RF & Microwave Electronics

Access our comprehensive library of technical briefs on RF & microwave electronics, from engineering experts at NASA and major government, university, and commercial laboratories.

Stories

Briefs : Aerospace
Flow Disruption Devices for the Reduction of High Lift System Noise
Flow Disruption Devices for the Reduction of High Lift System Noise
This technique lowers airstream noise generated at the side edges of deployed flaps, elevons, or slats.
Flow Disruption Devices for the Reduction of High Lift System Noise
Briefs : Energy
Wireless Sensor “Stickers” Track Physiological Signals
Wireless Sensor “Stickers” Track Physiological Signals
These stickers wirelessly beam health readings to a receiver clipped onto clothing.
Wireless Sensor “Stickers” Track Physiological Signals
Briefs : Imaging
Robot Performs Complex Maneuvers
Robot Performs Complex Maneuvers
An upgraded mini robot can leap over obstacles with ease.
Robot Performs Complex Maneuvers
Briefs : Sensors/Data Acquisition
Sandia’s Nanoantennas Help Detectors See More Heat, Less Noise
Sandia’s Nanoantennas Help Detectors See More Heat, Less Noise
A nanoantenna-enabled detector boosts the usable signal of a thermal infrared camera by up to three times.
Sandia’s Nanoantennas Help Detectors See More Heat, Less Noise
Briefs : IoMT
Wirelessly Controlled Ingestible Capsule
Wirelessly Controlled Ingestible Capsule
This electronic pill can relay diagnostic information or release drugs in response to smartphone commands.
Wirelessly Controlled Ingestible Capsule
Briefs : Sensors/Data Acquisition
WiFi-Based Technique Measures Speed and Distance of Indoor Movement
WiFi-Based Technique Measures Speed and Distance of Indoor Movement
A technology uses a combination of WiFi signals and accelerometer technology to track devices in near-real-time.
WiFi-Based Technique Measures Speed and Distance of Indoor Movement
Briefs : Sensors/Data Acquisition
Low-Bandwidth Radar Technology Provides Improved Detection of Objects
Low-Bandwidth Radar Technology Provides Improved Detection of Objects

Radar technologies were originally designed to identify and track airborne military targets. Today, they're more often used to detect motor vehicles, weather formations,...

Low-Bandwidth Radar Technology Provides Improved Detection of Objects
Briefs : Aerospace
Enhanced Radio Frequency Identification (RFID) Reader
Enhanced Radio Frequency Identification (RFID) Reader
The reader uses a frequency multiplexer to boost its ability to accurately locate a greater number of RFID tags.
Enhanced Radio Frequency Identification (RFID) Reader
Briefs : Internet of Things
Photovoltaic-Powered Sensors
Photovoltaic-Powered Sensors
RFID-based devices work in indoor and outdoor lighting conditions and could transmit data for years before they need to be replaced.
Photovoltaic-Powered Sensors
Briefs : RF & Microwave Electronics
Method Enables Robots to Exchange Directed Messages
Method Enables Robots to Exchange Directed Messages

A novel approach was developed to improve communications range and allow for covert behavior using a team of robots for future multi-domain operations. Specifically, researchers...

Method Enables Robots to Exchange Directed Messages
Briefs : Sensors/Data Acquisition
Battery-Free Sensor for Underwater Use
Battery-Free Sensor for Underwater Use

To investigate oceans, researchers aim to build a submerged network of interconnected sensors that sends data to the surface. Supplying constant power to scores of sensors designed to stay for long...

Battery-Free Sensor for Underwater Use
Briefs : Manufacturing & Prototyping
Passive Smart Container
Passive Smart Container

Although Radio Frequency Identification (RFID) technology is being used widely for pallet and box-level tracking in the commercial sector, significant technology gaps remain for tracking dense quantities at the item...

Passive Smart Container
Briefs : Manufacturing & Prototyping
Method Produces Three-Dimensional, Curved Electronics
Method Produces Three-Dimensional, Curved Electronics

Contact lenses that can monitor the wearer’s health and correct eyesight use embedded electronics. These, and other curved devices such as solar cells and electronics, could be...

Method Produces Three-Dimensional, Curved Electronics
Briefs : Energy
Wireless Transceiver Quadruples Speed of 5G
Wireless Transceiver Quadruples Speed of 5G

A new wireless transceiver was developed that boosts radio frequencies into 100-gigahertz territory, which is quadruple the speed of the upcoming 5G, or fifth-generation, wireless communications...

Wireless Transceiver Quadruples Speed of 5G
Briefs : Software
Technique Locates Robots and Humans in GPS-Challenged Environments

An algorithm enables localization of humans and robots in areas where GPS is unavailable. The Army needs to be able to localize agents operating in physically complex, unknown, and infrastructure-poor environments. This capability is critical to help find dismounted soldiers and...

