RF & Microwave

Antennas

Application Briefs: RF & Microwave Electronics
Radar Sensor Systems
Kelvin Hughes
London, UK
+44 19 9280 5200
www.kelvinhughes.com

Kelvin Hughes recently announced a number of new coastal surveillance / Vessel Traffic Service (VTS) radar sensor sales references in...

Application Briefs: RF & Microwave Electronics
Counter UAV System
SteekRock UAV
London, UK
+44 (0) 20 7491 8186
www.sruav.co.uk

The use of unmanned aerial vehicles (UAVs) is one of the most significant technological developments in the last decade. However, where once...

Challenging Einstein’s seminal theory of relativity to the limits, how the very first stars and galaxies formed just after the Big Bang, the study of dark energy and the...

Antennas often need to trace circles in the sky. For example, radar arrays atop air-traffic control towers rotate to sweep signals in all directions. But spinning large...

INSIDER: Sensors/Data Acquisition
Crash Test Helps Improve Emergency Response

NASA’s Langley Research Center hoisted a Cessna 172 aircraft 100 feet into the air by cables and released it. The plane plummeted onto a slab of dirt in a violent but controlled experiment that...

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...

Technology Update: Defense
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: 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...

News: 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...

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...

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...

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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