Agency: Department of Defense | Branch: Defense Advanced Research Projects Agency | Program: SBIR | Phase: Phase I | Award Amount: 154.05K | Year: 2016
It has long been known that analog computers can be faster and more power efficient than digital processors by many orders of magnitude. Until the 1970s analog computers were the dominant controllers in most industrial and military applications. Even today digital processors are still slower and more power consumptive than analog, but offer much more flexibility (programmability) and precision. The fist hybrid approach to combine the best of both technologies dates to 1971 where a hybrid analog/digital design solved the heat equation ten times fast than the comparable digital computer but the demonstration used discrete components and was not practical for large problems. In 2006, Cowan used essentially the same architecture but in VLSI to solve the same heat equation 100x faster and with 1% of the power of the comparable digital processor and was shown to be scalable. We propose to extend Cowans work to second order in time and incorporate the latest advances in programmability from the FPAA community to design a true programmable, hybrid processor capable of direct solution of systems of non-linear PDEs and verify via simulation the same 100x, 1% performance of Cowan. Fabrication of a VLSI chip will be the focus of Phase II.
Agency: Department of Defense | Branch: Air Force | Program: SBIR | Phase: Phase I | Award Amount: 150.00K | Year: 2015
ABSTRACT:Aret proposes a high performance laser radar system based on COTS components that can classify identify airborne threats at ranges of 100s of km. Based on our Coded Aperture Ladar technology, sub-diffraction limited images are resolved at extreme ranges using tomographic target reconstruction. This Phase 1 program models and demonstrates enhancements to our transceiver technology increasing range while decreasing detectability. A partnership with a prime contractor leverages airborne test platforms for field demonstrations in future phases.BENEFIT:The ladar concepts and hardware developed in this program have a wide range of relatively near-term and potentially low-cost military (tactical, theater and strategic) and other (surveillance/homeland security) applications. Tactical and surveillance adaptations would be the largest potential near-term markets. We believe that our approach could be readily and cost effectively adapted to fielding of compact laser radars, coded covert (free-space-optics) line-of-sight communications and covert laser designators and serve as high-accuracy optical trackers for engaging tactical (rockets, mortars and artillery-RAM) targets; RAMs are currently major threats to the US and its allies in the context of theater and urban warfare.
Agency: Department of Defense | Branch: Navy | Program: SBIR | Phase: Phase II | Award Amount: 999.92K | Year: 2015
In response to the Navy request to create an innovative automated algorithm to detect aircraft within the video imagery with a very low false alarm rate in real time, the Aret team created an image processing algorithm called Aircraft Cueing Enhancement (ACE). With an innovative and very fast Bayesian Field Detector, ACE proved its efficacy on a variety of targets, environments and modalities. Over hours of operation o periscope-vantage HD color video it showed high detection probability with no false alarms above the low-confidence level. In Phase II the Aret team will enhance ACE to perform under conditions of increasing complexity. After advancing the airborne cueing algorithm to a very high level of performance and automation, the team will prepare it for ISIS integration and real-time operation at-sea.
Arete Associates | Date: 2013-01-17
A new approach to radar imaging is described herein, in which radar pulses are transmitted with an uneven sampling scheme and subsequently processed with novel algorithms to produce images of equivalent resolution and quality as standard images produced using standard synthetic aperture radar (SAR) waveforms and processing techniques. The radar data collected with these waveforms can be used to create many other useful products such as moving target indication (MTI) and high resolution terrain information (HRTI). The waveform and the correction algorithms described herein allow the algorithms of these other radar products to take advantage of the quality Doppler resolution.
Arete Associates | Date: 2015-07-10
Embodiments herein provide for imaging and identification of obscured objects. One system herein includes a volumetric data source comprising three dimensional (3D) imaging data of a scene, and a two dimensional (2D) image source comprising 2D image data of the scene. The system also includes a processor operable to process the 2D data and the 3D data to generate a model of a material obscuring an object in the scene from sensors providing the 2D data and the 3D data. The processor is further operable to refine the model with detection data of the material from the volumetric data source, to detect the material obscuring the object based on the refined model, to generate an image of the scene, and to remove data pertaining to the material from the image to reveal the object in the image.