Electrical, Electronics, and Avionics

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Briefs: Photonics/Optics
In a paper published in the journal Nature Nanotechnology, a team of Caltech engineers reports building a metasurface patterned with miniscule tunable antennas capable of reflecting an incoming beam of optical light to create many sidebands, or channels, of different optical frequencies. Read on to learn more.
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Briefs: Robotics, Automation & Control
For the first time, researchers at The University of Texas at Austin’s Applied Research Laboratories and NASA’s Goddard Space Flight Center have formed a radio interferometer between a GPS antenna and receiver and a large radio telescope. Read on to learn more about the new technique.
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Briefs: Software
To help improve the safety and security of AVs, researchers have devised a novel algorithm designed to mimic an attacking device. The algorithm lets researchers identify areas for improvement in autonomous vehicle security.
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Briefs: Communications
Researchers at the University of Birmingham have developed a new type of high-performance “phase shifter” using a liquid gallium alloy — which varies the phase angle of microwave and millimeter-wave radio signals — for use in advanced phase array antenna systems.
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Briefs: Robotics, Automation & Control
Moving robots demands a lot of energy, and batteries, the typical power source, limit lifetime and raise environmental concerns. Researchers at the University of Washington have now created MilliMobile, a tiny, self-driving robot powered only by surrounding light or radio waves.
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Briefs: Sensors/Data Acquisition
Printed radio frequency (RF) surface acoustic wave (SAW) sensor devices are a promising technology for providing highly reconfigurable, cost-effective, and multi-parameter sensing.
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Briefs: Design
Innovators from the NASA Glenn Research Center developed a software-based automated RFI mitigation system to increase communication reliability.
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Briefs: Motion Control
A new robotic system fuses visual information and radio-frequency signals to efficiently find hidden items buried under a pile of objects.
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Articles: Green Design & Manufacturing
Some of the hardest to detect cyber-attacks are wireless, including man-in-the-middle attacks and rogue access points.
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Briefs: Imaging
The design produces a compact, efficient, long-lifetime laser transmitter as needed for use in space, while also having potential applications as an airborne or ground-based wind measurement tool.
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Briefs: RF & Microwave Electronics
The new NIST instrument captures waves in action by relying on a device known as an optical interferometer.
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Articles: Communications
Satellite radio communication is widely used in industry and government for high-bandwidth data transfers.
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Briefs: Sensors/Data Acquisition
Researchers have developed a robot that uses radio waves, which can pass through walls, to sense occluded objects. The robot, called RF-Grasp, combines this powerful sensing with more traditional computer vision to...
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NASA Spinoff: Photonics/Optics
NASA’ Deep Space Network (DSN), a sort of GPS system for space, relies on atomic clocks for extreme accuracy. Any modern navigation system must accurately time radio signals to triangulate a location....
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Briefs: RF & Microwave Electronics
Inside every cellphone lies a tiny mechanical heart, beating several billion times a second. These micromechanical resonators play an...
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Q&A: Semiconductors & ICs
Professor Jiwoong Park and his team have made a material that is crystalline in the X-Y direction, but amorphous in the Z direction.
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Briefs: Photonics/Optics
This is a novel remote sensing instrument with myriad applications.
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Briefs: RF & Microwave Electronics
This robotic arm fuses data from a camera and antenna to locate and retrieve items buried under piles and completely out of view.
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Briefs: Energy
The electricity can be used to power wireless devices or to charge energy storage devices such as batteries and supercapacitors.
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Briefs: RF & Microwave Electronics
This method could help firefighters find victims inside buildings and could track hypersonic objects such as missiles and space debris.
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Briefs: Mechanical & Fluid Systems
Synthesis of fiber-metal laminates is performed using RF plasma spray deposition.
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Briefs: Electronics & Computers
An atom-based sensor can determine the direction of an incoming radio signal.
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Articles: Electronics & Computers
Water-sensing smartphone screens, a NASA-developed RF switch, and an ultrasound patch.
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Briefs: Electronics & Computers
The flexible antenna was designed for active aeronautical satellite communications.
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Technology Leaders: AR/AI
AI will only reach its full potential when it can be fed with a constant stream of data from a plentitude of diverse sources.
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Briefs: Mechanical & Fluid Systems
This work could lead to much more robust devices that continue to operate in spite of damage.
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Articles: Imaging
Learn about the benefits of SWIR imaging, from food inspection to surveillance.
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Briefs: Weapons Systems
This system enables battery-free ocean exploration with applications ranging from marine conservation to aquaculture.
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Briefs: RF & Microwave Electronics
This transceiver for wireless communications at the 300-GHz band enables beyond-5G applications.
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