Keyword: Radio frequency

Articles: Mechanical & Fluid Systems
By enabling distributed system architectures, SFF systems and subsystems solve many of the toughest problems facing embedded system designers.
Briefs: Photonics/Optics
Applying an iterative solution to the Maxwell equations may accommodate the nonlinear effects produced by directed energy weapons.
Articles: Test & Measurement
As radar and electronic warfare systems contend with an increasingly crowded environment, recording tests, interactions, and conflicts provide valuable insight.
Articles: RF & Microwave Electronics
Is RF engineering a form of black magic? Learn about the challenges in developing a low noise amplifier (LNA) for the aerospace market.
Articles: RF & Microwave Electronics
A phenomenon called “Sporadic E” naturally occurs in the upper atmosphere and disrupts radio waves.
Articles: RF & Microwave Electronics
Channelization has made it possible to use one radio receiver to listen to many different radio stations simultaneously.
Articles: RF & Microwave Electronics
See the trends today that are helping satcom design engineers meet the data demands of their military and aerospace clients.
Articles: RF & Microwave Electronics

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
Wireless communications is a broad market and PAs fill a wide array of those applications.
Articles: Communications
The MPM has uses in military aerospace applications.
Articles: Defense

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

Articles: Test & Measurement

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: Test & Measurement

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: RF & Microwave Electronics

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

Articles: Defense

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

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
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: Aerospace

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
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: Aerospace

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: Photonics/Optics

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: Aerospace

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

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: Defense

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: Defense

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...

Articles: RF & Microwave Electronics

For decades, military aircraft have relied on electronic warfare (EW) solutions to protect assets and dominate airspace. The ability of the United States to detect and track...

Articles: Aerospace

Challenging Einstein’s seminal theory of relativity to the limits, how the very first stars and galaxies formed just after the Big Bang, the study of dark energy and the...

Articles: Aerospace

Microwave radiometers measure temperature, water vapor, and cloud ice in the atmosphere, since oxygen and water vapor naturally emit signals in the microwave portion of the...

Articles: Aerospace

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