Keyword: Electric power grid

Briefs: Sensors/Data Acquisition

Near-field radiation patterns are useful in diagnosing antenna array defects, measuring far-field antenna patterns where the far-field is prohibitively...

Articles: Aerospace

The common feature shared by recent aviation platforms is the high level of systems integration, and the way in which information is displayed or made accessible, allowing previously unimaginable levels of...

Articles: Photonics/Optics

In the conflicts in Iraq and Afghanistan, the enemy’s guerilla tactics have muddled the distinction between terrorism and warfare. To deal with the challenges of this new type of combat, the military...

Articles: Aerospace
A dynamically reconfigurable, wideband programmable RF FPGA transceiver will provide reduced lifecycle cost, reduced redesign cost, and service for multiple DoD platforms, while maintaining near-optimal...
Briefs: Physical Sciences
Cascading Failures in Coupled Distributed Power Grids and Communication Networks

Emerging distributed power grid systems will integrate tightly coupled networks, namely a power grid and a communication network, to provide distributed power monitoring and control. While distributing power monitoring and control away from a central site enhances...

Articles: Aerospace

In 2008, 4RF Communications started development of a new range of radio products to augment their existing point-to-point, long-range wireless link product....

Articles: Aerospace

Today, the cost and complexity of all platforms and systems in military and defense technologies are being challenged by the need for high functionality in smaller but less expensive...

Briefs: Physical Sciences

Laminated Carbon Fiber Reinforced Polymer (CFRP) composites are very effective in weight saving in aeronautical structural components. For these laminated...

Articles: Electronics & Computers

From the first computers of the 1940s through the machines of the 1990s, all computer systems were CPUbound. In other words, the I/O interfaces...

Articles: Test & Measurement

One aspect that sets circuit protection for radio frequency (RF) apart from other types of applications is the range of frequencies in which RF circuits operate. With abbreviated...

Articles: Electronics & Computers

Change is a concept that is well known in the computer industry. Designers and manufacturers alike have embraced this trend in an ongoing race to increase computing power while reducing...

Briefs: Weapons Systems

High-temperature superconducting (HTS) YBCO wire is a versatile technology for a number of military and commercial applications. However, anticipated military applications such as...

Articles: RF & Microwave Electronics

While power architectures of defense electronics are extremely diverse, all have common operational demands: they must be robust (shock, vibration, temperature...

Briefs: Electronics & Computers

Resistances of tenths of ohms to several ohms in transmission lines have been measured in laboratory systems from the power supply...

Articles: RF & Microwave Electronics

With the advent of prolific wireless communications applications, system designers are in a position to consider the placement and performance of an antenna system. The first step in establishing antenna...

Briefs: Materials
RF Polymer Composites for Electromagnetic Systems

Design of polymer composites with specific engineered electromagnetic properties are of use in a variety of physical electromagnetic systems above 100 MHz. In physical electromagnetic systems such as GPS, radomes, WiFi, etc., proper choice of the material can be transformative in that it can...

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: Electronics & Computers

An AC coupled interconnect (ACCI) has been developed that could be used to create multiple solutions to contactless chip-to-chip communications. Assembly and testing of a 0.18 um...

Briefs: Electronics & Computers

The electromechanical, RF, and charging properties of an "air-gap" capacitive switch enable it to be utilized in high-cycle life testing. Monitoring both high-speed and low-speed switching...

Briefs: Physical Sciences

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: Photonics/Optics

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...

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...

Briefs: Electronics & Computers

Progress has been reported in a continuing effort to develop pulsed, high-power microwave signal sources based on (1) oscillators in the form of relativistic magnetrons containing...