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Shape memory alloy TiNi actuators for twist control of smart wing designs

Jardine, A.P. / Kudva, J.N. / Martin, C. et al. | Tema Archiv | 1996

being studied for a subscale model of a fighter aircraft. The use of the SME (Shape Memory Alloy) TiNi for wing twist actuation was investigated ...

Probability-of-detect-based beam pointing for multitarget tracking with electronically scanned radars

very important. Two opportunities for conserving radar resources that have not been fully exploited when tracking closely-spaced objects with ...

Air vehicle integration issues and considerations for CLAS successful. implementation

Lockyer, A.J. / Alt, K.H. / Kudva, J.N. et al. | Tema Archiv | 2001

solved for final technology inclusion in an operational air-vehicle. Presented are some key results from the Air Force Research Laboratory's ...

Time-frequency signatures based on a fuzzy-cluster representation as a means for automatic classification of targets buried underground

Strifors, H.C. / Abrahamson, S. / Gustafsson, A. et al. | Tema Archiv | 1998

features in the 2D time-frequency domain are viewed as the target signatures. For target identification, a signature representation should display ...

Fabrication and testing of diamond coatings on infrared windows for the Harrier GR7 and AV8-B systems

Hudson, M.D. / Brierley, C.J. / Miller, A.J. et al. | Tema Archiv | 1997

Forward looking infrared windows on aircraft suffer damage from liquid and solid particle impact. Diamond is a suitable material for ...

Fuzzy pattern recognition for online detection of engine misfire by measurement of crankshaft angular velocity

Liu, Shiyuan / Du, Runsheng / Yang, Shuzi | Tema Archiv | 2000

A unique technique for the on-line detection of engine misfire has been developed, which is based on multiple feature integration through ...

Noiseless propulsion for swimming robotic structures using polyelectrolyte ion-exchange membrane

Mojarrad, M. / Shahinpoor, M. | Tema Archiv | 1996

frequency and amplitude, K for this experimental robotic swimmer using a rectangular strip of polyelectrolyte ion-exchange-metal-composite membrane ...

Results of the DRIVE I experiment for fusion of IR and radar data

Birkemark, C.M. / Titley, J.D. | Tema Archiv | 2001

The "Derived Radar and Infra-Red Voxel Energy" operator (DRIVE) has been proposed for the fusion of IR and radar data as a pre-detection ...

Multi-aspect target detection for SAR imagery using hidden Markov models and two-dimensional matching pursuits

Runkle, P.R. / Lam, Nguyen / Carin, L. | Tema Archiv | 2000

orientations are then used to design a hidden Markov model (HMM) for the target class. This approach explicitly incorporates the sensor motion into the ...

Aluminum nitride coatings for protection of diamond at high-temperature in air

McGeoch, S.P. / Waddell, E.M. / Clark, C.C. et al. | Tema Archiv | 1999

. Advances in the performance of synthetic diamond made by chemical vapor deposition promise an expanding range of applications for the material. An ...

Mathematical modeling on the quadrature error of low-rate microgyroscope for aerospace applications

Yeh, B.Y. / Liang, Y.C. / Tay, F.E.H. | Tema Archiv | 2000

verified using finite element software, Intellicad, and found to have a good agreement with the simulation results for angles of rotation of comb ...

Smart materials for turbomachinery quieting

Jonson, M.L. / Lysak, P.D. / Willits, S.M. | Tema Archiv | 2000

materials for quieting turbomachinery. The team is composed of representatives from Pennsylvania State University, General Dynamics Electric Boat ...

Time-domain metal detector and GPR data processing and fusion for landmine detection

Gao, Ping / Collins, L.M. | Tema Archiv | 2000

For the landmine detection problem, a detector that provides a high probability of detection and a low probability of false alarm is needed ...

Frontiers in Infrared Windows and Dome Materials

Harris, D.C. | Tema Archiv | 1995

discussed. Engineering alternatives must be considered for extending the range of operating conditions for infrared windows and dome materials. ...

Smart fastener for KC-135 structural integrity monitoring

Schoess, J.N. / Seifert, G. | Tema Archiv | 1997

Hidden and inaccessible corrosion in aircraft structures is the number-one logistics problem for the U.S. Air Force, with an estimated ...

High-temperature strength of sapphire

Harris, D.C. | Tema Archiv | 2000

orientations at different temperatures to establish a mechanical strength database for engineering design. Sapphire coupons were selected to represent ...

NDE applications in an anchor bolt and sign bridge inspection program

Fish, P.E. | Tema Archiv | 1998

Verlag: SPIE International Society for Optical Engineering , Bellingham

Hidden Markov models and morphological neural networks for GPR-based land mine detection

Gader, P.D. / Hocaoglu, A.K. / Mystkowski, M. et al. | Tema Archiv | 2000

results are presented for applying them to calibration lane GPR data obtained during the vehicle mounted mine detection (VMMD) Advanced Technology ...

Thermal investigation of real aircraft components

Dal Toe, S. / Bison, P.G. / Marinetti, S. et al. | Tema Archiv | 2001

Composite materials are prone to various damages, particularly if used for aeronautic fuselage components. These parts are increasingly ...

Minimum mean-squared error GPR processor for resolving shallow objects

Stiles, J.M. / Beng Beh / Guruvayurappan | Tema Archiv | 2001

A particularly difficult problem in using GPR for land mine detection is the shallow depth at which many mines are buried. The scattered ...