Award Data

During Phase I and a first Phase II, Welkin Sciences developed the Channel Realization Generator (CReG) algorithm, an enhanced functional replacement for the ACIRF code intended to be embedded into software link simulations and HWIL fading channel simulators. The proposed second Phase II effort will refine the CReG documentation and its software and firmware implementations. Many in the strategic ...

In response to SBIR Topic DTRA172-006, Welkin Sciences proposes to design and build a new all-digital fading channel simulator to be called CoLTSAD. This new simulator design will be the latest addition to our family of Configurable Link Test Sets (CoLTS). It will be capable of emulating the full range of MIL-STD-3053 scintillating channel conditions for all SATCOM frequency bands up to Ka-band. C ...

Next-generation high-performance computing (HPC) hardware, such as the Intel Xeon Phi Knights Landing Many-Integrated-Core processor, provide new deep memory architectures that offer the promise of increased performance. The challenge in taking full advantage of this architecture is selecting which data structures will be placed in the high-bandwidth memory. Optimizing data structure placement in ...

TDA Research Inc. (TDA) proposes to adapt off the shelf hardware and combine it with acoustic analysis techniques to develop an inexpensive, efficient, and scalable large number array of low cost acoustic sensors. Low frequency acoustic sensing detects a wide array of natural and manmade events including weather tracking, avalanche monitoring, explosion analysis, and nuclear test monitoring. By us ...

A significant performance gap exists between the theoretical number of Floating Point Operations (FLOPS) that a HPC machine is capable of sustaining and the number of FLOPS realized by real-world HPC applications. One of the principle reasons for this gap is the parasitic work that computational processes must do to communicate with one another. It has been shown that this communication work can b ...

The capabilities of modern x-ray light sources have opened up new areas in the study of the temporal evolution of complex materials under dynamic loading, which require detectors with high sensitivity, wide dynamic range at frame rates approaching the bunch repetition rates of modern light sources and detection at x-ray energies above 20keV.However, the capability to do such research is limited by ...

Coupling high intensity and high flux x-ray capabilities with impact drivers (lasers, gas guns, etc.) provide opportunity for directly probing material deformation mechanisms under extreme loading conditions. Limitations in existing x-ray detection capabilities prevent complete mapping of the temporal evolution of dynamic material events under fast loading rates. X-ray energy detection > 20 keV is ...

DTRA is faced with the challenge of extracting and effectively utilizing information from a very large and diverse set of natural language and structured data sources. Current methods often lack contextualization and are generally noisy, shallow, patchy, and overly low-level. We will develop a unifying, general, and elegant solution to address this challenge, based on the overall Textual Rulelog a ...

In Phase I of this effort we analyzed the structural response of a BLU 109 during typical penetration events. Based on these finite element results, we proposed and demsonstrated a simple robust concept for a passive penetrator sensor that identifies the material being penetrated and also correlates strongly with its underground trajectory. Such a sensor would obviously provide valuable informatio ...

Orora Design Technologies proposes to develop electronic design automation (EDA) tools employing minimally invasive circuit design-based methods to mitigate single event effects (SEEs) for next generation Ultra-DSM CMOS (