Keyword: Noise

Articles: Aerospace
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
Briefs: Aerospace
Understanding what affects acoustic waves propagating in the atmosphere is important for a variety of military applications.
Application Briefs: Imaging
WOLF Advanced Technology
Stouffville, Ontario, Canada
905-852-1163
https://wolfadvancedtechnology.com

WOLF Advanced Technology (“WOLF”) recently announced that NASA has chosen two WOLF video...

Application Briefs: Defense
UVision Air Ltd
Zur Igal, Israel
+972 9 749 6823
www.uvisionuav.com

UVision Air Ltd. — a company that specializes in lethal aerial loitering systems of all sizes — has successfully...

Application Briefs: Aerospace
Brüel & Kjær
Nærum, Denmark
+45 7741 2000
For more info click here

BAE Systems has awarded Brüel & Kjær a Design Development Agreement to deliver a Hull Vibration Monitoring...

Briefs: Sensors/Data Acquisition

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

Articles: Test & Measurement

Whether for multi-channel analysis, or for wider analysis bandwidth in a measurement, high bandwidth oscilloscopes offer an alternative to traditional...

Articles: Defense

From laptops and mobile devices to cars and airplanes, we are seeing near-daily threats to the systems and devices we use. Systems being used and deployed in the aerospace and...

Briefs: Aerospace

US national and many international hearing conservation programs (HCPs) have adopted a noise exposure criterion of 85 dBA for a time-weighted average of 8 hours, with a 3...

Technology Update: Software

Greater fuel efficiency and low emission requirements have grown into such an urgent imperative in aircraft design that it often overshadows an equally significant factor in air...

Briefs: Physical Sciences

Given the current emphasis on sustainability, there is a growing interest in monitoring various facets of building resource consumption. Building monitoring and automation...

Briefs: Information Technology

When working sequences of images, registration of the frames to a common point of reference is an essential prerequisite for many types of image analysis. The phase...

Articles: RF & Microwave Electronics

The Air Force Satellite Control Network (AFSCN) is a worldwide network of ground stations that supports a variety of users from NASA to the National Reconnaissance Office (NRO). The...

Briefs: Physical Sciences
Acoustic Detection Using Reverberation

Acoustic detection of undersea objects is difficult due to the uncertain environment and even more difficult when the objects are buried in the seabed. First, sediments generate high backscattering noise due to heterogeneous scatters within the sediments, clouding the object.

Application Briefs: Test & Measurement

Spectrum measurements are essential to RF and microwave testing. The newer signal analyzers available today deliver performance far better than those of just a few years ago. The...

Briefs: Electronics & Computers

Understanding the differing methods and materials that can be used for producing carbon nanotube (CNT)- based electronic components means an informed use of materials...

Briefs: Photonics/Optics

Analog optical links are finding increased application in commercial and military systems ranging from radio-over-fiber applications, antenna remoting, and...

Briefs: Physical Sciences

The Holloman High Speed Test Track (HHSTT) facility at Holloman Air Force Base (HAFB), NM, has a test section of 1.8 km that contains an artificial rain field...

Briefs: Photonics/Optics

This work is a follow-on to an effort to develop a method using Geiger-mode avalanche photodiode (GM-APD) photon-counting detectors in the U.S. Army Research Laboratory’s chirped amplitude...

Briefs: Photonics/Optics

Aset of equations has been formulated to enable quantification of several aspects of the performance of an analog photonic communication link as affected by laser noise. A procedure for...

Briefs: Physical Sciences
Biologically Inspired Processing of Image and Sound Data

A report describes progress in a research program oriented toward developing artificial-intelligence capabilities for processing images and sounds in changing environments. This research focuses on extending the state of the art in mid-level processing of visual and auditory signals,...

Briefs: Electronics & Computers
Nanowire-Based Chemical and Biological Sensor Arrays

Acontinuing effort that supplements and complements the one summarized in the immediately preceding article is dedicated to the development of nanowire-based sensor arrays, with emphasis on maximizing the utility of such arrays for real-time sensing of molecular species associated with...

Briefs: Photonics/Optics

A program of research and development has been directed toward the goals of demonstrating (1) ultra-low-noise communication links in which information is conveyed by phase-modulated...

Briefs: Medical

In the 1988 movie "Good Morning, Vietnam," character Adrian Cronauer, a Saigon- based military disc jockey, performs an on-air skit in which he contacts an artilleryman in the...