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Fastening and joining technology has lagged behind the progress that has been made in other areas of composites for advanced air vehicles. Aerotech proposes the development of reversible polymeric adhesive bonding of composites using variable frequency microwave energy. With this method, composites are bonded using Poly Ether Ether Ketone (a high temperature thermoplastic) which is cured using v ...

This is a Phase II proposal to continue the work begun by AgriTech Electronics, LC (AgriTech) on a GPS-based livestock control system. This system will exclude animals from areas, or contain them within defined boundaries, where it is impractical or inefficient to build fence to achieve this objective. These needs arise in a variety of contexts, including the exclusion of livestock from riparian a ...

50540-98-I Imaging Fractures and Fracture Systems to Assess Reservoir Properties--American Spectrum Engineering and Science Services, 5010 Grand Central Drive, Morgantown, WV 26505-4797; (304) 284-9144 Mr. William K. Overbey, Jr., Principal Investigator Mr. William K. Overbey Jr., Business Official DOE Grant No. DE-FG02-98ER82528 Amount: $74,694 Many fractured gas reservoirs could be produced ...

Operating across international borders in cooperation with a multitude of domestic and foreign institutions and scientists, the DOE needs to protect its high performance science networks (such as ESnet and USnet) from destruction by outside adversaries and rogue insiders. This project will develop technology to provide security for ESnet, UNnet, and similar high speed data transfer infrastructures ...

High performance dynamic networks, which support scientific experiments with high bandwidth requirements, consist of a control plane and a data plane, neither of which, at present, is secure against cyber attack. Careless or malicious tampering with these networks could disrupt the network, invalidate data, and otherwise ruin experiments supported by the networks. Security measures ¿ fire walls ...

The electromagnetic directed energy method (lasers, particle beams, and high power microwaves) of defending against missiles relies on generating a large amount of energy at the defense site, locating the target, and then transporting a large fraction of that energy to the target along a line of sight at the speed of light, to either destroy or destabilize the threat at as long range as possibl ...

The mitigation of mainlobe jamming is essential to missile defense radar performance. Applied Radar is currently investigating distributed aperture and adaptive processing architectures that promise a new generation of advanced radar performance. Our proposed program will research the application of these distributed aperture radar techniques to determine the mainlobe jammer suppression possible w ...

The design and development of phased-array radars requires the integration of solid-state components and adequate thermal mitigation within the array lattice constraints. The current trend is towards increasingly planar designs and a reduction in the array depth. The MDA SPEAR program is one example in which a planar T/R “tile” architecture is utilized. System-on-a-chip technologies such as Si ...

This proposal will address the development of a digital receiver and exciter (DREX) technology for next-generation scalable missile-defense radar. A DREX is currently being specified at the sub-array level to feed an analog tile or panel subarray. This al