Briefs : Manufacturing & Prototyping
Magnetic Metamaterial Amplifies MRI
Magnetic Metamaterial Amplifies MRI

Magnetic resonance imaging (MRI) uses magnetic fields and radio waves to create images of organs and tissues in the human body, helping doctors diagnose potential problems or diseases. Doctors use MRI to...

Magnetic Metamaterial Amplifies MRI
Briefs : Sensors/Data Acquisition
Antenna Near-Field Probe Station Scanner

Antenna characterization techniques are often expensive and time-consuming. NASA’s Glenn Research Center developed a highly versatile and automated system to perform characterization of single or multiple small circuit antennas, printed on-wafer or on other substrates, by measuring the antenna’s...

Briefs : Software
Self-Configurable Radio Receiver System and Method

A self-configurable radio receiver system was developed for relaying communication signals from multiple deep space assets. Most conventional radio receivers are hardwired to receive a specific type of signal and are incapable of receiving other types of signals without preconfiguration...

Briefs : Communications
Terahertz Data Links Without Direct Line of Sight
Terahertz Data Links Without Direct Line of Sight

Today’s cellular networks and Wi-Fi systems rely on microwave radiation to carry data but the demand for more bandwidth is quickly becoming more than microwaves can handle. That has...

Terahertz Data Links Without Direct Line of Sight
Briefs : Data Acquisition
Laser-Pointing System Transmits Data from Tiny Satellites
Laser-Pointing System Transmits Data from Tiny Satellites

Since 1998, almost 2,000 shoebox-sized satellites known as CubeSats have been launched into space. Due to their small frame and the fact that they can be made from off-the-shelf...

Laser-Pointing System Transmits Data from Tiny Satellites
Briefs : Imaging
Optical Distance Measurement at Record-High Speed
Optical Distance Measurement at Record-High Speed

Scientists of Karlsruhe Institute of Technology (KIT) and École Poly-technique Fédérale de Lausanne (EPFL) have reported that they achieved the fastest distance measurement attained so...

Optical Distance Measurement at Record-High Speed
Briefs : Imaging
Multi- and Wide-Band Single-Feed Patch Antenna

A novel patch antenna technology was developed that provides significant benefits to NASA satellite communication applications, offering a unique wide-band/multi-band operating capability. For other non-space applications, the antenna design also offers broadband capability with high gain for...

Briefs : Energy
Compact Antenna Enables Communication Where Radios Fail
Compact Antenna Enables Communication Where Radios Fail

A pocket-sized antenna was developed that could enable mobile communication in situations where conventional radios don’t work such as underwater, through the ground, and over very...

Compact Antenna Enables Communication Where Radios Fail
Briefs : Semiconductors & ICs
Textile Cools or Insulates Automatically
Textile Cools or Insulates Automatically

Researchers have created a fabric that automatically regulates the amount of heat that passes through, depending on conditions; for example, when conditions are warm and moist — such as those of a...

Textile Cools or Insulates Automatically
Briefs : RF & Microwave Electronics
Microfocus, Dual-Energy Imaging System Improves Contaminant Detection

Contamination of food with fragments of bone, metal, glass, or other foreign material is a major concern in the food industry. Current inspection technologies often miss very small fragments embedded in meat or other soft materials or lead to ambiguous results that require...

Briefs : Electronics & Computers
Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices
Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices

Researchers have created technology that is 10 times more reliable than current methods of producing unclonable digital fingerprints that can be used to...

Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices
Briefs : Sensors/Data Acquisition
More Sensitive Measurement of Semiconductor Material Quality
More Sensitive Measurement of Semiconductor Material Quality

Accurately measuring semiconductor properties of materials in small volumes helps engineers determine the range of applications for which these materials may be suitable in the...

More Sensitive Measurement of Semiconductor Material Quality
Briefs : Energy
Aircraft Engine Icing Event Avoidance and Mitigation
Aircraft Engine Icing Event Avoidance and Mitigation

Innovators at NASA’s Glenn Research Center have developed a new means of avoiding and mitigating icing events for aircraft flying above 14,000 feet, dramatically improving aviation...

Aircraft Engine Icing Event Avoidance and Mitigation
Briefs : RF & Microwave Electronics
Breakthrough Could Enable Infrared Cameras for Electronics, Self-Driving Cars
Breakthrough Could Enable Infrared Cameras for Electronics, Self-Driving Cars

There's an entire world our eyes miss, hidden in the ranges of light wavelengths that human eyes can't see. But infrared cameras can pick up this light emitted as...

Breakthrough Could Enable Infrared Cameras for Electronics, Self-Driving Cars
Briefs : Electronics & Computers
Algorithm Predicts How Electromagnetic Waves Interact with Materials at the Smallest Scales

Magnetic materials can attract or repel each other based on their polar orientation — positive and negative ends attract each other, while two positives or two negatives repel. When an electromagnetic signal like a radio wave passes through such...

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