Abstract:… technical innovations on network utility optimization, efficient distributed computational methods, and robust and scalable information propagation. To attain predictive and responsive space situation awareness (SSA), the DCM team design, Awareness-based Compressed Data… more
Abstract:… the Nyquist criterion restricts the sampled bandwidth to one half of the maximum sampling rate of the A/D converter. While A/D converter technology has improved over the last several years, it is still not sufficient for many wideband applications. Compressive sensing (CS)… more
There is a valid scientific data paradigm where no loss of data can be tolerated. However, transmission of raw data requires unacceptable bandwidth and storage resources such that the net data received is uncomfortably low. Lossless data compression can be used to… more
Abstract:… at sea requires either large, low-frequency, land-based systems or for the submarine to be near the surface towing an antenna or loitering near a communications buoy. GMS"s proprietary (US Patent Application 12/219,569 -24 July 2008) wavelength compression antenna… more
Abstract:… from Phase I, develop additional algorithms, and evaluate the system on real data. Refinements include improved modeling and characterization of urban phenomena and modeling enhancements. Additional algorithms include development of kinematic profiling and compressed… more
Abstract:This effort"s objective is developing algorithms that detect, isolate, and track individual scatterer returns in target clutter. The innovative signal processing algorithms proposed include novel tracking approaches, furthering a phase-sensitive range-compression method… more
Abstract:The noise from turbulent, hot, supersonic jets during take-off and landing, as well as high-Mach cruise at altitude, dominates noise emanating from other powerplant components (e.g., fan, combustor). This intense noise has significant safety implications for launch personnel as well an environmental… more
Abstract:… and tracking for critical engine components, and (2) NDT before and after CBM actions, such as LSP, LPB and shot peening. Fatigue lives of rotating engine components are greatly enhanced through application of shot peening and other processes that impart residual … more
Abstract:…in free-electron lasers or high harmonic generation. We will make use of the technique of crossed-polarized wave generation to remove the pedestals that tend to limit pulse duration in fiber lasers. We conducted simulations of the crossed-polarized wave pulse compression… more
Abstract:State-of-the-art military turbine engines incorporate Integral Bladed Rotors (IBR), which are one piece components consisting of blades and a disk (blisks), in the compression system. Their purpose is to reduce weight through part count reduction and improve performance and… more
Abstract:… rate. Power is supplied by batteries with advanced technology. They are also rechargeable through solar energy for long term operation (weeks and months). Usage of camouflage techniques ensure that the system operates in stealth and security. The video images are compressed,… more
Abstract:We intend to use the emerging technology of compressed sensing and related new algorithms of information science to (1)increase our capacity for hyperspectral image acquisition beyond current capacity by developing new imaging and spectroscopic systems,(2) expand the frontiers… more
Abstract:The theory of compressive sensing (CS) will be extended to the design of arrays for underwater systems. The underlying theory is applicable to arbitrary sensor arrays, but the focus will be placed on synthetic aperture sonar (SAS). The proposed research will integrate CS with… more
Abstract:… windows and their matching systems to withstand the stresses due to non-uniform heating from dielectric and wall losses, multipactor, and mechanical flexure. We propose a novel robust co-axial SRF coupler design which uses two windows manufactured with compression ring… more
Abstract:…, namely, the use of a nearly isochronous helical cooling channel (HCC) to facilitate capture of the muons into RF bunches. The muon beam could then be cooled quickly and coalesced efficiently to optimize the luminosity of a muon collider, or could provide compressed muon beams… more
Abstract:… will be obtained with various diameter. CNT incorporation can lead to the ordered graphitic structure around the CNT, which will improve the mechanical properties of resulting carbon fiber. These nano-tailored carbon fibers will have superior tensile and compressive… more
Abstract:…s high magnitude residual stresses on a surface by sweeping an ultra-high pressure jet over the surface to be peened so that cavitation bubbles form and collapse on the workpiece. The shock of the collapsing bubbles causes the formation of beneficial residual compressive… more
Abstract:… very susceptible to outside diameter damage in particular where even very shallow marks, 0.004"deep, have been shown to suffer substantial fatigue life reduction. The proposed solution is to make the tubing more tolerant of flaws by inducing deep residual compressive… more
Abstract:… Perceptral''s solution to meeting the needs of variable speed speech synthesis. Our approach involves a new method of sound segmentation that provides greater control of speech timing, while maintaining a high degree of intelligibility, as well as greater compression.… more
Abstract:… is based on optically tiled microdisplays with conformal multiplexed holographic waveguide optics and covert coating. The innovations in WiPICHT-HMD include seamless holographic tiling of high-resolution microdisplays, sensor imagery processed by a parallel compressive… more
Abstract:… Spectral Imager (CESI) system that was demonstrated to be feasible in Phase I. CESI is based on a highly innovative biomimetic compound-eye micro-optical assembly, a CMOS imaging sensor, embedded image processing hardware, and multispectral data reduction/compression firmware.… more
Abstract:…accessing molecular fingerprints via chemical imaging of materials and biological systems. The key for the commercialization of BBCARS is the development of advanced performance laser system. In the current proposal a new approach is suggested for generation of compressible… more
Abstract:…ing (all occupied regions and windshield heating); b) wing and empennage anti-icing; c) engine and accessory heating (when heater is installed as part of the aircraft); d) aircraft de-icing; e) cabin air conditioning; f) cooling electronic equipment and cooling compressed air… more
Abstract:…vements are desirable. Load Responsive Multi-Layer Insulation (LRMLI) is an innovative new technology using micro-molded polymer dynamic spacers that provide high performance insulation both in-atmosphere and on-orbit.
LRMLI under atmospheric pressure compresses dynamic… more
Abstract:…development of a Universal Modular Electronics Cooler (UMEC) for the Army that is applicable to cooling of high density electronics components used in Signals Intelligence and Electronics Warfare. The proposed cooler will include a variable capacity vapor compression system… more
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