Keyword: Radar

Briefs: Aerospace
The system uses infrasonic acoustics for weather monitoring and for drone or UAV activity.
Briefs: Sensors/Data Acquisition
Mobile radar devices could replace standard stethoscopes.
Articles: Test & Measurement
These 12 products are the nominees for the 2020 Tech Briefs Readers’ Choice Product of the Year.
Briefs: Sensors/Data Acquisition
Using radar commonly deployed to track speeders and fastballs, the automated system “sees” around corners to spot oncoming traffic and pedestrians.
Briefs: RF & Microwave Electronics
These non-reciprocal devices on a compact chip pave the way for applications from two-way wireless to quantum computing.
Briefs: Automotive
This technique offers enhanced resolution and improved system reliability for mapping and obstacle recognition and navigation for vehicles.
Briefs: Communications
Using integrated photonic chips fabricated at EPFL, scientists have demonstrated laser-based microwave generators.
Briefs: Photonics/Optics

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

Briefs: Green Design & Manufacturing
Hyperfine Interpolated Range Finding for CW Lidar, Radar, and Sonar Using Repeating Waveforms and Fourier Transform Reordering

NASA's Langley Research Center has developed a novel fine interpolation technique that is useful in signal processing for applications in lidar, sonar, radar, and similar modalities. The interpolation technique uses...

Briefs: Aerospace

The Federal Aviation Administration (FAA) averages more than 100 reports a month of interactions between unmanned aircraft systems (UAS) and commercial or private planes. For UAS to fly in...

Briefs: Electronics & Computers

Vanadium dioxide’s unique properties make it ideally suited for outperforming silicon and giving rise to a new generation of low-power electronic devices. This compound can...

Briefs: Sensors/Data Acquisition

Wind power has become an indispensable part of an environmentally friendly power supply. Therefore, it is important for this growth market that wind turbines become more efficient, more...

Briefs: Communications

A new high-isolation RF circulator provides enhanced detection ranges (radar) and improved reception (communications) by reducing signal leakage and undesirable internal reflections between...

Briefs: Electronics & Computers
Device for and Method of Computer Intrusion Anticipation, Detection, and Remediation

Initially, relatively powerful computers were constructed as unique mainframes operated by larger corporations on isolated networks. Then, computers with modest amounts of computing power were made available to individuals as standalone personal computers. The...

Briefs: Aerospace

Although unmanned aerial systems (UAS) have proven increasingly useful in a variety of applications, their widespread usage within the National Airspace System is limited because of regulatory...

Briefs: Software
Python Interface to Dual-Pol Radar Algorithms (DualPol)

This object-oriented Python module facilitates precipitation retrievals (e.g., hydrometeor type, precipitation rate, precipitation mass, particle size distribution) from polarimetric radar data. It leverages existing open-source radar software packages to perform all-in-one retrievals that...

Briefs: Photonics/Optics

NASA Goddard Space Flight Center has developed a new radar approach that uses a single phased array antenna and a single-pass configuration to generate interferograms, known as Digital Beamforming...

Briefs: Sensors/Data Acquisition
Briefs: Green Design & Manufacturing
Three-Band Cloud and Precipitation Radar

After many years of use of Tropical Rainfall Measurement Mission (TRMM) and CloudSat data, focus groups within the cloud and precipitation science community produced requirements for the next generation of missions. The first draft of Aerosol-Cloud-Ecosystem mission requirements was formalized in 2009,...

Briefs: Photonics/Optics

NASA's Langley Research Center has made a breakthrough improvement in laser frequency modulation. Frequency modulation technology has been used for surface...

Application Briefs: Photonics/Optics

NASA’s Langley Research Center has made a breakthrough improvement in laser frequency modulation. Frequency modulation technology has been used for surface...

Briefs: Test & Measurement

NASA’s Langley Research Center has developed a novel method for long-range atmospheric pressure sensing. Based on known properties involving oxygen density, the technology is able to...

Briefs: Electronics & Computers
A High-Efficiency Power Module

Innovators at NASA’s Glenn Research Center have developed a microwave power module to power radar, communications, and/or navigation interchangeably. This high-efficiency, all-solid-state microwave power module (MPM) is based on a multi-stage distributed-amplifier design, which is capable of very wideband...

Articles: Aerospace

When global food prices spiked dramatically in late 2007 and into 2008, with the costs of many basic dietary staples doubling or even tripling, protests and riots...

Articles: Robotics, Automation & Control

Modern satellites use motors for many purposes — moving solar panels for optimum alignment to the Sun; moving reaction wheels to change the...

Briefs: Software
High-Fidelity 3D Electromagnetic (E&M) Propagation Modeling Tools

For a future potential radar sounder mission to small celestial bodies like comets and asteroids, it is important to understand the interaction between propagating waves and interior geophysical structures. In general, it is not easy to build a software model capable of handling...

Briefs: Aerospace

The legacy SeaWinds scatterometer radar needed to be interfaced to the International Space Station (ISS) without any modifications. It had been designed to fly on the Adeos II spacecraft. An interface to...

Application Briefs: Photonics/Optics

The “always-true” use case for 360º vision systems is to avoid blind spots. Blind spots are a byproduct of conventional cameras. They have a limited field of view and they only see in the...

INSIDER: Electronics & Computers

A new highly efficient power amplifier for electronics could help make possible next-generation cell phones, low-cost collision-avoidance radar for cars and lightweight...