Abstract:NASA's program for Solar System Exploration will augment the current remote sensing approach to solar system exploration with a robust program that includes in situ measurements at key places. This requires robotic explorers capable of operation and survivability in high-temperature/high-pressure… more
Abstract:Current commercially available systems for pulsed gas metal arc welding (GMAW-P) monitor electrical characteristics of the arc and attempt to compensate for process deviations by pulsing current at a constant frequency. For highly critical GMAW-P applications in challenging materials like titanium… more
Abstract:DESCRIPTION (provided by applicant): This SBIR project addresses toxic and heavy metal exposure reduction through environmental contamination minimization via metal removal at the contamination source. Harmful metals which are not readily degraded or detoxified enter the environment in significant… more
Abstract:Existing Field Programmable Gate Arrays (FPGAs) provide space-based users with an awkward choice between high performance commercial devices that are not capable of functioning reliably in a space-borne environment, or low performance devices that are specially hardened for space environments. This… more
Abstract:Low power, robust communications protocols such as IEEE 802.15.4/Zigbee have made the concept of smart sensor networks attractive across many applications. These systems promise portable, networked, wireless, sensor suites capable of monitoring and controlling environments as needed. Theseus Logic… more
Abstract:Achieving a new military GPS capability based on direct acquisition of P(Y) and M codes requires massive parallel processing with large numbers of correlator channels (>1000) in the receiver searching for a code match. In synchronous systems the extensive clock tree required to support a… more
Abstract:The Airborne Laser Mine Detection System (ALMDS) is a helicopter-deployed LADAR system aimed at reducing damage to vessels from mines in shallow littoral waters. The ALMDS system has successfully been demonstrated using a Streak Tube Imaging LIDAR system, however, the time sequential nature of a… more
Abstract:Propagation Research Associates, Inc., (PRA) proposes to develop a software/hardware-in-the-loop (S/HWIL) capability that will implement the PRA Fast Algorithms for State Estimation (FASE) in a real-time environment. PRA developed a maximum likelihood estimator and a smoothed iterated filter to… more
Abstract:This Small Business Innovation Research (SBIR) Phase II project provides a unique and robust in-situ sensor for detection and control of impurities in microstructures and porous layers associated with manufacturing of semiconductor, MEMS, and emerging nanodevices. Use of impedance as a measure of… more
Abstract:Nitride-based, high-brightness, ultraviolet, visible, and white light emitting diodes are candidate devices for replacing incandescent light bulbs and fluorescent light fixtures in general illumination applications, due to their tremendous energy saving potential, long lifetime, and high efficiency.… more
Abstract:Tellurium-doped single-crystal ZnSe, or ZnSe(Te), is an important material for fabricating the radiation detectors needed for nuclear physics research. To date, there is no efficient crystal growth technique for producing high-quality, large-diameter, ZnSe single crystals. This project will… more
Abstract:A fully monolithically-integrated X-band T/R module using InGaP/GaAs-based HBTs (heterojunction bipolar transistors) for both the transmit and receive functions is proposed. A single device structure designed for both the transmit and receive function is proposed to simplify the design and to lower… more
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