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NEW TECHNOLOGIES

September 20, 2011 by

Web Page sponsor Oxley Developments

www.oxleygroup.com

Oxley Group Ltd
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19 Sep 11. Raytheon Company fielded the first Advanced Extremely High Frequency (AEHF) Secure Mobile Anti-jam Reliable Tactical Terminal (SMART-T) satellite communications solution to the U.S. armed services.
The Raytheon AEHF SMART-T increases the data rate of existing SMART-T systems by a factor of four.
“Raytheon’s latest SMART-T solution delivers the next generation of protected communications that’s compatible with both EHF and AEHF satellites,” said Scott Whatmough, vice president of Raytheon Network Centric Systems’ Integrated Communications Systems. “AEHF SMART-T provides the end-user with more mission flexibility and increased capacity to transmit voice, data and video, providing increased situational awareness.”
Raytheon will field 364 AEHF SMART-T terminals to the U.S. armed services. An additional 19 systems will be fielded in Canada and seven in the Netherlands through 2015. The AEHF SMART-T upgrade incorporates Raytheon’s eXtended Data Rate (XDR) waveform hardware and software modifications, a technological breakthrough in protected communications. The new XDR waveform provides users with increased bandwidth and speed, enabling tactical military communications such as real-time video, battlefield mapping and targeting data.

19 Sep 11. Raytheon Company’s transmit/receive (T/R) modules for the U.S. Navy’s Air and Missile Defense Radar (AMDR) program have passed a significant developmental testing milestone. Raytheon’s Gallium Nitride modules exceeded Navy-specified requirements for extended, measured performance, demonstrating no degradation after more than 1,000 hours of testing. Currently working Phase II of the AMDR program, Raytheon is developing a technology demonstrator for the system’s S-band radar and radar suite controller. During the radio frequency operating life testing, the modules demonstrated consistent power output across multiple channels. The more than 1,000-hour Radio Frequency Operating Life test was a self-imposed early milestone for Raytheon. AMDR provides unprecedented capabilities for the Navy, beginning with the Arleigh Burke-class destroyers. It fills a critical gap in the joint forces’ integrated air and missile defense capability, enabling highly effective missile defenses to be deployed in a flexible manner wherever needed. The radar suite consists of an S-band radar, X-band radar and radar suite controller. The system is fully scalable, enabling the radar to be sized according to mission need and to be installed on ships of varying size as necessary to meet the Navy’s current and future mission requirements. The radar’s digital beamforming capability enables it to perform multiple simultaneous missions, a critical feature that makes the system affordable and operationally effective for the Navy. Raytheon’s skill and experience working with large-scale active phased-array radars spans the frequency spectrum from UHF to X/Ku-band and dates back to the Cobra Judy and Upgraded Early Warning Radar programs, continuing today with the advanced Dual Band Radar, AN/TPY-2 and Cobra Judy Replacement programs. The knowledge and experience gained from these programs will ensure that the AMDR S- and X-band radars operate in coordination across a variety of operational environments. The company has a long heritage of developing and producing some of the world’s most capable air and missile defense radars, which positions it well for the AMDR competition. Additionally, Raytheon has produced more than 1.8 million AESA (active electronically scanned array) T/R modules to date and has decades of experience working with adaptive beamforming technologies. Raytheon is also a leading provider of high-performance GaN technology. Work on the AMDR program is performed at Integrated Defense Systems’ Headquarters, Tewksbury, Mass.; at the Surveillance

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