Abstract:Attempting to reduce cost and improvce performance, the development of GPS-inertial system continues. Several component tradeoffs are under consideration. We believe, however, that the system design should be included in the development. A modified configuration will bring excellent cost… more
Abstract:Because of the scarce network bandwidth available on the wireless links, data compression plays a critical role in the wireless system design. We propose to evaluate existing public-domain and commercial lossless data compression packages in the context of wireless networking. The specific… more
Abstract:We have in recent work developed large-area flat panel displays, for a classified military application, which allow for high dynamic range/color contrast in the Visible (70% Transmission dynamic range), mid- and far-IR (up to 90% Reflectance range). The displays are thin film (2 mm) flexible devices… more
Abstract:Aspen Systems, Inc. proposes the program "Novel Thermosets For Room Temperature Cured Aerospace Composites." Aerospace composites must maintain integrity at 350F (177C). With current resin systems, this is only achievable through elevated cure cycling, translating to added costs throughout the… more
Abstract:An important facet to a soldier's survivability depends on the clothing worn during combat and training exercises. Common fibers used in the textile industry, particularly nylons and polyesters, are flammable, produce toxic smoke and are potentially hazardous when worn soldiers. Flame retardant… more
Abstract:Aspen Systems proposes to develop a high speed, electronic camera that features a large format and a diode laser illuminator. This system will offer greater resolution and versatility than has been previously available. Using illumination from a compact laser diode, the new camera will resolve the… more
Abstract:Aspen Systems proposes to develop a novel process to increase the strength of sapphire at elevated temperatures. The resulting strength increase will alleviate the adverse effects of frictional heating of sapphire windows. Frictional heating can initiate a c-axis strength loss, leading to… more
Abstract:The Proposed Innovation is real-time hardware for image processing, image understanding and machine vision that will achieve significant performance increases over current systems by implementing a set of operations required to support a specific set of algorithms. These algorithms are intended to… more
Abstract:Assembly Guidance will develop and operate a proof-of-concept Composite Manufacturing Process Control System for hand laid composite parts. The functional elements of this system are: An Assembly Guidance LASERGUIDE projection system which references tooling and projects correct sequence, location… more
Abstract:We propose a new epitaxial growth technology for low-defect SiC substrates based on metallic solution growth of SiC on silicon and SiC wafers. A significant feature of the our approach is the use of epitaxial lateral overgrowth for "defect filtering." In the Phase I proposal, we present arguments… more
Abstract:There is much need for lasers with emission wavelengths in the mid-infrared (2 to 5 microns) for applications that include molecular spectroscopy, environmental and atmospheric trace gas analysis, long haul fiber communications, laser surgery, and atmospheric free-space laser transmission. The… more
Abstract:AstroPower proposes to develop a new high voltage solar cell for photovoltaic linear concentrator arrays based on our thin GaAs solar cell and epitaxial lateral overgrowth technologies and applying lateral segment interconnection techniques. This solar cell design has several advantages which make… more
Abstract:This research project will investigate the use of optical-fiber sensors within a solid rocket motor case. THese sensors will be multi-functional and possess the ability to measure displacement (or strain) and temperature. They will be capable of embedment "in-site" or can be bonded to the exterior… more
Abstract:AN INNOVATIVE DIELECTRICALLY LOADED MINIATURE UHF SATCOM ANTENNA IS PROPOSED FOR A FOLLOW-ON UHF SATCOM ANTENNA SYSTEM WHICH IS COMPATIBLE WITH SMALL SHIPS (DDG-51, PHM, MCM, ETC.). THE NEW ANTENNA WILL HAVE THE POTENTIAL CAPABILITY TO BE RETROFITTED ON EXISTING PLATFORMS AND THE PERFORMANCE… more
Abstract:Command and control system in the AAV-C7A1 amphibious vehicle require muliple radio/antenna systems, operating in close proximity, over HF, VHF, and UHF frequencies. This collocation of antenna systems results in major Radio Frequency Interference (RFI) Problems causing transmitter spurious outputs… more
Abstract:The objective of this research is to design and implement error-correction coding in a free-space laser communication channel to correct both single bit and burst errors at a user data rate of 155 Mb/s. Correcting these errors will significantly increase the reliability and weather-dependent… more
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