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Briefs
Test & Measurement

Topology Control in Aerial Multi-Beam Directional Networks

In multi-beam directional networks, nodes are able to simultaneously transmit to all neighbors or receive from all neighbors. This spatial reuse allows for high throughputs, but in dense networks can cause significant interference. Topology control (i.e., selecting a subset of neighbors to...

Products
Aerospace

New Products

Measurement Software Hexagon Manufacturing Intelligence (North Kingstown, RI) has launched PC-DMIS 2017 R2, the latest edition of their popular measurement software. This is the second of two major releases scheduled for PC-DMIS...

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Articles
Aerospace

Radiation Tolerant “Smart Backplanes” for Spacecraft Avionics

In recent years there has been a trend towards the wider use of COTS (Commercial Off The Shelf) equipment in space missions. This trend has been mainly driven by the...

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Articles
RF & Microwave Electronics

On-Orbit Satellite Refueling Flow Measurement

Over 7000 satellites have been placed in Earth-orbit since the beginning of the space age. 3000 are currently in orbit, of which 1000 are active, making our near space neighborhood a pretty crowded...

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Articles
Aerospace

Eliminating Electrical Arcing in Satellite Systems

In 1995, Boeing Satellite Systems introduced a new family of communication satellite buses, with bodies that contain power, control, and propulsion systems. They used a high-voltage bus...

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Articles
Sensors/Data Acquisition

Developing an Airborne Optical Systems Testbed (AOSTB)

The United States shares 5,525 miles of land border with Canada, and 1,989 miles with Mexico. Monitoring these borders, which is the responsibility of U.S. Customs and Border Protection...

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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 smaller.

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Articles
Aerospace

Using Heat Pipes to Cool Embedded Computers

Heat pipes are a well-known thermal management solution used in computing applications. Nearly all laptop computers contain some number of heat pipes to effectively remove heat from heat generating...

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Articles
Photonics/Optics

Electronically Dimmable Aircraft Windows

That was the challenge posed to Gentex by Boeing. Window shades typically do the job on an airplane, but they’re cumbersome to operate, expensive to maintain, and do little to reflect the hightech...

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Application Briefs
Defense

F-16 Upgrades

SaftLevallois-Peret, France+33 1 58 63 16 00www.saftbatteries.com Saft was recently selected by Aero Vodochody Aerospace, a leading designer and manufacturer of military and civilian aircraft, for engine starting and emergency...

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Application Briefs
Defense

500 Gallon LOX Trailers

Essex Industries, Inc.St. Louis, MO314-832-4500www.essexindustries.com Essex Industries recently received an order from the United States Air Force for 500 Gallon LOX Trailers. Shipment of the 32 trailers was scheduled...

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Application Briefs
Defense

Torpedo Transducer Array/Nose Shell Assembly

Northrop Grumman CorporationFalls Church, VA703-280-2900www.northropgrumman.com The U.S. Navy recently awarded Northrop Grumman Corporation a $9.6 million contract, with options up to $40.5 million,...

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Application Briefs
Photonics/Optics

Missile Test System

Marvin Test SolutionsIrvine, CA949-263-2222www.MarvinTest.com The Indonesian Air Force recently selected Marvin Test Solutions’ MTS-206A Maverick Field Test Set and MTS-916-3 Modular Target Simulator to support testing of...

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Briefs
Materials

Hydrodynamic Drag Force Measurement of a Functionalized Surface Exhibiting Superhydrophobic Properties

With superhydrophobic properties being extended to a variety of metallic substrates through the process of ablation due to femto-second...

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Briefs
Photonics/Optics

High-Power Broadband Multispectral Source on a Hybrid Silicon Chip

For applications in manufacturing, remote sensing, medicine, military, and fundamental science, an ideal laser would have high output power and a diffraction-limited beam. The...

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Briefs
Photonics/Optics

Stimulated Brillouin Scattering (SBS) Suppression and Long Delivery Fibers at the Multikilowatt Level with Chirped Seed Lasers

One obstacle in the scaling of high-power fiber lasers arises because of nonlinear effects (e.g., stimulated...

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Briefs
Photonics/Optics

Erbium Doped GaN Lasers by Optical Pumping

The main objective of this research was to construct an optical pump system that would allow the study of Er:GaN materials under 980 nm resonant excitation to be carried out. The results obtained from...

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Briefs
Photonics/Optics

New Class of Excimer-Pumped Atomic Lasers (XPALS)

The focus of this research program was the investigation of XPAL properties, and new pumping schemes, as well as modeling, and measuring critical photoionization and excited state-excited state...

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Products
Aerospace

New Products

Rugged Data Recorders DTS’ (Seal Beach, CA) ultra-small SLICE MICRO and NANO data recorders are rugged and designed to embed directly in the test article – even small drones. The NANO has a footprint of just 26 × 31 mm....

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Articles
Aerospace

Using System Simulation to Manage Increasing Thermal Loads on Aircraft Fuel Systems

Today’s modern military fighter jets are like “a flying thermos bottle” according to Steve Iden, AFRL Invent Program Manager [1]. Many engineers have been...

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Articles
Aerospace

Ensuring the Compliance of Avionics Software with DO-178C

Given the needs to meet the most stringent requirements for reliability, safety, and security resulting in lengthy software development schedules, aerospace and defense projects have...

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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...

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Articles
Aerospace

The Rapid Rise of Beryllium-Aluminum Alloys in Aerospace

Enhanced performance operating envelopes for aerospace platforms continue to challenge industry limits. Aerospace platform operators demand extreme performance in harsh environments from...

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Articles
Aerospace

Aeroacoustic Simulation Delivers Breakthroughs in Aircraft Noise Reduction

Aircraft manufacturers face increasingly stringent standards for reducing community noise. Conventional aircraft development methods based on engineering experience,...

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Application Briefs
Sensors/Data Acquisition

Hull Vibration Monitoring System

Brüel & KjærNærum, Denmark+45 7741 2000For more info click here BAE Systems has awarded Brüel & Kjær a Design Development Agreement to deliver a Hull Vibration Monitoring System (HVME) for the UK...

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Application Briefs
Defense

Towed Airborne Plume Simulator

Arnold Engineering Development Complex Arnold Air Force Base, TN 931-454-5655For more info click here A team of engineers at AEDC are supporting the continued development and testing of the Towed Airborne Plume...

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Application Briefs
Aerospace

3D Printed Primary Flight Control Component

Liebherr-Aerospace & Transportation SASToulouse, France+49 8381 46 4403For more info click here Airbus recently successfully flew Liebherr-Aerospace's 3D printed spoiler actuator valve block on a...

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Application Briefs
Aerospace

F-16 Upgrades

Lockheed MartinBethesda, MD817-777-6148For more info click here The U.S. Air Force recently authorized extending the service life of the Lockheed Martin F-16's designed service life to 12,000 Equivalent Flight Hours — far beyond...

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Application Briefs
Aerospace

NeXtRAD SDR Interface

Pentek, Inc.Upper Saddle River, NJ201-818-5900For more info click here NeXtRAD is a dual-band, dual-polarization, multistatic radar system under development at the University of Cape Town (UCT) in collaboration with...

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