Articles: RF & Microwave Electronics
Fast-Tracking Autonomous Vehicles with Simulation

Artificial intelligence developments are set to fundamentally transform mobility, whether it is mobility of weapon payloads, supply deliveries, urban commuters, warehouse goods,...

Iowa State University tested slabs of electrically conductive concrete at Des Moines International Airport. The test slabs are made up of 1 percent carbon fiber and a special mix of...

ANAHEIM, CA. During last week’s SPIE Defense + Commercial Sensing 2017 conference, panelists from industry, academia, and government demonstrated how miniaturized sensing platforms,...

The purpose of this research program was to create and study novel luminescence particles (phosphors} capable of sensing and retaining the time-temperature information to which they were...

The Dempster-Shafer (D-S) mass function is used in effect as a common representation of heterogeneous sensor data. In order to cast each data source in this form, first the raw...

Briefs: Aerospace
Using Fisher Information Criteria for Chemical Sensor Selection via Convex Optimization Methods

The design of chemical sensor arrays from the standpoint of chemical sensor selection and error quantification has historically proceeded as an ad hoc process. Frequently, chemical sensors are developed not as general purpose sensing devices, but as...

Near-field radiation patterns are useful in diagnosing antenna array defects, measuring far-field antenna patterns where the far-field is prohibitively...

The primary metrics that prohibit the use of microelectromechanical systems (MEMS) gyroscopes for navigation-grade inertial navigation units (IMUs) are angle...

The military embedded computing landscape has been transformed from where it was 20 years ago — and that has been almost entirely enabled by the ability of prime contractors, systems...

A laser-guided navigation sensor that could help future rovers make safe, precise landings on Mars or destinations beyond was developed at NASA’s Langley...

Conventionally, most autonomous mobile nodes, including unmanned aerial vehicles (UAVs), are operated remotely by human operators. As such, forming a mobile communication network...

Articles: RF & Microwave Electronics
Curled RF MEMS Switches For On-Chip Design

Microelectromechanical system (MEMS) switches are active components in most electronic equipment. Radio frequency (RF) MEMS are used in wireless personal communication devices, satellite...

Products: Sensors/Data Acquisition
InGaAs Imaging Sensor

New Imaging Technologies (Verrières le Buisson, France) introduces the NSC1401, a new analog wide dynamic range InGaAs sensor series in 320x256 pixels (QVGA). The NSC1401 uses a new generation of ROIC with 320x256...

LIDAR is a partial 3D standoff sensing method that illuminates a target with rotatory or flash laser beams, analyzes the reflected lights, and provides both the distance...

Briefs: Sensors/Data Acquisition
Advanced Sensors for Traumatic Brain Injury (TBI)

The objective of this work was to use miniaturized, state-of-the-art pressure/temperature sensors engineered at Lawrence Livermore National Laboratory (LLNL) to measure the immediate...

This work focused on developing novel nano-sized thermal sensors based on a multifunctional core/shell and nano-channel design that can be used to measure...

Monitoring trace gases is of great importance in a wide range of applications. Detecting a diverse range of chemical agents requires an adaptable sensor...

As defense systems continue to shrink, corresponding thermal management concerns expand exponentially. Designers have learned that overheating can be the downfall of even the most...

Articles: Sensors/Data Acquisition
Fighting for Life in Military Markets

Visits to the Seville headquarters of Airbus Defence & Space (Airbus DS) have often reflected stormy prospects for the company’s large-capacity A400M Atlas transport, which has suffered cost...

A new system that uses a wireless implant has been shown to record – for the first time – how brain tissue deforms when subjected to the kind of shock that causes blast-induced...

NASA Spinoff: RF & Microwave Electronics
Radio Relays Improve Wireless Products

In order to transmit communications through Earth’s atmosphere, satellites and space vehicles need radio equipment that can operate at higher frequencies than on Earth. These higher frequencies, until...

The Navy is developing a vehicle mounted directed energy (DE) weapon system in their Ground Based Air Defense (GBAD) Directed Energy On-The-Move (OTM) program. As part of...

Products: Defense
In-Flight Ice Sensor

New Avionics Corp (Ft Lauderdale, FL) has introduced its next- generation new Ice*Meister™ Model 9732-PLASTIC ice detecting sensor for aircraft. Consisting of a probe, housing, circuit board, and lightweight blue...

Microelectromechanical systems (MEMS) three-axis acceleration threshold sensors have been developed to measure acceleration threshold levels using voltage switching when the...

The need for a high-bandwidth communication link to carry multiple video channels from a mobile robot (unmanned ground vehicle, or UGV) back to a control station requires using high-frequency RF...

Many challenges still persist in the area of autonomous (and even semi-autonomous) vehicle navigation for unmanned ground vehicles (UGVs). One challenge is in detecting and...

Microelectromechanical system (MEMS) three-axis acceleration threshold sensors have been developed to measure acceleration threshold levels using voltage switching when...

Suspicious powder incidents continue to be a disruptive and costly problem. In-situ assessment of suspicious powders within inorganic matrices, particularly with powders of...

Briefs: Electronics & Computers
Isotope Beta-Battery Approaches for Long-Lived Sensors

The energy density of isotopes exceeds that of chemical energy storage by six orders of magnitude. Isotopes are used in many commercial applications, and are produced and available at modest prices. The power requirements of many sensors and communications equipment can greatly reduce the...

Videos