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SBC: Five Focal LLC Topic: AF12BT06
ABSTRACT: Feature extraction and target recognition suffer from a lack of a reliable model for both exploitable target features and the electromagnetic signature they possess. Signature data are often hard to interpret and invert to recover the target robustly. Bayesian learning approaches to statistical pattern recognition are based on the use of training sets of inputs and outputs, a data mode ...STTR Phase I 2013 Department of DefenseAir Force
SBC: SA PHOTONICS, LLC Topic: AF12BT08
ABSTRACT: There has been a growing interest and increased R & D activities in applying THz technology to biomedical, security, communications and science/manufacturing imaging, etc. However, even with all these research activities, there are very limited choices of test and measurement instruments in the THz range. Despite wide availability of RF/microwave (below THz) and optical (above THz) netw ...STTR Phase I 2013 Department of DefenseAir Force
SBC: NEXTGEN AERONAUTICS, INC. Topic: AF12BT12
ABSTRACT: NextGen Aeronautics Inc. proposes use of rapid prototyping (RP) technologies, design process improvements, and novel sensing technologies to significantly reduce time and cost of transonic aeroelastic wind tunnel model development and improve their direct correlation to CFD data. The use of modern RP technologies will allow for model design variations such as variable modulus (stiffness ...STTR Phase I 2013 Department of DefenseAir Force
SBC: CREATIVE AERO ENGINEERING SOLUTIONS INC. Topic: AF12BT12
ABSTRACT: Under this collaborative effort, Creative Aero Engineering Solutions (CAES) and its academic partner University of California Los Angeles (UCLA) are pleased to team on the research entitled"Scaled Transonic Dynamic Aeroelasticity through Wind Tunnel Testing (ST-DAWTT),"consisting of a novel approach for characterizing the transonic aeroelastic environment of a full-scale fighter in the ...STTR Phase I 2013 Department of DefenseAir Force
SBC: MAINSTREAM ENGINEERING CORP Topic: AF12BT12
ABSTRACT: Experimental testing of dynamic models has been performed for more than 50 years and a wealth of data exists for individual models. However, this data is often either restricted as proprietary or is not suitable for CSE tool validation as a result of incomplete model or test information. Mainstream Engineering proposes to design, fabricate, and test a scaled fighter for aeroelastic ...STTR Phase I 2013 Department of DefenseAir Force
SBC: G. A. Tyler Associates, Inc. Topic: AF12BT13
ABSTRACT: The proposed research will develop a method of compensating atmospheric disturbances in the transmitting subapertures of a phased array transceiver operating in the infrared. The aero-optical boundary layer and atmospheric turbulence create phase variations within each subaperture. To compensate these variations, an adaptive optical system will be used in each subaperture. The propos ...STTR Phase I 2013 Department of DefenseAir Force
SBC: NUTRONICS, INC. Topic: AF12BT13
ABSTRACT: Current and projected limitations on the maximum power from a high power single mode fiber laser amplifier impose architectural limitations on a high power phased array laser weapon system. Prior studies strongly indicate that when faced with this limitation the optimal approach is (to borrow the term for Paul McManamon) a Phased Array of Phased Arrays (PAPA) geometry wherein large(r) ...STTR Phase I 2013 Department of DefenseAir Force
SBC: HYPERCOMP INC Topic: AF12BT15
ABSTRACT: Stability phenomena that are of vital interest in liquid rocket motor development involve a confluence of diverse physics and interactions across many system components. Any comprehensive, self-consistent numerical model is burdened by a very large computational mesh, stiff unsteady processes which limit permissible time step, and the need to perform tedious, repeated calculations for a ...STTR Phase I 2013 Department of DefenseAir Force
SBC: METACOMP TECHNOLOGIES INC Topic: AF12BT15
ABSTRACT: The proposed work aims to build a physics-based rapid turnaround simulation capability for resolving combustion dynamics in liquid rocket engines operating at trans-critical and supercritical flow regimes. The methodology will explore both Reduced-Order Methods and Reduced-Basis Methods as potential candidates for efficient unsteady flow simulation, data storage and retrieval, and data ...STTR Phase I 2013 Department of DefenseAir Force
SBC: PLASMONICS INC Topic: AF10BT30
ABSTRACT: Under the first phase of the program, Plasmonics Inc. and Sandia National Laboratories investigated a range of surfaces that yield non-Lambertian emission profiles in the thermal infrared. The second phase of this program will further maturate the designs developed in the first phase of the program. With the vast majority of the analytical work complete, focus in the second phase will b ...STTR Phase II 2013 Department of DefenseAir Force