Abstract:We propose a comprehensive software tool called ModelTime(TM)for the design, analysis and construction of multi-core software for distributed real-time systems using a model-based design methodology. ModelTime will use UML-like diagrams to capture networked multi-core platforms, software components… more
Abstract:Overwhelming heat and clocking considerations have led to the accelerating rise of multicore processors. The number of cores per chip is expected to increase rapidly in coming years. In fact, chips with 100 cores and prototypes with 128 cores are already available. As the number of cores increases… more
Abstract:The main challenges outlined in the acquisition program objectives are: 1. API abstraction is inadequate for complex architectures 2. Multi-core architectures are non-portable across hardware/OS 3. Testing and validation of concurrent code are complex and hard to model We already have a… more
Abstract:The Department of Defense has growing needs to identify and understand methods for determining information value as a basis for future decision support systems. Understanding how humans process information, determine salience, and combine seemingly unrelated information is essential to automated… more
Abstract:ABSTRACT: This Phase II proposal seeks to develop a prototype speech segregation system that can significantly improve intelligibility of noisy speech for human listeners, a technical challenge that has eluded a solution for decades. Motivated by principles of auditory perception, system… more
Abstract:ABSTRACT: The proposal offers advanced research in the HEL fiber-array technology area focused on the development and demonstration of a coherent beam combining (phase locking) onto realistic (speckle) moving targets in deep turbulence conditions. It also includes analysis and development of… more
Abstract:The objective of proposed work is to demonstrate the feasibility of obtaining AlGaN films of any composition with dislocation densities below 1x106 cm-2 on native nitride substrates either by sustaining a pseudomorphic state or by reducing the number of threading dislocations by specific stress… more
Abstract:ABSTRACT: The scope of this effort is to study the technical feasibility of producing electronics for programmable matter that can generate high-voltage actuation signals; receive, store, and execute a program; harvest and store energy; and wirelessly communicate with other similar devices. The… more
Abstract:This Small Business Technology Transfer (STTR) Phase I project aims to develop novel technology for Vacuum Electron Devices (VED) such as Traveling Wave Tubes (TWT) for the next generation high spectral efficiency, high data rate civilian and military communication systems. VED amplifier performance… more
Abstract:Electron Cyclotron Resonance Heating (ECRH) has emerged as one of the most important tools for plasma heating and stabilization in magnetically confined fusion devices. In particular, ECRH is the most effective tool for suppressing Neoclassical Tearing Modes (NTM) in both currently operating… more
Abstract:ABSTRACT: We propose to develop a V-Band Microwave Power Module (MPM) based on a overmoded high power TWT amplifier with an overmoded interaction circuit employing multiple beams. The higher gain and output power provided by this novel TWT will enable highly linear operation with power added… more
Abstract:DESCRIPTION (provided by applicant): The proposed research focuses on the development of a NMR probe for Dynamic Nuclear Polarization (DNP) enhanced solution-state NMR spectroscopy. With DNP, the inherently small signal intensities in an NMR experiment can be enhanced by several orders of magnitude… more
Abstract:Mikro Systems Inc. (Mikro) has developed an advanced manufacturing platform called Tomo Lithographic Molding (TOMO). The platform has been successfully applied to produce highly engineered products, including turbine airfoils for power generation and aviation flight. Specifically, TOMO is currently… more
Abstract:During the parachute deployment, cotton"buffer"fabrics are employed to prevent friction/abrasion damage to the nylon fabrics as they rub against each other at high speeds. Due to procurement difficulties and several technical deficiencies, the Army would like to replace the… more
Abstract:DESCRIPTION (provided by applicant): Across the United States, water suppliers and managers are finding dangerous levels of 1,4-dioxane in water. This compound has been used for decades in a wide range of applications including as (1) a solvent in paints,varnishes, and prints; (2) treatment agent in… more
Abstract:This proposal presents a technique for the precise determination of distance between nodes of a planar array of nanosatellites for synthetic aperture and sensor array applications. The proposed effort will result in a navigational technique that can precisely determine the positions of nanosatellite… more
Abstract:A central focus of NASA's Global Modeling and Assimilation Office (GMAO) atmospheric general circulation modeling effort is the development of an atmospheric model suitable for data assimilation, weather forecasting, and climate simulation. Ongoing developments are focused on highly parallel… more
Abstract:Random number (RN) generation is the key software component that permits random sampling. Software for parallel RN generation (RNG) should be based on RNGs that are good serial generators, but also are suitable for concurrent execution, i.e. RNs produced by different concurrent processes must be… more
Abstract:Ionu Biosystems will develop a fluorescent smart phone blood analyzer that can measure important physiological concentrations from a drop of blood. The approach will be to develop fluorescent optode sensors to detect the concentration of the components of basic metabolic and blood gas panels. … more
Abstract:Cognionics has developed a high-quality, low-noise, dry/non-contact ECG electrode that can obtain signals even through layers of clothing without any skin preparation. Although the idea of a non-contact electrode is not new and has been previously investigated by other research groups, a successful… more
Abstract:DESCRIPTION (provided by applicant): The autism spectrum disorders [ASDs] encompass a set of neurodevelopmental conditions defined by abnormalities in behavior and social communicative skills. It is presently estimated that there are more than 1.5 millionautistic individuals in the US alone. Almost… more
Abstract:DESCRIPTION (provided by applicant): Millions of people are affected by cardiac arrhythmias, some of which result in benign symptoms and others are life-threatening. Obtaining symptom-rhythm correlation is paramount to providing appropriate therapy. Whilebasic principles and techniques for… more
Abstract:According to the NASA A2.01 topic description titled Materials and Structures for Future Aircraft, "advanced materials and structures technologies are needed in all four of the NASA Fundamental Aeronautics Program research thrusts (Subsonics Fixed Wing, Subsonics Rotary Wing, Supersonics, and… more
Abstract:The concept in the proposed project is to create a melting, alloying and casting furnace for the processing titanium based SMA using cold crucible techniques. The cold crucible furnace configuration will allow the material to remain pure without ceramic contamination. By using a combination of arc… more
Abstract:This Small Business Innovation Research Phase I project will demonstrate an improved method of producing advanced reactive and refractory metal alloys on a medium to large scale. The proposed concept will offer a route to produce alloys, castings and powder using clean melting techniques. Advanced… more
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