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RF & Microwave Electronics

Detecting Drones with Doppler-Based Radar

As drones become more commonplace, the need to secure facilities from the high-definition cameras and potential dangerous payloads has caused a rapid growth of counter-drone technologies.

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Articles
Aerospace

Merging Antenna and Electronics Boosts Energy and Spectrum Efficiency

By integrating the design of antennas and electronics, researchers from the Georgia Institute of Technology have boosted the energy and spectrum efficiency for a new class of...

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Articles
Software

Communicating from Space: The Front End of Multiscale Modeling

As satellites and astronauts travel further out in space, the more communication challenges they face. NASA launched the InSight Mission on May 5, 2018 from Vandenberg Air Force...

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News
Manned Systems

Viasat Military-Grade Airborne SATCOM Antenna Achieves FAA Certification, Completes Air Force C-17 MACC Testing

The Global Mobile Antenna ( GMA) 5560-101, aKu-/Ka-band multi-network, multi-mode satellite communications (SATCOM) antenna from...

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News
Imaging

Persistent Systems Auto-Tracking Antenna Adds Aircraft to Network, Enhances Data Sharing

The Auto-Tracking Antenna System, a new portable, ground-to-air antenna from Persistent Systems LLC in New York, incorporates aircraft into the Wave...

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Articles
Sensors/Data Acquisition

Validation of Ubiquitous 2D Radar

Seastema SpA, a company owned by Fincantieri (Genova, Italy), designs, develops, and supplies integrated automation systems for different areas of the marine industry. The company established an Innovation...

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Application Briefs
Aerospace

Digital Radar Warning Receiver

Northrop Grumman CorporationFalls Church, VA703-280-2900www.northropgrumman.com Northrop Grumman Corporation recently received a $124.7 million award for production of AN/APR-39D(V)2 digital radar warning receiver...

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Briefs
Aerospace

Co-Prime Frequency and Aperture Design for HF Surveillance, Wideband Radar Imaging, and Nonstationary Array Processing

A co-prime array uses two uniform linear subarrays to construct an effective difference coarray with certain desirable...

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Application Briefs
Defense

Radar Sensor Systems

Kelvin HughesLondon, UK+44 19 9280 5200www.kelvinhughes.com Kelvin Hughes recently announced a number of new coastal surveillance / Vessel Traffic Service (VTS) radar sensor sales references in Australia including...

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Application Briefs
Defense

Counter UAV System

SteekRock UAVLondon, UK+44 (0) 20 7491 8186www.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 such equipment was unique...

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Articles
Defense

EMI Analysis Software Helps Telescope Group Simulate RFI Mitigation

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 vast...

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INSIDER
Mechanical & Fluid Systems

Standing Still May Improve Antennas That Scan in All Directions

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 objects...

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Application Briefs
Electronics & Computers

Satellite System

301-428-5539 http://defense.hughes.com Hughes Network Systems, LLC (Hughes) recently unveiled a new HM Satellite System, engineered around its novel software-definable modem (SDM) technology and scrambled code multiple access...

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INSIDER
Test & Measurement

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 will...

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Articles
Aerospace

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...

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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...

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Defense

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...

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INSIDER
Defense

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...

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Articles
Defense

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...

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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...

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INSIDER
Defense

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...

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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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Products
RF & Microwave Electronics

Sheet Antenna

Pulse Electronics Corp. (San Diego, CA) has introduced a near-field communications (NFC) antenna that enables mobile phones to read data from a distance of up to 40 mm. The ferrite sheet antenna sends and receives clear signals...

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Products
RF & Microwave Electronics

Radome-Packaged Antennas

Spectrum Advanced Specialty Products (Fairview, PA) has introduced new high performance radome antenna assemblies designed for Plug-n-Play use in ISM, Satellite and WiFi applications. The AR series antenna assemblies...

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Briefs
Electronics & Computers

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...

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Briefs
Electronics & Computers

Collapsing and Closing Unmanned Air Vehicle Swarms

AFRL researchers are exploring an adaptive and reconfigurable unmanned air vehicle (UAV) swarm configuration known as "collapsing and closing UAV swarms." This approach to developing UAV swarms...

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