51–100 von 22,523 Ergebnissen
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    Application of laser radar to autonomous spacecraft landing

    Gleichman, K. / Tchoryk, P. jun. / Sampson, R.E. | Tema Archiv | 1991
    required for the Mars Rover Sample Return (MRSR) mission. An application of laser radar for performing Autonomous Hazard Detection and Avoidance ...

    Airborne imaging system peformance model

    Redus, W.D. | Tema Archiv | 1991

    A pod mounted MIL-STD-2179B recorder

    Kessler, W.D. / Abeille, P. / Sulzer, J.F. | Tema Archiv | 1991

    High spatial resolution FLIR

    Tucker, C.J. / Mitchell, R.J. | Tema Archiv | 1991
    Bandwidth (HSB) FLIR provides improved horizontal resolution, a non-interlaced digital output suitable for interfacing to digital image processing ...

    Line of sight alignment of multi-sensor system

    Shalom Wilk / Goldmunz, M. / Shahaf, N. et al. | Tema Archiv | 1991
    A fully automatic in-flight boresight unit for line of sight (LOS) alignment between a FLIR operating in the thermal infrared region (8-12 ...

    A wideband, embedded/conformal, antenna subsystem concept

    Smalanskas, J.P. / Valentine, G.W. / Wolfson, R.I. | Tema Archiv | 1991
    The concept for a wideband, embedded/conformal antenna subsystem is presented. A multilayer radome not only protects the antenna from ...

    A high resolution airborne multisensor system

    Prutzer, S. / Biron, D.G. / Quist, T.M. | Tema Archiv | 1991
    the data characteristics, including realistic phenomenology, and the delivery of co-registered, multi-dimensional sensor data for the ...

    Finite element analysis of deformation in large optics due to space environment radiation

    Merzbacher, C.I. / Friebele, E.J. / Ruller, J.A. et al. | Tema Archiv | 1991
    Dose gradients in large mirror substrates due to unequal exposure to the natural space radiation environment have been calculated for two ...

    Design and development of the zeolite crystal growth (ZCG) facility

    Fiske, M.R. | Tema Archiv | 1991
    large crystals. To this end, the Battelle Advanced Maeterials Center for the Commercial Development of Space (CCDS) is funding the development ...

    Role of computer graphics in space telerobotics: Review and predictive displays

    Bejczy, A.K. / Venema, S. / Kim, W.S. | Tema Archiv | 1991
    workspace design including viewing conditions, specific workspace analysis for given tasks in a fixed setting, operator training, and reduction of ...

    Three dimensional vision - requirements and applications in a space environment

    Noseworthy, J.R. / Gerhardt, L.A. | Tema Archiv | 1991
    vision system designed for CIRSSE which uses a controllable subset of five cameras, programmable structured light patterns, and sophisticated ...

    Image analysis applied to black ice detection

    Chen, Y. | Tema Archiv | 1991
    Methods based on various morphological image processing techniques are developed for the discrimination of images reflected by road ...

    Development and test of the starlab control system

    LaMont, D. / Lin Mar / Rodden, J. | Tema Archiv | 1991
    developed. The test includes verification of optical tracking, including space object imagery and the beam control mirror servos. Flight computer ...

    Crystal growth by solute diffusion in earth-orbit

    Lind, M.D. / Nielsen, K.F. | Tema Archiv | 1991

    In-situ observation of crystal growth in microgravity by high resolution microscopies

    Katsuo Tsukamoto / Kazuo Onuma | Tema Archiv | 1991
    High resolution in-situ observation methods were developed for the investigation of crystal growth mechanisms from solution phases. Crystal ...

    NASA microgravity materials science program

    Sokolowski, R.S. | Tema Archiv | 1991

    Crystal separation from mother solution and conservation under microgravity conditions using inert liquid

    Regel, L.L. / Vedernikov, A.A. / Queeckers, P. et al. | Tema Archiv | 1991
    microgravity is investigated. The goal to be reached is to propose an efficient and simple system. This method has to be applicable for an automatic ...

