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Articles RF & Microwave Electronics
Communications in Space: A Deep Subject
Transmitting and receiving radio signals between spacecraft in deep space is a snap compared with getting those signals back to Earth, especially when the spacecraft is 120 billion miles away.
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...
Application Briefs RF & Microwave Electronics
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...
News Internet of Things
EU to Deploy UAV Traffic Management System by 2019
The Geneva-based body that navigates international air services for Switzerland and certain bordering countries, skyguide, joined forces with AirMap unmanned traffic management (UTM) to...
Articles RF & Microwave Electronics
NASA CubeSats: Pushing the Boundaries of Technology
NASA’s Small Spacecraft Technology Program is on the countdown clock to advance communications and proximity maneuvering capabilities for CubeSats with the Integrated Solar Array and...
Articles Aerospace
GaN Breaks Barriers
The increasing demand for higher data rates in telecommunications and higher resolution in industrial systems is pushing the frequency of operation higher for the electronics that support them. Many of these systems operate...
Briefs Electronics & Computers
Sensitivity Simulation of Compressed Sensing Based Electronic Warfare Receiver Using Orthogonal Matching Pursuit Algorithm
Electronic Intelligence Receiver (ELINT) is an important component in electronic warfare (EW) and layer sensing. The...
Articles RF & Microwave Electronics
On-Orbit Satellite Refueling Flow Measurement
Over 7000 satellites have been placed in Earth-orbit since the beginning of the space age. 3000 are currently in orbit, of which 1000 are active, making our near space neighborhood a pretty crowded...
Articles RF & Microwave Electronics
NASA Miniaturizes Century-Old Radio Sounder Technology
A century-old technology that scientists use to probe the ionosphere — the important atmospheric layer that can interfere with the transmission of radio waves — is getting smaller.
Articles Aerospace
Fast-Tracking Autonomous Vehicles with Simulation
Artificial intelligence developments are set to fundamentally transform mobility, whether it is mobility of weapon payloads, supply deliveries, urban commuters, warehouse goods, delivery...
Articles RF & Microwave Electronics
Designing Electronic Warfare to Regain Airborne Military Dominance
For decades, military aircraft have relied on electronic warfare (EW) solutions to protect assets and dominate airspace. The ability of the United States to detect and track...
News Manned Systems
Recoated and Ready
Air superiority comes at a cost. The U.S. Air Force (USAF) F-22 Raptor may arguably be the most capable air superiority fighter ever built, but the aircraft has lingered in depots due to a variety of substantial...
Articles RF & Microwave Electronics
The Ins and Outs of Spaceflight Passive Components and Assemblies
RF and microwave components deployed in spaceflight applications can experience hundreds of degrees of temperature variation, massive amounts of radiation, and can be expected to...
Articles Communications
Using High Bandwidth Oscilloscopes to Analyze Radar and Electronic Warfare Systems
Whether for multi-channel analysis, or for wider analysis bandwidth in a measurement, high bandwidth oscilloscopes offer an alternative to traditional spectrum...
Articles Defense
Bio-inspired Airborne Infrastructure Reconfiguration (BioAIR)
Conventionally, most autonomous mobile nodes, including unmanned aerial vehicles (UAVs), are operated remotely by human operators. As such, forming a mobile communication network to...
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...
INSIDER RF & Microwave Electronics
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...
Articles RF & Microwave Electronics
Analyzing Radar Signals with Demodulation
In the electronic warfare milieu, one of the most common RF applications is that of radar systems. Radar, which uses RF energy to determine the range, angle, and/or velocity of objects, detects...
Articles RF & Microwave Electronics
Combining Software and Hardware for Highly Specialized Multichannel Spectrum Monitoring
Systems specifically designed for spectrum monitoring applications typically acquire RF signals from a reference antenna or downlink, analyze the shape (or...
Articles Sensors/Data Acquisition
Curled RF MEMS Switches For On-Chip Design
Microelectromechanical system (MEMS) switches are active components in most electronic equipment. Radio frequency (RF) MEMS are used in wireless personal communication devices, satellite communication,...
Articles Defense
International Microwave Symposium Preview
The 2016 International Microwave Symposium (IMS2016), organized by the IEEE Microwave Theory and Technique Society (MTT-S), is the annual international meeting for technologists involved in all aspects...
Articles Defense
Developing an Auto-Synchronized Multi-Avionics Protocol Data Bus Acquisition System
A modern aircraft includes multiple intelligent subsystems that aid in communication, navigation, and surveillance. These subsystems, called line replaceable...
INSIDER Aerospace
Flexible Skin Traps Radar Waves and Cloaks Objects
Iowa State University engineers developed a new flexible, stretchable, and tunable metamaterial skin that uses rows of small, liquid-metal devices to cloak an object from the sharp eyes of...
Application Briefs Aerospace
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...
Articles Defense
Making AESA Radar More Flexible
A modular, building-block approach brings greater design flexibility to Active Electronically Scanned Array (AESA) radar technology, simplifying system integration, and permitting rapid first-line repair with no...
Articles RF & Microwave Electronics
Developing Secondary Surveillance Radar Automated Test Equipment
Unlike primary radars, Secondary Surveillance Radar (SSR) calculates the range and azimuth of a target, such as an aircraft, using a bidirectional communication link to gather...
Articles Test & Measurement
Enhance EMC Testing with Digital IF
Modern electromagnetic interference (EMI) receivers and spectrum analyzers used for compliance and precompliance testing employ digital intermediate-frequency (digital IF) processing technology for signal...
Articles Aerospace
Radio Relays Improve Wireless Products
In order to transmit communications through Earth’s atmosphere, satellites and space vehicles need radio equipment that can operate at higher frequencies than on Earth. These higher frequencies, until...
INSIDER Aerospace
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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