VadaTech (Henderson, NV) offers 40G/10G Layer 3 managed switches for AdvancedTCA (ATCA). Designers can choose throughput levels: 320G, 480G, or 640G. Each slot runs either 40G or 10G. The ATCA switch provides two ports of 40GbE/10GbE to Zone 3 RTM, 13 ports to the Fabric Channel, and one port to the Update Channel. Dual 10G ports route to the RTM (Zone 3). Front panel ports include octal 10/1000/1000 Ethernet, one GbE, and one RS-232 via RJ-45.

Posted in: Products, Aerospace, Defense

Air Data Computer

Curtiss-Wright Corporation (Ashburn, VA) has introduced the Air Data Computer Module (ADCM). Designed and manufactured by Defense Solutions’ Avionics & Electronics business unit, the ADCM provides aircraft avionics designers with a compact, slot-based technology for integrating air data processing directly into their platform’s existing host equipment. The vibrating cylinder sensor technology can be integrated into existing avionics such as Attitude Heading Reference Systems (AHRS), Electronics Flight Instrument Systems (EFIS), Inertial Reference Systems (IRS), or Global Navigation Inertial Reference Systems (GNIRS).

Posted in: Products, Aerospace, Defense

Alleviating Memory and Cache Contention in Safety-Critical Applications

In safety-critical systems, the ability to guarantee that safety-critical tasks have sufficient time to execute is key for system integrity and safe operation. A big challenge facing developers of safety-critical software applications is managing the shared resources of memory and cache to minimize worst case execution times (WCET). On-chip cache allows the processor to run at on-chip memory bus speeds and increases overall compute power when executing from the cache. However, task switching and competition among multiple cores can degrade cache performance and have dramatic impacts on WCET. Benchmarks demonstrate that WCET can be 3 times higher than average-case execution time (ACET) on single-core processors, up to an order of magnitude higher or more on multicore processors.

Posted in: Articles, Aerospace, Aviation, Defense, Computer software / hardware, Safety critical systems

Next-Generation Mobile Tactical Communications

After many years of development and well-publicized budget overruns, the DoD’s Joint Tactical Radio System program (since reorganized and renamed) has recently given birth to a set of handheld voice and data radios — so-called Rifleman radios — built by a number of traditional military radio firms, including Exelis, GD, Harris, and Thales.

Posted in: Articles, Aerospace, Communications, Defense, Radio equipment, Product development

Commercial Programs Are Flying High

Boeing and Airbus can hardly keep up with demand for 150-seat jets, and both have increased their own monthly production rates to well over 40 aircraft, stretching the capacity of the supply chain to the limit.

Posted in: Articles, Aerospace, Aviation, Defense, Commercial aircraft

3-D Manufacturing of Titanium Components Takes Off

With such challenges as base closings, shrinking defense budgets, and sequestration, the worldwide maintenance, repair, and overhaul (MRO) sector is projected to experience a significant decline over the next few years.

Posted in: Articles, Aerospace, Defense, Rapid prototyping, Titanium, Parts

New Technique Could Make Sub-Wavelength Images at Radio Frequencies

Imaging and mapping of electric fields at radio frequencies (RF) currently requires the use of metallic structures such as dipoles, probes, and reference antennas. To make such measurements efficiently, the size of these structures needs to be on the order of the wavelength of the RF fields to be mapped. This poses practical limitations on the smallest features that can be measured.

Posted in: Articles, Aerospace, Defense, RF & Microwave Electronics, Imaging

Optimizing DSP Techniques for Antenna Site Software Radio

Posted in: Articles, Aerospace, Defense, RF & Microwave Electronics, Antennas, Computer software / hardware, Radio equipment

Unmanned Autonomous Helicopter

Northrop Grumman Corp.
West Falls Church, VA

All Navy aircraft must go through electromagnetic interference testing to ensure that they can operate safely in the ship environment. In preparation for ship-board flights, the Northrop Grumman Corporation’s MQ-8C Fire Scout will be tested for its ability to operate safely in the intense electromagnetic environment aboard U.S. Navy ships. The MQ-8C Fire Scout uses specially designed Faraday cages to protect the aircraft’s sensitive equipment from signal interference.

Posted in: Application Briefs, Aerospace, Defense, Rotary-wing aircraft, Unmanned aerial vehicles

Ethernet Switch and Router Technology

Curtiss-Wright Corporation
Ashburn, VA

Curtiss-Wright Corporation’s Defense Solutions division recently received a contract from Sierra Nevada Corporation to supply its COTS-based rugged Ethernet Switch and Router technology for use aboard Pilatus PC-12 Intelligence, Surveillance and Reconnaissance (ISR) equipped aircraft under the Knight Ryder program. Under the agreement, Curtiss-Wright will provide Sierra Nevada Corporation with its Parvus DuraMAR® 5915 router and Parvus DuraNET® 3000 switch products. The initial contract is valued at approximately $530,000.

Posted in: Application Briefs, Aerospace, Defense, Switches, Telecommunications