    Compact spaceflight solution crystal-growth system

    Trolinger, J.D. / Lal, R. / Vikram, C. et al. | Tema Archiv | 1991

    Ground-based PIV and numerical flow visualization results from the surface tension driven convection experiment

    Pline, A.D. / Wernet, M.P. / Kwang-Chung Hsieh | Tema Archiv | 1991
    steady thermocapillary fluid flows aboard the USML-1 Spacelab mission planned for June, 1992. One of the components of data collected during the ...

    Advantages of drawing crystal-core fibers in microgravity

    Shlichta, P.J. / Nerad, B.A. | Tema Archiv | 1991
    experiments are ideally suited for Shuttle/Spacelab missions, because of their short duration, moderate power demands, and insensitivity to g-jitter ...

    Commercial crystal growth in space

    Wilcox, W.R. | Tema Archiv | 1991
    NASA's Centers for the Commercial Development of Space, many private companies, and government laboratories. Projects range from growth of large ...

    Large zeolites - why and how to grow in space

    Sacco, A. jun. | Tema Archiv | 1991

    A flight experiment to investigate microgravity effects on solidification phenomena of selected material

    Maag, C.R. / Hansen, P.A. | Tema Archiv | 1991
    samples has been manifested for flight on STS-42. The first flight of the furnace assembly will a) investigate the p-n junction characteristics ...

    Measuring residual accelerations in the spacelab environment

    Witherow, W.K. | Tema Archiv | 1991
    orbiter can provide long periods of microgravity for performing experiments. However, residual gravitational accelerations still remain. In May ...

    NASA's flight-technology development program: A 650 Mbps laser communications testbed

    Hayden, W.L. / Fitzmaurice, M.W. / Nace, D.A. et al. | Tema Archiv | 1991
    NASA-Goddard space flight center (GSFC) is designing and building a 650 Mbps laser communications testbed for the development of flight ...

    Space station laser communication transceiver

    Fitzmaurice, M. / Hayden, W. | Tema Archiv | 1991
    NASA/Goddard space flight center (GSFC) has initiated the development of experimental optical communication system which will be installed ...

    Eyesafe laser application in military and law enforcement training

    Mosbrooker, M.L. | Tema Archiv | 1991
    lasers are playing a major role in this sort of simulation. Present uses includes their employment as replacements for non-eyesafe lasers in ...

    The spectroscopy and polarimetry capabilities of the INTEGRAL imager: Monte Carlo simulation results

    Swinyard, B.M. / Malaguti, G. / Caroli, E. et al. | Tema Archiv | 1991
    A three-dimensional position sensitive imaging detector has been proposed for the prospective ESA/NASA gamma-ray satellite, INTEGRAL. The ...

    Monolithic microwave integrated circuit activities in ESA-ESTEC

    Giuliano Gatti | Tema Archiv | 1991
    have been carried out and planned for promoting and developing this technology that offers unique benefits for both ground and on-board ...

    Digial map database in support of avionic display systems

    Trenchard, M.E. / Lohrenz, M.C. / Rosche, H. et al. | Tema Archiv | 1991
    of a global database of raster aeronautical chart data specifically designed for input to these systems. The Naval Oceanographic and ...

    Helmet mounted sight and display testing

    Böhm, H.D. / Schreyer, H. / Schranner, R. | Tema Archiv | 1991
    Helmet Mounted Displays (HMD) will be presented. To compare the accuracy of the different HMS-Systems (on magnetic, acoustic or optical basis) it ...

    Synthetic aperture radar of JERS-1

    Makoto Ono / Yoshiaki Nemoto | Tema Archiv | 1991
    to be operated in L band. Mission purpose is mainly dedicated for geological applications. The ground resolution of the processed image is to ...

    Emerging applications of optical fibers and optical technologies in automobiles

    Saifi, M.A. / Tsuji, Y. / Idei, G. et al. | Tema Archiv | 1992
    A quiet but deliberate revolution is taking place in the automobile field. Electronics and optical technologies familiar to the ...

