric Power and Communica - tion Synchronizing Simulator (EPOCHS) system could provide great benefits to private industry and Department of Defense (DoD) power systems infrastructure by allowing simultaneous, synchronous simulation of communication and...

Briefs: Physical Sciences

Originally begun as an investigation to detect attempts to tap into an electrical cable, the emergence of modern encryption hardware rendered impractical attempts to protect communication media...

Articles: RF & Microwave Electronics

Synthetic radar image recognition and classification are areas of interest for both the military and civilian communities. These tasks have significance in automatic target recognition, air traffic...

Briefs: Software
Software Suite for a Large Defense System

A suite of software tools was developed to enable networks composed of many hundreds, thousands, or even millions of commodity computers to protect themselves against a variety of security threats. These tools include Anagram, a content-based anomaly detection (AD) tool; ASSURE, which provides automatic...

Briefs: Electronics & Computers

A highly flexible automated prognostics and diagnostics sensor module (PDSM) prototype is presently under development to be incorporated for data...

Articles: Aerospace

The Radiometric Sensor Development and Applications Team of the Sensors and Electron Devices Directorate (SEDD) at the U.S. Army Research Laboratory (ARL) has developed a 2D laser profiling...

Articles: RF & Microwave Electronics

Maintaining situational/positional awareness in indoor and urban environments is difficult because buildings, walls, and other obstacles obstruct vision and RF propagation. Propagation channels are...

Briefs: Electronics & Computers
Heterogeneous System-on-a-Chip for Self-Powered Wireless Sensor Networks

A new dimension of system architecture design is emerging where hundreds to thousands of ultralight (

Briefs: Electronics & Computers
Asynchronous Architectures for Large-Integer Processors

New architectures have been developed for cryptographic hardware that offer high throughput, algorithm flexibility, radiation hardness, and low power. The asynchronous (clockless) architecture combines a dedicated large-integer processor (LIP), a field programmable gate array (FPGA), and a...

Briefs: Electronics & Computers

Reconfigurable Computers (RCs) combine traditional microprocessors with field programmable gate arrays (FPGAs), and are characterized by lower form/wrap factors compared to...

Briefs: Photonics/Optics

A multidisciplinary research project entitled “Affordable High-Energy Lasers” has made numerous contributions to the development of several types of advanced laser modules, including...

Briefs: Information Technology
Infrastructure for Development of Secure, Reliable Software

The Verification and Automated Reasoning research group at Cornell University has been building an infrastructure, comprising human expertise and computational resources, for the development of secure, reliable software for critical military applications. Such software includes...

Briefs: Information Technology

A formal model has been devised to impart some mathematical rigor to the concept of the attack surface of a software system. Complementing the model is a definition of a quantitative...

Articles: Aerospace

To realize the Depart ment of Defense's (DoD) vision of a ubiquitous, netcentric battlefield — connecting the warfighter with critical data in real time — embedded...

Articles: Sensors/Data Acquisition

There is growing interest in the U.S. Armed Forces in the development of microsensor systems that are easily deployed and that support reconnaissance, surveillance, and target acquisition...

Briefs: Information Technology
Explicitly Timed Authorization Logic

A document describes explicitly timed authorization logic (nicknamed "η-logic"). In prior authorization logics, it is, variously, impossible or difficult to handle time explicitly; express security policies that involve complex, time-dependent relationships; or reason accurately about time. By enabling...

Briefs: Physical Sciences

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
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...

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: Photonics/Optics

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...

Articles: Defense

Sensor-based imaging systems generate invaluable information for modern warfare, but a serious challenge exists to the timely use of that information. Data links that provide the transmission...

Briefs: Electronics & Computers

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

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: Information Technology

Aconcept of sensor validation using nonlinear minor-component analysis (NLMCA) has been proposed as a theoretical basis of a sensor fault-detection-and isolation (FDI) module in a...

Articles: Defense

System architects design distributed applications leveraging computer resources connected by a network infrastructure: CPU-intensive tasks may be located on powerful...

Briefs: Electronics & Computers

A method of time coding of asynchronously transmitted data from multiple sources has been invented. The method is especially applicable to a data-acquisition and transfer system...

Articles: Data Acquisition

Developed in 1999 under the auspices of the European Space Agency, SpaceWire answered a longstanding spaceflight problem: no standard, high-speed communications protocol existed for flight...

Briefs: Information Technology

Acquiring data from sensors, transporting the data, and then archiving it for future reference has changed dramatically over the last few years. The...

Briefs: Physical Sciences

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