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Articles
Communications

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
Information Technology

What is Pulse Shaping?

Pulse shaping, as it is done today, is an effort to fix fidelity issues caused by the transmitting amplifier and is accomplished by a combination of imperfect methods, most external to the amplifier. This article...

Articles
RF & Microwave Electronics

RF Technology Helps Connect Avionics Systems

A modular connector system provides smaller, lighter interconnections for denser, more tightly packed avionics systems.

Articles
AR/AI

Monitor Your Spectrum for Signs of Threats

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

Articles
Mechanical & Fluid Systems

Migrating Advanced Signal Processing Technology to Rugged SFF Platforms

By enabling distributed system architectures, SFF systems and subsystems solve many of the toughest problems facing embedded system designers.

Articles
RF & Microwave Electronics

Radar Recording Proves Next-Level System Performance

As radar and electronic warfare systems contend with an increasingly crowded environment, recording tests, interactions, and conflicts provide valuable insight.

Briefs
RF & Microwave Electronics

Nonlinear Effects in Transformation Optics-Based Metamaterial Shields for Counter Directed Energy Weapon Defense

Applying an iterative solution to the Maxwell equations may accommodate the nonlinear effects produced by directed energy weapons.

Articles
RF & Microwave Electronics

A Comprehensive Way to Use Bonding to Improve RF Performance of Low Noise Amplifiers

Is RF engineering a form of black magic? Learn about the challenges in developing a low noise amplifier (LNA) for the aerospace market.

Articles
Aerospace

Replacing Multiple RF Receivers with Just One Using Channelization

Channelization has made it possible to use one radio receiver to listen to many different radio stations simultaneously.

Articles
RF & Microwave Electronics

Air Force Technology Tracks “Sporadic E”

A phenomenon called “Sporadic E” naturally occurs in the upper atmosphere and disrupts radio waves.

Articles
Communications

Four RF Technology Trends You Need to Know for Satellite Communication Device Design

See the trends today that are helping satcom design engineers meet the data demands of their military and aerospace clients.

Articles
Aerospace

Army Advances Materials for New Low-Profile Antenna

Army scientists have developed a first-of-its-kind antenna that could change how ground vehicles and airborne systems communicate, transmit, and receive radio frequency communications.

Articles
Electronics & Computers

90° Hybrid Coupled Power Amplifier – Pros and Cons

Wireless communications is a broad market and PAs fill a wide array of those applications.

Articles
Communications

Solid-State Microwave Power Module

The MPM has uses in military aerospace applications.

Articles
Sensors/Data Acquisition

Shape-Shifting Origami Could Help Antenna Systems Adapt On-the-Fly

Conventional reconfigurable electrical and radio frequency (RF) structures commonly used in applications involving real-time reconfigurability in response to fast varying...

Articles
Test & Measurement

Multi-Agent RF Propagation Simulator

A desirable interface between multi-agents is through over-the-air RF connections that include not only the intended direct RF communications paths but also highly variable multi-ray propagation, range...

Articles
Electronics & Computers

Understanding the “Black Art” of RF and Microwave Switching

Understanding RF, especially microwave switching, can be a challenge. In many cases, test systems have been compromised because a test engineer did not consider all the...

Articles
Weapons Systems

Hardware Design of a High Dynamic Range Radio Frequency (RF) Harmonic Measurement System

Radio frequency (RF) circuit elements that are traditionally considered to be linear frequently exhibit nonlinear properties that affect the intended...

Articles
Electronics & Computers

Bringing RF into the Embedded World: It's Time

Embedded systems have been almost entirely digital throughout their long history, while RF and microwave technologies were separate subsystems with no effective interface between the two. For...

Articles
Photonics/Optics

Laser-Based System Could Expand Space-to-Ground Communication

A new research project announced recently as a collaboration between the Georgia Institute of Technology and satellite communications provider Xenesis could help open the...

Application Briefs
Aerospace

Digital Radar Warning Receiver

Northrop Grumman Corporation
Falls Church, VA
703-280-2900
www.northropgrumman.com

Northrop Grumman Corporation recently received a $124.7 million award for production of AN/APR-39D(V)2 digital...

Articles
RF & Microwave Electronics

First Air-Worthy Metal-Printed RF Filter Ready for Takeoff

Within the aerospace industry, 2016 and onwards could be looked upon as the tipping point for direct metal printing (DMP), as the technology increasingly made the jump beyond...

Application Briefs
RF & Microwave Electronics

Counter UAV System

SteekRock UAV
London, UK
+44 (0) 20 7491 8186
www.sruav.co.uk

The use of unmanned aerial vehicles (UAVs) is one of the most significant technological developments in the last decade. However, where once...

Articles
RF & Microwave Electronics

NASA CubeSats: Pushing the Boundaries of Technology

NASA’s Small Spacecraft Technology Program is on the countdown clock to advance communications and proximity maneuvering capabilities for CubeSats with the Integrated Solar Array and...

Articles
Test & Measurement

Identifying and Isolating Signals Using Radio Frequency Photonics

A single antenna can be used for both transmission and reception. To accomplish this, the transmission must be isolated from the reception. In Figure 1, a radio frequency...

Articles
Test & Measurement

Test System Ensures Flawless Performance of Military RF Devices

Communication on the battlefield is a life-or-death matter. You can't take chances with RF devices or power units malfunctioning or failing. A soldier's life may depend on...

Articles
Aerospace

NASA Miniaturizes Century-Old Radio Sounder Technology

A century-old technology that scientists use to probe the ionosphere — the important atmospheric layer that can interfere with the transmission of radio waves — is getting...

Articles
Aerospace

Microwave Photonic Notch Filter

Interference mitigation is crucial in modern radio frequency (RF) communications systems with dynamically changing operating frequencies, such as cognitive radios, modern military radar, and electronic warfare...

Articles
Aerospace

Cassini Stays in Touch with NASA's Radio Science Subsystem

After almost 20 years in space, NASA's Cassini spacecraft begins the final chapter of its remarkable story of exploration. From now until September, Cassini will undertake a set of...