Keyword: Radio equipment

Briefs: RF & Microwave Electronics
A technology uses a combination of WiFi signals and accelerometer technology to track devices in near-real-time.
Briefs: Energy

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...

Briefs: Communications
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...

Articles: Electronics & Computers
While most cars today run on 12-volt DC batteries, cars in the future will run on 48 volts. This increased voltage could affect ball bearing performance.
Briefs: Imaging

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...

Briefs: Communications
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: Software
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...

Briefs: Aerospace

A current-steering digital-to-analog converter (DAC) was developed that achieves improved switching times (up to 75% faster) in high-speed (gigahertz), high-resolution (8-14...

Briefs: RF & Microwave Electronics

GPS signals do not penetrate very deeply or at all in water, soil, or building walls, and therefore can’t be used by submarines or in underground activities such as surveying mines. GPS also...

Briefs: Communications
Signal Combiner for Wideband Communication

NASA’s Glenn Research Center has devised an efficient new method of combining primary and secondary signals with minimal loss and noise. With its ability to reduce system noise, this novel signal combiner delivers the best opportunity to receive a desired signal not easily distinguished from...

Briefs: Imaging

Innovators at NASA’s Glenn Research Center have developed a hybrid telescope antenna system — Teletenna — to deliver high-data-rate communication over great distances. Teletenna has...

Briefs: RF & Microwave Electronics

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...

Briefs: Medical

Printable metal tags have been developed that could be attached to everyday objects to turn them into “smart” Internet of Things (IoT) devices. The tags are made from...

5 Ws: Manufacturing & Prototyping
Who

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

Briefs: Mechanical & Fluid Systems
Piezoelectric Resonator with Two Layers

Microelectromechanical systems (MEMS) filters have advantages in being able to reduce the size, weight, and power required when used as part of electronic systems such as radios; however, MEMS-type filters have limitations. For example, thickness MEMS-type filters (e.g., thickness-extensional mode...

Briefs: RF & Microwave Electronics

The challenge of miniaturizing devices and systems is also achieving a broader dynamic range of detection for small signals such as sound, vibration, and radio...

Briefs: RF & Microwave Electronics

Artificial intelligence (AI) has been used to teach wireless devices to sense people's postures and movement, even from the other side of a wall. RF-Pose uses a neural network to analyze...

Briefs: RF & Microwave Electronics

Today, more than 8 billion devices are connected around the world, including medical devices, wearables, vehicles, and smart household and city technologies. Those devices are vulnerable to...

Briefs: Communications

First responders often have trouble communicating with each other in emergencies. They may use different types of radios, they may be working in rural areas lacking wireless coverage, or they may be...

Articles: Electronics & Computers

Throughout the history of the electronics industry, the old refrain that systems will continuously become faster, simpler, and cheaper has remained true. In the early days of computer vision, a frame...

Facility Focus: Defense

The Air Force Research Laboratory (AFRL), headquartered at Wright-Patterson Air Force Base in Ohio, was formed in October 1997 through the consolidation of four former Air Force laboratories and the Air Force...

Briefs: Mechanical & Fluid Systems

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

Recent findings indicate that frequent, short-term crew exposure to elevated CO2 levels, combined with other physiological impacts of microgravity, may lead to a...

Briefs: Medical

Engineers at the University of California San Diego have developed a miniature, ultra-low power injectable biosensor that could be used for continuous, long-term...

Articles: Aerospace

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...

Briefs: Test & Measurement

For decades, mass spectrometers have offered a relatively fast and highly sensitive way to analyze and detect chemical compounds. But their bulky size has been a hindrance, limiting the in-field potential of the...

Briefs: Sensors/Data Acquisition

Leaders of teams such as first responders must maintain situational awareness to effectively react, coordinate, and respond to circumstances that can often become hazardous. Effective...

Briefs: Energy
High-Power Solid-State Power Amplifier System

NASA Marshall Space Flight Center (MSFC) has developed a High-Power Solid-State Power Amplifier System that combines 1-KW modules (16 amps total) to generate up to 16KW of radio frequency (RF) power from 230 MHz. The NASA device is a first step toward increasing the power of solid-state power amp...

5 Ws: Electronics & Computers
Who

Manufacturers of smaller and smarter computer chips for consumer electronics such as smartphones and tablets, and 3D chips for brain-inspired computing applications.