51–100 von 1,442 Ergebnissen
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    A compact optical associative memory

    Burns, T.J. / Rogers, S.K. / Kabrisky, M. et al. | Tema Archiv | 1991
    A unique associative memory architecture is presented that combines the compact optical processing environment of a Fabry-Perot Confocal ...

    Electric field sensor of LiNbO3:Ti optical waveguide for monitoring automobile ignition system

    Yu, Tao / Li, Yushan / Ma, Shaojie et al. | Tema Archiv | 1994
    An electric field Ti:LiNbO3 optical waveguide sensor with high sensitivity (220 mV/(V/cm)), high resolution (0.05 V/cm), 1 % linearity and ...

    Optical detection of land mines at FOI

    Sjokvist, S. / Uppsall, M. / Nyberg, S. et al. | Tema Archiv | 2001
    the origin of detectable optical signatures for choosing the most favorable conditions for detection. Measurements in test beds and ...

    Optical path tracking in high scintillation scenarios

    Rago, C. / Huff, M. / Ravichandran, B. et al. | Tema Archiv | 2001
    The problem described in this paper deals with tracking the optical path perturbations introduced by the atmosphere when illuminating a ...

    The universal multizone crystallizator (UMC) furnance: an international cooperative agreement

    Watring, D.A. / Su, C.H. / Gillies, D. et al. | Tema Archiv | 1996
    The universal multizone crystallizator (UMC) has been developed and patented by a team at the University of Miskolc for crystal growth of ...

    Optical characterization of volume-scattering backgrounds

    Popescu, G. / Dogariu, A.C. | Tema Archiv | 2000
    Scattering media act in many situations as backgrounds in target recognition and remote sensing and an accurate method for their ...

    Recent developments in plastic optical fiber components for automotive applications

    Cirillo, J.R. / Jennings, K.L. / Lynn, M.A. et al. | Tema Archiv | 1993
    The majority of production applications using plastic optical fiber (POF) have been for illumination applications. These applications ...

    Electro-optical trade study for the U.S. Army Air Warrior program

    Thacker, C. / Perconti, P. / Gillespie, J.B. et al. | Tema Archiv | 1997
    Vision Directorate has conducted a trade study of helmet mounted intensifier and display components having potential utility for Air Warrior ...

    Fabry-perot, bragg grating, and optical MEMS sensors for naval shipboard use

    Mastro, S. | Tema Archiv | 1997
    collection for damage control systems, and greater integration of shipboard sensor information the Naval Surface Warfare Center, Carderock Division ...

    Free-space optical communication systems (FOCUS): a US Army overview

    Vallestero, N.J. / Khusid, M. / Prasad, N.S. et al. | Tema Archiv | 2002
    systems will be based on a survivable, adaptable network capable of integrating commercial services and securely utilizing bandwidth for voice ...

    Bistatic radar imaging of landmines by optical electric field sensor

    Sato, M. / Tanaka, R. / Yoshida, K. | Tema Archiv | 2004
    We are developing a novel GPR system for stand off landmine detection. This is a bistatic GPR system, which uses a TEM horn antenna for a ...

    Optical figure testing of prototype mirrors for JPL's precision segmented reflector (PSR) program

    Hochberg, E.B. | Tema Archiv | 1991
    shifting interferometer operating at 10.59 microns and laser metrology for measurement of piston and absolute radius of curvature. The optical ...

    Ground Standoff Mine Detection System (GSTAMIDS) engineering, manufacturing and development (EMD) block 0

    Pressley, J.R.R. / Pabst, D. / Sower, G. et al. | Tema Archiv | 2001
    for Block 0 is the South African Meerkat that has overpass capability for anti-tank mines, as well as armor anti-mine blast protection and ...

    Semiconductor active waveguide reconfigurable optical interconnect devices and networks

    Balestra, C.L. / Alkinson, T.L. / Johnson, B.C. et al. | Tema Archiv | 1993
    and multi-device level to configure a high transmission bandwidth space division switch. For space and aircraft systems, where weight and ...

    Status of free-space optical communications and its future applications

    Freidell, J.E. | Tema Archiv | 1994
    Free-Space optical communications has been a subject of research interest nearly since the advent of the laser. Space applications have ...

    Strain measurement using a Brillouin optical time domain reflectometer for development of aircraft structure health monitoring system

    Shimizu, T. / Yari, T. / Nagai, K. et al. | Tema Archiv | 2001
    We conducted theoretical and experimental approaches for applying Brillouin optical time domain reflectometer (BOTDR) to aircraft and ...

