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Articles Defense
System Generates and Simulates Skin-Echo Pulses for Radar Testing
One of the methods for radar testing is the simulation of an environment where there are dynamic or static objects that are scanned by the radar under test. In particular,...
Articles RF & Microwave Electronics
Next-Generation Phased Radar Systems Lead to Hardware Improvements
Meeting the performance needs of the next generation of radar systems that will be deployed by the military is spurring the development of more efficient and sensitive hardware...
Articles Defense
Electronic Warfare Development Targets Fully Adaptive Threat Response Technology
When U.S pilots encounter enemy air defenses, onboard electronic warfare (EW) systems protect them by interfering with incoming radar signals — a technique known...
Application Briefs Weapons Systems
Radar-Based Threat Detection
Rapiscan Systems Torrance, CA 310-978-1457 www.rapiscansystems.com Rapiscan Systems recently announced the addition of CounterBomber, a radar-based threat-detection technology, to its portfolio of security products....
INSIDER Photonics/Optics
Quantum Radar Detects “Invisible” Objects
A prototype quantum radar has the potential to detect objects that are invisible to conventional systems. The new breed of radar is a hybrid system that uses quantum correlation between microwave...
INSIDER Defense
Army Equips Stryker Unit With New Communications Technology
The Army's Stryker vehicle, designed to quickly move soldiers into a combat zone, is swift and mobile. Now its communications equipment will be, too.
Articles Aerospace
Wireless Sensing — the Road to Future Digital Avionics
The performance of avionics systems is dictated by the timely availability and usage of critical health parameters. Various sensors acquire and communicate the desired parameters. In...
Articles Aerospace
New RF Strategies for Software Radio
Software defined radio system engineers can now exploit new technology to perform digital signal processing much closer to the antenna than ever before. Various strategies include the latest wideband data...
Application Briefs RF & Microwave Electronics
Tracking WiFi Signals to Passively See Through Walls
University College London (UCL) researchers are investigating passive radar technologies that can see through walls using WiFi radio waves. The novel research required a real-time, passive...
INSIDER RF & Microwave Electronics
Air Traffic Lab Answers Questions About Future Flying
The holiday season is upon us and that means crowded airports and delayed flights. Researchers at NASA's Langley Research Center are working to change that. They are conducting studies to...
INSIDER Energy
Foldable Material Can Support Many Times its Weight
Researchers at Drexel University and Dalian University of Technology in China have chemically engineered a new, electrically conductive nanomaterial that is flexible enough to fold, but strong...
Articles RF & Microwave Electronics
Enhancing Mission Readiness with Rugged Portable Instruments
To support warfighters in the field, engineers and technicians install, maintain, troubleshoot, and repair a wide range of mission-critical radar and communication systems. These...
Articles RF & Microwave Electronics
RF Photonics for Avionics Signal Processing
The maturity of RF photonic components has reached the point where fiber optic links are being system-tested to replace traditional copper coax links on avionic platforms. Many demonstrations of RF...
Technology Update RF & Microwave Electronics
Small, Sensitive Antennas
Researchers create metamaterials by carefully designing and fabricating novel structures to exhibit patterns of electromagnetic properties—specifically, dielectric permittivity and/or magnetic permeability—at the micro-or nano-scale. This special spatial arrangement of elements ensures that the volumetric arrays...
INSIDER Communications
3D Audio Research Helps Make Cockpit Safer
Imagine yourself in a cockpit, flying a mission, listening to a multitude of critical voices delivering vital messages, all at the same time and from the same direction. Now imagine the same...
News Aerospace
U.S., India to Collaborate on Mars Exploration, Earth-Observing Mission
While attending the International Astronautical Congress, NASA Administrator Charles Bolden and K. Radhakrishnan, Chairman of the Indian Space Research Organisation...
INSIDER RF & Microwave Electronics
Tiny Wireless Sensing Device Alerts Users to Telltale Vapors Remotely
A research team at the Georgia Tech Research Institute (GTRI) has developed a small electronic sensing device that can alert users wirelessly to the presence of chemical...
INSIDER RF & Microwave Electronics
Agile Aperture Antenna Tested on Aircraft
Department of Defense representatives were in attendance during a recent event where two of the low-power devices, which can change beam directions in a thousandth of a second, were demonstrated in an...
INSIDER RF & Microwave Electronics
DARPA Teams With Industry to Create Spaceplane
DARPA has created an Experimental Spaceplane (XS-1) to create a new paradigm for more routine, responsive, and affordable space operations. In an important step toward that goal, DARPA has awarded...
INSIDER Sensors/Data Acquisition
Army to Get New IED Detector Technology
Detecting improvised explosive devices in Afghanistan requires constant, intensive monitoring using rugged equipment. When Sandia researchers first demonstrated a modified miniature synthetic aperture...
Articles Aerospace
Optimizing DSP Techniques for Antenna Site Software Radio
Many applications can benefit from pushing software radio functions up the mast to the antenna as a viable alternative to traditional rack-mounted receiver systems. New technology offers...
Articles Defense
New Technique Could Make Sub-Wavelength Images at Radio Frequencies
Imaging and mapping of electric fields at radio frequencies (RF) currently requires the use of metallic structures such as dipoles, probes, and reference antennas. To make such...
INSIDER Aerospace
Agile Aperture Antenna Tested on Aircraft to Maintain Satellite Connection
Two of Georgia Tech's software-defined, electronically reconfigurable Agile Aperture Antennas (A3) were demonstrated in an aircraft during flight tests. The low-power...
Articles Defense
Advances and Challenges in Developing Radar Applications
Radar is used to detect and/or track target objects and their attributes, such as range, speed, and other information obtained through signals at RF and microwave frequencies. The broad...
INSIDER Software
Air And Missile Defense System To Get Smarter Software
When a missile is launched against an enemy target, it would be nice to have a lot of good information about that target. But when "decision makers push the fire button, they may have very...
Articles Aerospace
RF FPGAs for Multi-Function Systems
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...
Articles RF & Microwave Electronics
Software Defined Radio Enables Flexible Communications for NASA
Communication is key to just about any endeavor. NASA’s ability to update and modify communication capabilities to reflect the latest upgrades without impacts to mission time or...
Articles RF & Microwave Electronics
Automated Testing Ensures Top Performance of Army Radios
To keep soldiers safe and the lines of communication open, frequent testing of radios used on the battlefield is imperative. That testing is becoming more automated and efficient with...
Articles RF & Microwave Electronics
The Basics of Multiple Input Multiple Output (MIMO) Radio Systems
This article introduces the rationale and techniques involved with MIMO (Multiple-Input Multiple-Output)-based communication systems. The communication impairments due to...
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