    Design considerations for pattern recognition demonstration for transition of optical processing to systems (TOPS)

    Temmon, M. / Hester, C. | Tema Archiv | 1992
    correlator design does provide the user with the flexibility to change filters for a specific target and application. In the planned TOPS ...

    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 ...

    Adaptive position estimation for an automated guided vehicle

    Lapin, B.C. | Tema Archiv | 1992
    for an automated guided vehicle (AGV) to overcome these complexities. The scheme's purpose is to minimize the position error - the difference ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    An autonomous system for cross-country navigation

    Stentz, A. / Brunitt, B.L. / Coulter, R.C. et al. | Tema Archiv | 1992
    Autonomous cross-country navigation is essential for outdoor robots moving about in unstructured environments. Most existing systems use ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Dynamic trajectory planning for a cross-country navigator

    Brumitt, B.L. / Coulter, R.C. / Stentz, A. | Tema Archiv | 1992
    were achieved when only checking for obstacles. ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Compliant-linkage kinematic design for multi-degree-of-freedom mobile robots

    Brenstein, J. | Tema Archiv | 1992
    Multi-degree-of-freedom (MDOF) vehicles have many potential advantages over conventional (i.e., 2-DOF) vehicles. For example, MDOF vehicles ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Mobile robots with articulated tracks and manipulators: intelligent control and graphical interface for teleoperation

    Chu Xin Chen / Trivedi, M.M. | Tema Archiv | 1992
    Tracked mobile robots are well suited for operation in uneven and obstacle ridden environments. A great majority of the current research in ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Approximate maps for high-speed control of a mobile robot

    Froom, R. | Tema Archiv | 1992
    For a mobile robot to travel as rapidly as possible through a large-scale environment, it must rely upon stored knowledge of that portion ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Fiber optic rotation sensor for long lifetime space missions

    Dorsky, L. / Bartman, R. / Lehman, D. et al. | Tema Archiv | 1992
    are intended to eventually serve as replacements for spinning mass systems and ring laser gyros in applications that place a premium on long ...

    Man-portable command, communication, and control systems for the next generation of unmanned field systems

    Jacobus, C.J. / Mitchell, B.T. / Jacobus, H.N. et al. | Tema Archiv | 1992
    video capture, display, and interfacing features, supercomputer level computational performance, and ergonomic features for hard field use. In ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    New vision-based approach for navigation

    Yakali, Hüseyin Hakan / Raviv, D. / Herman, M. | Tema Archiv | 1992
    Curved road tracking is one of the problems in active vision for Autonomous Vehicles. In search of a solution to this problem, we started ...

    256x256 switched-FET multiplexer for spaceborne astronomical applications

    McMurray, R.E. jun. / McKelvey, M.E. / McCreight, C.R. et al. | Tema Archiv | 1992
    -integration nodes of very low capacitance for low background flux detectors. Based on the success of the NICMOS program, they have been designed and ...

    Signal processing techniques for target acquisition

    Williams, E. / Evans, R. / Barnett, B. et al. | Tema Archiv | 1992
    The Naval Research Laboratory is studying the performance versus design tradeoffs for infrared seekers used for the acquisition of sea ...

    Diode-laser radar for low-cost weapon guidance

    Gustavson, R.L. / Davis, T.E. | Tema Archiv | 1992
    purpose of determining the feasibility of using diode-laser radar systems as sensors for autonomous targeting guided weapons. Schwartz Electro ...

    Infrared readout integrated circuit technology for tactical missile systems

    Doudoumopoulos, N.A. / Gulbransen, D.J. / Kojiro, J.K. et al. | Tema Archiv | 1992

    A neural network system for traffic flow management

    Gilmore, J.F. / Elibiary, K.J. / Peterson, R.J. | Tema Archiv | 1992
    This paper describes a system for Traffic Event Response and Management for Intelligent Navigation Utilizing Signals (TERMINUS) developed ...

    Commercial machine vision system for traffic monitoring and control

    Agostino, S. D' | Tema Archiv | 1992
    performance now allow products to be applied that provide cost effective solutions to the requirements for truly intelligent vehicle/highway systems ...