    Comparison of radio frequency and optical architectures for deep-space communications via a relay satellite

    Mecherle, G.S. / Horstein, M. | Tema Archiv | 1994
    performance and attractivness for the deep-space communication mission. Two candidate system architectures based on optical technologies were ...

    The application and development tendency of optical measurement in automobile industry

    Gang Wan | Tema Archiv | 2002
    the development process. With any changes in design, the impact for a possible collision needs to be examined. An optical measurement system ...

    Improvement of LIDAR system by modulation of an optical pulse laser for underwater detection

    Lagaye, J.P. / Vinay, L. / Richou, J. | Tema Archiv | 1997
    clutter by modulating an optical pulse laser. We propose a theoretical study of the behaviour of a modulated pulse in the underwater medium. We ...

    Present and future of optical intersatellite communication research at NASDA

    Araki, T. / Nakamori, S. / Hisada, Y. et al. | Tema Archiv | 1994
    research. Second, results of the Optical Inter-orbit Communications Engineering test Satellite (OICETS) feasibility study are reported. Last, they ...

    Damage detection of satellite structures by optical fiber with small diameter

    Kabashima, S. / Ozaki, T. / Takeda, N. | Tema Archiv | 2000
    monitoring system usually utilizes optical fiber sensor of which the diameter is 125 micrometer. However, such fiber sensors tend to be perceived as ...

    Direct optical sensing of underwater sound fields: naval applications

    Podlesak, M. | Tema Archiv | 1999
    Control of underwater noise radiated by naval vessels relies on two factors. First, ship design for quiet operation, and second, provision ...

    Hybrid optical/electronic signal processor for laser radars signals in fire control systems

    Findley, G.B. jun. / Anderson, C.S. / Townley, S.K. et al. | Tema Archiv | 1992
    This paper reports on the development of a hybrid optical/electronic signal processor for laser radar signals in fire control applications ...

    NASA's geostationary earth observatory and its optical instruments

    Koczor, R.J. | Tema Archiv | 1991
    of his home planet. One platform is the Geostationary Earth Observatory, which will contain several optical instruments for remote sensing of ...

    Interaction of micro-organisms (fungi and bacteria) with optical and electronic materials

    Kukhtarev, N.V. / Kukhtareva, T.V. / Jones, J. et al. | Tema Archiv | 2002
    for unattended and space-based optical and electronic systems. We have investigated the process of growth and distribution of fungal elements ...

    Multigigabit optical transmission experiment through a free-space simulator

    Miyazaki, T. / Inagaki, K. / Fujise, M. | Tema Archiv | 1994
    A transmission experiment through a free-space laser transmission simulator for an optical intersatellite link is proposed and demonstrated ...

    Recent developments in the use of plastic optical fiber for an embedded wear sensor (for marine propulsion shafting)

    Cohen, E.I. / Mastro, S.A. / Nemarich, C.P. et al. | Tema Archiv | 1999
    This paper describes recent developments of a practical, low cost embedded plastic optical fiber (POF) wear sensor system for the condition ...

    Image transmission in mid-IR using a solid state laser pumped optical parametric oscillator

    Prasad, N.S. / Kratovil, P. / Magee, J.R. | Tema Archiv | 2002
    We present image transmission using a mid-wave IR (MWIR) optical transceiver based free-space data link under low visibility conditions ...

    Using 0.8 mu m DMILL technology to realize an encoder/decoder for optical transmission at 550 Mbps

    Claus, H. / Cabuy, F. / Roef, P. | Tema Archiv | 1999
    data is digitized at the antennae. An optical harness distributes clocking data to the antennae to synchronize the digitizing of the data, and ...

    New technique using CO2 laser for high heating and simultaneous optical characterization of IR windows

    Simoneau, J. / Feller, R. / Peatfield, C. et al. | Tema Archiv | 1997
    magnitude and distribution of the heat on the window. Therefore, for each missile application, it is critical to be able to determine the optical ...

    Environments stressful to optical materials in low earth orbit

    Musikant, S. / Malloy, W.J. | Tema Archiv | 1990
    Spacecraft in low earth orbit experience a variety of environments which are potentially damaging to materials and to optical systems ...

    Model of image generation in optronic (electro-optical) sensor systems (IGOSS)

    Wigren, C. | Tema Archiv | 1998
    A model for Image Generation in Optronic (electro-optical) Sensor Systems (IGOSS) has been developed. The aim of this model is to study and ...

    Measuring space radiation impact on the characteristics of optical glasses; measurement results and recommendations from testing a selected set of materials

    Fruit, M. / Gusarov, A.I. / Doyle, D.B. | Tema Archiv | 2002
    Radiation sensitivity of glass is a general concern for the designer of Space optical instruments. ASTRIUM, in cooperation with SCK-CEN ...

