RF & Microwave Electronics

Antennas

Explore articles, technical briefs, and news essential to design engineers working with Antennas and RF Systems. Find information on next-generation antenna designs and RF systems devices.

Latest Briefs & News

Briefs : Aerospace
Multi-Purpose, Flexible Wing Structure for Small Unmanned Aerial Systems

Small unmanned aircraft systems (UAS), also known as micro air vehicles, are promising tools for a variety of military and commercial applications. Some small UAS have flexible wings and are lightweight, making them back-packable and easy to deploy. Most UAS that are...

Articles : Aerospace
Lightweighting in Aerospace Component and System Design

Lightweighting design is an extensively explored and utilized concept in many industries, especially in aerospace applications, and is associated with the green aviation concept. The...

Briefs : Sensors/Data Acquisition
Microchip Tracks Smart Pills

Researchers have developed a prototype miniature medical device that could ultimately be used in smart pills to diagnose and treat diseases. A key to the new technology is that its location can be precisely...

Briefs : Mechanical & Fluid Systems
Ricocheting Radio Waves Monitor the Tiniest Movements

Infrared motion detectors can cover only a limited amount of space, a person has to be within the detector's line of sight to be detected, and lights can go off when a person remains...

5 Ws : RF & Microwave Electronics
5 Ws of Spray-On Antennas

Who

Manufacturers and users of wearables, functional fabrics, mobile devices, wireless routers, and Internet of Things devices.

Articles : Energy
Innovators Recognized for "Creating the Future" 2018

The Create the Future Design Contest was launched in 2002 to help stimulate and reward engineering innovation. In the past 16 years, the annual contest has drawn more than 13,000 product...

Articles : Sensors/Data Acquisition
2018 Create the Future Design Contest: Electronics/Sensors/IOT Category Winner

FUTURE ANTENNA MINIATURIZATION MECHANISM: MAGNETOELECTRIC ANTENNAS

Hwaider Lin and Nian-Xiang Sun, Northeastern University, Boston, MA...
Products : RF & Microwave Electronics
New on the Market: October 2018

Temperature Transmitters

The Sitrans TH320/420 and TR320/420 WirelessHART (Highway Addressable Remote Transducer Protocol) temperature transmitters from Siemens, Erlangen, Germany, are available for a...

Articles : Propulsion
NASA at 60: Celebrating Success

Over the past 60 years, NASA scientists and engineers have developed many advanced technologies and processes. But NASA has also partnered with industry, using commercially available products to complete its missions. Here, some of those companies join NASA in celebrating these collaborative successes.

INSIDER : RF & Microwave Electronics
Merging Antenna and Electronics Boosts Energy and Spectrum Efficiency

By integrating the design of antenna and electronics, researchers have boosted the energy and spectrum efficiency for a new class of millimeter wave transmitters, allowing...

Briefs : Aerospace
Multi-Layer Wireless Sensor Construct for Use at Electrically Conductive Material Surfaces

NASA's Langley Research Center has developed a SansEC Sensor technology for use with aerospace fuel delivery systems. The SansEC technology is a...

Briefs : Test & Measurement
Correcting the Antenna Temperature of an Earth-Observing Microwave Instrument for Extraterrestrial Contamination

Microwave antennas deployed for spaceborne radiometers are diffraction-limited, with typical beam efficiency of about 90%, and provide relatively poor selectivity against radiation from celestial bodies (Moon, Sun, galaxy) when they...

Briefs : RF & Microwave Electronics
Cup Cylindrical Waveguide Antenna

NASA Glenn’s cup cylindrical waveguide antenna (CCWA) is a short backfire microwave antenna capable of simultaneously supporting the transmission or reception of two distinct signals having opposite...

Briefs : Electronics & Computers
Remote Detection of Electronic Devices

Non-Linear Junction Detection is a well-known technique for detecting electronics that utilize semiconductor (solid-state) junctions. The current state of the art for finding hidden electronics — such as electronic eavesdropping devices — using this technology has a maximum range of about 2 m, and more...

Briefs : Propulsion
Efficient Packaging Process for One-Piece Deployable Thin Membrane

NASA’s Marshall Space Flight Center is building a small CubeSat that uses an 85-m2 solar sail deployed from a central location to capture the push of photons...

INSIDER : Communications
Radar Sees Through Walls – By Seeking Symmetry
Using a narrow band of microwave frequencies, researchers at Duke University found a new way to see on the other side of the wall.
Articles : Defense
Products of Tomorrow: December 2017

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Articles : Electronics & Computers
Self-Powered Wireless Sensors in the Industrial Internet of Things

Sensors have a key role in industrial production. For example, they can be used for quality and process monitoring or condition-based maintenance. The range of applications is large and is evolving even further, largely due to the increasing use of self-powered wireless sensors...

News : Communications
Technology Powers Implants Wirelessly Via Ultrasound

Scientists have developed a demonstrator that powers active implants wirelessly via ultrasound. Ultrasound waves have a broader range in the body, and they penetrate the implant’s metal casing more easily than electromagnetic waves. The ultrasound waves are also capable of bidirectional...

News : 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 nonstop takes a lot of time and mechanical energy. So scanning from a stationary position could speed up...

News : Energy
New Radar Measures Flow Fields for More Intelligent Wind Farms

Texas Tech University scientists have brought the wind power industry one step closer to its potential with the creation of a system to measure wind flow and control turbine-to-turbine interaction for maximum power generation.

News : Imaging
New Algorithm Reveals Underground Water Levels

Researchers from Stanford University have used satellite data and a new computer algorithm to gauge groundwater levels in Colorado’s San Luis Valley agricultural basin. The technique "fills in" underground water levels in areas where quality data had been previously unavailable.

News : 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 will help NASA improve aviation emergency response times. The test is part of a push to bolster the...

Briefs : RF & Microwave Electronics
E-Textile Interconnect

E-textiles have shown great promise within the microwave and antenna community to provide a low-mass, highly conformal option that integrates extremely well with fabric-based microwave devices and antenna platforms, but often not as well with more conventional devices.

Briefs : Communications
E-Textile Antenna Tuning Stitches

A variety of antenna tuning techniques exist for conventionally constructed antenna structures, such that when an antenna is converted from a design to an actual fabricated structure, slight adjustments can be made to the fabricated structure to match the performance expected from the design. For microstrip...

News : RF & Microwave Electronics
Sensor Uses Radio Waves to Detect Subtle Pressure Changes

Stanford engineers have invented a wireless pressure sensor that has already been used to measure brain pressure in lab mice with brain injuries. The underlying technology has such broad potential that it could one day be used to create skin-like materials that can sense pressure, leading...

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