Abstract:The utility of stereoscopic 3D image representation in many applications is now well established. It is not just a matter of stereo being better than 2D, but of stereo being necessary to interpret representations of complex data sets, physical phenomena, engineering designs and position in space. … more
Abstract:ABSTRACT: The proposed research focuses on a generalized formulation and an integrated implementation of bearing life and heat generation models. Since the internal bearing geometry changes with temperature, mechanical stresses, contributing to fatigue, are intricately coupled with thermal effects.… more
Abstract:Develop an innovative approach for cargo and personnel handling system that requires minimal labor effort by the crew to operate. The cargo and personnel system approach shall be capable of carrier take-offs and landings and not reduce current aircraft capabilities. Demonstrate the feasibility of… more
Abstract:The use of plastic (polyethylene, Polypropylene, polyurethane and poly lactic acid) has grown and continues to grow steadily because of the materials’ high strength-to-weigh ratios, low cost, and ease of molding as compared to conventional natural materials. Unfortunately, almost all commercial… more
Abstract:The Phase 1 grant that serves as a precursor to this proposal, prototyped complex storage techniques for high speed structured data that is being produced in accelerator diagnostics and beam line experiments. It demonstrates the technologies that can be used to archive and retrieve complex data… more
Abstract:ABSTRACT: We propose an algorithm for aimpoint maintenance that is robust to large changes in target aspect as well as scintillation and atmospheric turbulence. The approach makes use of flexible, parametrized vehicle models that are capable of representing a vast array of potential targets.… more
Abstract:DESCRIPTION (provided by applicant): There is increasing interest in the exposure science field in top-down approaches to studying human environmental exposures (the exposome), where toxicants of interest are profiled within the body through blood and/or other biological samples. Such studies would… more
Abstract:The project will prototype a specification editing and discovery tool (SPEEDY) for C/C++ that will assist software developers with modular formal verification tasks by- providing active user interface guidance in writing and editing software specifications, integrated into a common, open IDE… more
Abstract:"The complexity of modern computer systems has grown to the point of stressing human ability to understand their behavior completely. The sheer number of software components (and the myriad interactions between them) that are present on a single desktop computer presents a difficult security… more
Abstract:Software continues to be a weak link in our critical systems. A prudent operator should employ a defense-in-depth strategy whereby"safe"systems are still monitored to detect breaches and respond to them. Unfortunately, such monitoring is challenging in practice, since there is no universal… more
Abstract:Modern computer systems are employed in numerous environments and are capable of performing a wide range of tasks. To support such capabilities economically, software developers have introduced a wide variety of functionality in modular chunks that can be rapidly reconfigured to create new… more
Abstract:A programmer is usually focused on the code on his screen, leading to a kind of tunnel vision where large-scale interactions are missed. The proposed Code Awareness Assistant (CA2) will automatically provide programmers with an additional level of awareness as they program in C/C++. CA2 builds on… more
Abstract:Recent studies have shown that embedded systems are extremely vulnerable to security attacks. Some published exploits include remote hijacking of the electronic systems in a modern car and using IP phones and smart televisions to perform covert surveillance of their owners. In this project, we… more
Abstract:The objective of this effort is to develop signal waveform characteristics and processing algorithms that will deduce sensor-invariant attributes of a tracked object so that it can be classified, discriminated and evaluated for engagement. Under our proposed effort, we will develop enhanced radio… more
Abstract:The objective of the proposed research project is to develop novel algorithms and signal processing techniques that will minimize Aegis-to-3G & 4G and 3G & 4G-to-Aegis interference. We will perform an investigation and research of new RF waveform characteristics that could enhance Aegis BMD… more
Abstract:The objective of the proposed program is to develop innovative algorithms and techniques to automatically detect, classify, and uniquely identify emitters exhibiting multi-dimensional agilities, extremely wide band RF distribution, high time-bandwidth coherent characteristics, and solid state power… more
Abstract:The objective of this effort is to develop track-before-detect algorithms to provide greater signal processing gain for pulsed-Doppler radars. We will develop and demonstrate signal processing techniques to be used in next-generation ground-based radars to detect and track objects of interest. We… more
Abstract:The proposed Phase I investigation will focus on the development of spacecraft systems required to obtain a sample from the nucleus of a comet, hermetically seal the sample within a capsule, and return the sealed sample to an orbiting spacecraft which can return the sample to Earth. A preliminary… more
Abstract:We propose to design, build and test a 1 kg, single actuator, sample acquisition drill. The drill uses a novel method of core or powder acquisition. The core acquisition bit can be used for either a rock core, icy-soil or loose regolith acquisition. The continued development of robust sample… more
Abstract:HYPRES, in collaboration with University of Massachusetts, proposes an energy-efficient hybrid-temperature-heterogeneous-technology (HTHT) digital data link for interfacing 4K superconductor electronics with room-temperature electronics. Comprising several stages of cryogenic SiGe amplifiers at… more
Abstract:Modern radio frequency (RF) communication systems require more efficient and flexible use of wider bandwidths at higher carrier frequencies, which can be achieved only by direct digital representation of the RF signal itself, for both receivers and transmitters. Previously, HYPRES built, delivered… more
Abstract:The objective of this project is to develop a novel superconductor-semiconductor hybrid pipelined analog-to-digital converter (ADC) that provides up to 30 dB dynamic range extension over the state-of-the-art. The pipelined ADC architecture includes both superconductor and semiconductor… more
Abstract:HYPRES proposes to develop an expert system to automate operation of its advanced digital-RF receivers (ADRs). In Phase I, we established the feasibility of automating ADRs by developing the necessary algorithms for two broad classes of superconductor chips that represent all seven ADRs delivered to… more
Abstract:ABSTRACT: In this STTR phase II, HYPRES and University of California San Diego team will demonstrate a small size, weight and power Direction Finding (DF) system prototype based on SQUID array technology. High sensitivity, linearity, and wide bandwidth of SQUID arrays antenna sensors will be… more
Abstract:Recent research has shown that Superconducting Quantum Interference Devices (SQUIDs) may be used to measure the very weak magnetic signals in Magnetic Resonance Imaging (MRI) at ultra-low magnetic fields in the milli-tesla range or below. However, the signal-to-noise ratio (SNR) is quite low,… more
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