    Measurement of military helmet- and head-mounted display (HMD) visor optical properties

    Kocian, D.F. / Task, H. | Tema Archiv | 2000
    This paper examines the light transmission, reflection, and scattering characteristics of military helmet visors used for see-through ...

    Connection of optical fibers embedded in aircraft composite components

    Sjogren, A. / Lindstrom, B. | Tema Archiv | 2000
    This paper describes a manufacturing technique for embedding standard fiber-optic connection hardware in aircraft composite components ...

    Film videorecording and image processing systems under investigation of the processes in rocket space engineering objects

    Konovalov, N.A. / Veselovsky, V.B. / Kovalenko, V.I. et al. | Tema Archiv | 1999
    engineering (RSE) technical objects were developed. The mathematical models of the objects under research were created in the conditions of exposure ...

    On-line characterization of impacts on electrical train current collectors using integrated optical fiber grating sensor network

    Ecke, W. / Schroeder, K. / Kautz, M. et al. | Tema Archiv | 2005
    A sensor network consisting of unified fiber grating based temperature and strain sensor pads has been developed for integration in carbon ...

    Advanced fiber optic networks using optical processing for future commercial aircrafts: multiple-access techniques and new hardware design

    Zhang, Jian-Guo | Tema Archiv | 1993
    aircrafts to support the real time on-board flight control, sensing, voice communications, and TV distributions. Novel tunable optical code division ...

    Impact damage detection of stiffened composite panels by using embedded small-diameter optical fibers

    Tsutsui, H. / Kawamata, A. / Sanda, T. et al. | Tema Archiv | 2001
    by the sensors. In this study, both multi-mode optical fibers and fiber bragg grating (FBG) sensors are used for detecting impact load and ...

    Optical stability testing of the fiber support technology (FiST) focal plane assembly of the SABER instrument

    Jensen, S.M. / Batty, J.C. / Esplin, R.W. et al. | Tema Archiv | 1998
    a warm environment. The SABER team deemed it necessary to perform optical stability testing on this never-before-flown technology for ...

    Validation of a digital simulation of an optical matched filter correlator applied to aerial reconnaissance

    Leib, K.G. / Mendelsohn, J. | Tema Archiv | 1981
    Optical and digital approaches to 2-D image processors each have their unique advantages and limitations. Hybrid systems have been proposed ...

    An adaptive localization system for outdoor/indoor navigation for autonomous robots

    Pacis, E.B. / Sights, B. / Ahuja, G. et al. | Tema Archiv | 2006
    of autonomous navigation for mobile robots has targeted either outdoor or indoor scenarios, but not both, which is not how humans operate ...

    Intelligent autonomy for unmanned naval systems

    Steinberg, M. | Tema Archiv | 2006
    This paper provides an overview of the development and demonstration of intelligent autonomy technologies for control of heterogeneous ...

    Transparent ceramics for armor and EM window applications

    Patel, P.J. / Gilde, G.A. / Dehmer, P.G. et al. | Tema Archiv | 2000
    for a variety of applications. Future combat and non-combat environments will require lightweight, threat adjustable, multifunctional, and ...

    Performance of a gated scannerless optical range imager against volume and bottom targets in a controlled underwater environment

    Rish, J.W. III / Lebien, S.M. / Nellums, R.O. et al. | Tema Archiv | 2000
    An SRI breadboard designed specifically for use in the underwater environment was assembled, and a second series of underwater imaging ...

    Architecture for autonomy

    Broten, G.S. / Monckton, S.P. / Collier, J. et al. | Tema Archiv | 2006
    source frameworks can reduce cost and risk of systems engineering. This paper describes the Architecture for Autonomy implemented by DRDC and how ...

    Multi-sensor integration for unmanned terrain modeling

    Sukumar, S.R. / Yu, Sijie / Page, D.L. et al. | Tema Archiv | 2006
    State-of-the-art unmanned ground vehicles are capable of understanding and adapting to arbitrary road terrain for navigation. The robotic ...

    IR-camera methods for automotive brake system studies

    Dinwiddie, R.B. / Lee, Kwangjin | Tema Archiv | 1998
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    White LED sources for vehicle forward lighting

    Van Derlofske, J.F. / McColgan, M.W. | Tema Archiv | 2002
    Considerations for the use of white light emitting diode (LED) sources to produce illumination for automotive forward lighting is presented ...

    UAV autonomy for complex environments

    Lauzon, M. / Rabbath, C.A. / Gagnon, E. | Tema Archiv | 2006
    asymmetry and organizational processes. The Unmanned Aerial Vehicle represents a strategic enabler for military operations in complex environments ...