Electrical, Electronics, and Avionics

Antennas

Stories

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Briefs: RF & Microwave Electronics
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
Innovators at the NASA Glenn Research Center have developed the PLGRM system, which allows an installed antenna to be characterized in an aircraft hangar. All PLGRM components can be packed onto pallets, shipped, and easily operated.
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Briefs: RF & Microwave Electronics
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: Manned Systems
NASA's newly developed antenna is lightweight (at or below 2 grams), low volume (at or below 1.2 cm3), and low stowage thickness (approx. 0.7 mm), all while delivering high performance (at or above 10 dBi gain).
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Briefs: Connectivity
A new paper on wireless connectivity from researchers at the lab of Dinesh Bharadia, an affiliate of the UC San Diego Qualcomm Institute (QI), introduces a new technique for increasing access to the 5G-and-beyond millimeter wave (mmWave) network.
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Briefs: IoMT
Innovators at NASA Johnson Space Center have developed a quarter-wavelength RFID slot antenna that provides polarization diversity and employs dual resonances, but in a form factor that is much smaller than other RFID antennas that provide similar functionality.
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Briefs: Robotics, Automation & Control
Portable Laser-Guided Robotic Metrology
Innovators at the NASA Glenn Research Center have developed the PLGRM system, which allows an installed antenna to be characterized in an aircraft hangar. All PLGRM components can be packed onto pallets, shipped, and easily operated.
Briefs: Robotics, Automation & Control
A team of MIT engineers is designing a kit of universal robotic parts that an astronaut could easily mix and match to rapidly configure different robot “species” to fit various lunar missions.
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Briefs: Robotics, Automation & Control
In-space and planetary surface assembly for human exploration is a challenging domain that encompasses various technological thrusts to support human missions.
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Briefs: Robotics, Automation & 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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Briefs: Manufacturing & Prototyping
The technology allows for higher surface conductivity, improved impedance control, expanded design and application potential, and greater choice of materials for optimized performance.
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Articles: Imaging
This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow.
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Briefs: Robotics, Automation & Control
In-space and planetary surface assembly for human exploration is a challenging domain that encompasses various technological thrusts to support human missions. NASA is developing autonomous assembly agents to...
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Briefs: Electronics & Computers
Engineers have added a new capability to electronic microchips: flight. About the size of a grain of sand, the new flying microchip (microflier) does not have a motor or engine. Instead, it catches...
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Briefs: RF & Microwave Electronics
Researchers have created a device that enables them to electronically steer and focus a beam of terahertz electromagnetic energy with extreme precision....
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Articles: Materials
Breath-regulating garments, humidity sensors, thin-film antennas, and more.
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Briefs: Manufacturing & Prototyping
Applications include manufacturing/assembly line tracking, industrial transportation and logistics, and healthcare.
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Briefs: RF & Microwave Electronics
The phased array antenna based on large-area electronics technology could enable many uses of emerging 5G and 6G wireless networks.
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Technology Leaders: Test & Measurement
Easy-to-use reverberation test systems (RTS) measure the performance of wireless devices and antennas.
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Briefs: AR/AI
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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Articles: Aerospace
Nanotube fibers that turn heat to power; a NASA antenna system; and an antimicrobial coating.
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Briefs: Photonics/Optics
These antennas dramatically increase the amount of information that can be simultaneously transmitted by a coherent light source.
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Briefs: RF & Microwave Electronics
The flexible antenna was designed for active aeronautical satellite communications.
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Briefs: Mechanical & Fluid Systems
The machines fold themselves within 100 milliseconds and can flatten and refold thousands of times.
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Articles: Materials
Highly purified, low-outgassing silicones prevent material degradation in satellites and space vehicles.
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Briefs: Photonics/Optics
The improved rectennas could operate low-power devices such as temperature sensors.
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Briefs: RF & Microwave Electronics
While this technology was designed for CubeSats, it may be utilized in any technology that utilizes a structural frame, such as drones.
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Briefs: RF & Microwave Electronics
Toroidal Radiation Pattern Patch Antenna
The antenna is designed for use in extreme conditions such as outer space.
Briefs: RF & Microwave Electronics
Any high-performance communication systems operating in RF or optical frequencies may benefit from this system.
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