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RF & Microwave Electronics

How to Specify and Select RF Filters

Selecting a filter for an A&D application requires an understanding of available RF filter responses, physical formats, and technologies, with a good idea of necessary functional goals, such as separating channels or rejecting interference.

Application Briefs
Unmanned Systems

Underwater Security System

KnightShield covers medium ranges in ports and detects hostile divers – whether using closed or open breathing apparatus – as well as AUVs, SDVs, DPVs, and UUVs.

INSIDER
Defense

Army Cross-Functional Team Tackles Modernization of Air and Missile Defense

The U.S. Army Futures Command Air and Missile Defense Cross-Functional Team (AMD CFT) based in Fort Sill, Oklahoma, is coordinating and accelerating Army efforts...

Application Briefs
Weapons Systems

Loitering Munition

SPIKE FIRELFY is part of the SPIKE Family of precision guided electrooptical missile systems.

Articles
RF & Microwave Electronics

The Next Generation of Mission-Critical Communications Infrastructure is Here

The critical role of spectrum superiority in the success of battlefield campaigns is evidenced by the enormous investments being made in electronic warfare (EW)...

Articles
RF & Microwave Electronics

Test Strategies to Track Hypersonic Threats

Hypersonic weapons, unlike ballistic missiles, take unpredictable paths and can evade missile defense systems. To counter hypersonic technologies, radar engineers must build systems that have no...

Special Reports
Wearables

RF & Microwave Electronics - May 2022

In this compendium of recent articles from the editors of Aerospace & Defense Technology and Tech Briefs, read about how advances in RF electronics are enabling new applications in avionics systems,...

INSIDER
RF & Microwave Electronics

Low-Cost Radio System Could Help Trace Disease Spread

In efforts to limit the spread of disease while preserving privacy, an interdisciplinary research team at the National Institute of Standards and Technology (NIST) has designed and...

Application Briefs
Sensors/Data Acquisition

Airborne Early Warning and Control Sensor

The 737 Airborne Early Warning & Control (AEW&C) system provides a long-range picture of the battlespace.

Blog
Photonics/Optics

SPIE Photonics West 2022: Reality Versus Virtual Reality

There are some things you just can't do at a virtual trade show. Editor Bruce A. Bennett walks the floor at SPIE Photonics West.

5 Ws
Sensors/Data Acquisition

5 Ws of the Winged Flying Microchip

About the size of a grain of sand, the flying microchip (or microflier) does not have a motor or engine.

Articles
Test & Measurement

Monitor Your Spectrum for Signs of Threats

Spectrum monitoring can detect signs of threats and provide insight into mitigating them.

Application Briefs
RF & Microwave Electronics

Long Range Uncooled Thermal Cameras

The Jaegar provides high levels of camera positioning accuracy.

Application Briefs
Unmanned Systems

Tactical Data Link Software

This was the first UAS application in a Navy exercise for the proven capabilities of LinkPRO software.

Special Reports
Weapons Systems

RF & Microwave Electronics - October 2021

In this compendium of recent articles from the editors of Aerospace & Defense Technology and Tech Briefs, read about how advances in RF electronics are enabling new applications in satellite and...

Briefs
Imaging

High-Resolution, Continuous Field-of-View, Non-Rotating Imaging System

Applications include planetary exploration and imaging systems used in surveillance, navigation, and target recognition.

Briefs
RF & Microwave Electronics

Impact of Satellite Intelligence, Surveillance and Reconnaissance on Modern Naval Operations

Army research is determining if afloat availability of satellite ISR has fundamentally changed naval operations.

News
Imaging

Register Now: Counter UAS Technology 2021

The two-day event highlights cutting-edge products and services designed to protect DoD personnel, equipment, and infrastructure from hostile drones.

Application Briefs
Weapons Systems

All Environment (AE) Unmanned Aircraft System

“The Puma AE unmanned aircraft system enables frontline forces to gather real-time intelligence, surveillance and reconnaissance in any operational environment,” said AeroVironment's Trace Stevenson.

Briefs
Test & Measurement

The Purpose of Mixed-Effects Models in Test and Evaluation

While Defense Test and Evaluation (T&E) is different from agriculture, data attributes can be surprisingly similar.

Products
Mechanical & Fluid Systems

New Products: August 2021 Aerospace & Defense Technology

Coaxial connectors, tactical servers, test benches, surge protectors, and more.

Blog
Imaging

'm-Widar' Uses Radio Waves to Image Hidden Objects

With the help of 12 antennas, Fabio da Silva's m-Widar can spot — and image — objects hidden behind a wall.

Articles
RF & Microwave Electronics

Making Fully Digital Beamforming for Radar and Electronic Warfare Applications a Reality

Learn how passive components inside arrays have evolved to enable fully digital beamforming.

Articles
Weapons Systems

Designing for the Connected Battlespace

Makers of 'Solider as a System' technologies must confront significant bandwidth and size, weight, and power (SWaP) constraints.

Application Briefs
Unmanned Systems

Multi-Sensor Electro-Optic Platform

Silent Sentinel’s offering includes a dual Electro-Optic/Infra-Red camera payload, a laser range finder, and a panoramic surveillance camera.

Briefs
Sensors/Data Acquisition

Feasibility Analysis of UAV Technology to Improve Tactical Surveillance in South Korea’s Rear Area Operations

Experimentation and analysis determined the optimum characteristics of an improved unmanned aerial vehicle (UAV).

Briefs
RF & Microwave Electronics

Stochastic Surveillance and Distributed Coordination

Designing fast and unpredictable motion strategies for robotic surveillance agents in complex environments using Markov chain modeling and optimization methods.

Articles
RF & Microwave Electronics

Defeating Commercial Drone Threats with Software Defined Radio

Drones are useful technology; however, some seek to exploit the technology with bad intent.