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    Research on the Support and Gravitational Deformation of Large Aperture Primary Mirror of Space Telescopes

    Peng, Yang-Lin / Dai, Yi-Fan / Chen, Shan-Yong | Tema Archiv | 2012
    telescopes are used in weightless environments, which is different from the ground environment for optical machining and testing. Therefore the ...

    Defect free spinel ceramics of high strength and high transparency

    Sepulveda, Juan L. / Loutfy, Raouf O. / Chang, Sekyung | Tema Archiv | 2009
    for armored vehicles, aircrafts, and missiles. The novel spinel material exhibits high optical and IR transparency in the 0.3 - 5.5 my m ...
    Verlag: American Ceramic Society (ACS) , Westerville

    Instrumented hertzian indentation study of two commerical silicon carbides

    Miller, H.T. / McCuiston, R.C. / LaSalvia, J.C. | Tema Archiv | 2009
    ballistic threats. Pressureless-sintered SiCs are attractive alternatives to hot-pressed variants for some particular applications based upon cost ...
    Verlag: American Ceramic Society (ACS) , Westerville

    Microstructural examination and quasi-static property determination of sintered armor grade SiC

    Demirbas, Memduh V. / Haber, Richard A. / Brennan, Raymond E. | Tema Archiv | 2009
    in a sintered armor SiC tile. A set of several tiles had been previously scanned by ultrasound and one tile from that set was selected for ...
    Verlag: American Ceramic Society (ACS) , Westerville

    Optical SAR processor for space applications

    Bourqui, P. / Harnisch, B. / Marchese, L. et al. | Tema Archiv | 2008
    performed for the analysis of SAR image generation using an optical processor and describes the set-up of an optical SAR processor prototype ...

    Antimony-based superlattices for high-performance infrared imagers

    Walther, M. / Rehm, R. / Schmitz, J. et al. | Tema Archiv | 2008
    InAs/GaSb short-period superlattices (SL) for the fabrication of mono- and bispectral thermal imaging systems in the mid-wavelength ...

    Distributed pheromone-based swarming control of unmanned air and ground vehicles for RSTA

    Sauter, J.A. / Mathews, R.S. / Yinger, A. et al. | Tema Archiv | 2008
    describes lessons learned and the next steps for this promising technology. ...

    A study of active thermography approaches for the non-destructive testing and evaluation of aerospace structures

    Avdelidis, N.P. / Ibarra-Castanedo, C. / Marioli-Riga, Z.P. et al. | Tema Archiv | 2008
    The prerequisite for more competent and cost effective aircraft has led to the evolution of innovative testing and evaluation procedures ...

    Embedded formats for airport mapping databases

    Pschierer, C. / Schiefele, J. | Tema Archiv | 2008
    A new, open specification for embedded interchange formats for airport mapping databases has been established in the ARINC 816 document ...

    A MEMS-based infrared emitter array for combat identification

    San, Haisheng / Chen, Xuyuan / Xu, Peng et al. | Tema Archiv | 2008
    decreased. In experiment, the surface temperature distribution of IR emitter arrays were measured by thermal imaging system, and the optical ...

    Analysis of laser-ranging technology for sense and avoid operation of unmanned aircraft systems: the tradeoff between resolution and power

    Euliss, G. / Christiansen, A. / Athale, R. | Tema Archiv | 2008
    An investigation of power and resolution for laser ranging sensors is performed in relation to sense and avoid requirements of miniature ...

    Fiber optic sensor-based SHM technologies for aerospace applications in Japan

    Takeda, N. | Tema Archiv | 2008
    Optical fiber sensors are promising as tools for damage and structural health monitoring (SHM) of aerospace composite structures. Hence ...

    Hybrid, contact, and no contact measurement system for industry

    Sitnik, R. / Sladek, J. / Kupiec, M. et al. | Tema Archiv | 2008
    the paper we present a concept that combines the accuracy of coordinate measurement machines (CMM) and the speed of full-field optical methods ...

    Considerations on symbology, data requirements, and operational concept for integral NOTAM visualization on airport moving map displays

    Vernaleken, C. / Urvoy, C. / Klingauf, U. | Tema Archiv | 2008
    open even if contrary NOTAM information exists on paper elsewhere in the cockpit. This calls for an integrated representation of PIB/NOTAM and ...

    Onboard system for synchronizing video and telemetry on a small UAV

    Rodriguez, A. / Taylor, C. / Aregawi, Y. et al. | Tema Archiv | 2008
    Data acquisition with multiple sensors requires accurate registration in both time and space for effective data fusion. This paper presents ...

    Self-repairing composites for airplane components

    Dry, C. | Tema Archiv | 2008
    structure that repairs itself from impact damage. This is a technology for increasing damage tolerance for impact damage. Repaired damage would ...

    Development of NVG test maneuvers for civilian aircraft

    Jennings, S. / Craig, G. / Carignan, S. et al. | Tema Archiv | 2008
    of Canada's Institute for Aerospace Research. These techniques have been used to examine the performance of display systems in actual field ...

    Damage quantification using attenuation based signal processing for health monitoring in carbon fiber composites

    Reynolds, W. / Chattopadhyay, A. | Tema Archiv | 2008
    conditions. In the current research, a structural health monitoring (SHM) and prognosis framework is being developed for heterogeneous material ...

    Nanotechnology for aerospace: potential transitions from university research

    Agee, F.J. | Tema Archiv | 2008
    Nanotechnology is expected to provide the fundamental basis of the next two generations of products and processes. Impacts for applications ...

    Detection of impact damage on thermal protection systems using thin-film piezoelectric sensors for integrated structural health monitoring

    Na, J.K. / Kuhr, S.J. / Jata, K.V. | Tema Archiv | 2008
    is developing a reliable and robust on-board sensing/monitoring capability for next generation thermal protection systems to detect and ...

    Remote operation of the Black Knight unmanned ground combat vehicle

    Valois, J.S. / Herman, H. / Bares, J. et al. | Tema Archiv | 2008
    movement. Its state-of-the-art Autonomous Navigation Module (ANM) includes terrain-mapping sensors for route planning, terrain classification, and ...

    Damage detection and leakage alert of fiber composite wrapped tank for high pressure hydrogen storage

    Sun, Xiao-Yan / Huston, D.R. / Qin, Quan et al. | Tema Archiv | 2008
    Car manufactures are turning to high pressure hydrogen storage for on-broad power applications. Fiber-composite-wrapped high pressure ...

    Cognitive integration of aerial and ground views in remote vehicle operations

    Chadwick, R.A. / Gillan, D.J. | Tema Archiv | 2008
    matures. There are many proposals for the joint use of UAVs and UGVs working together to achieve mission goals. Due to the spatial perception ...

    Systems and technologies for enhanced coastal maritime security

    Carapezza, E.M. / Bucklin, A. | Tema Archiv | 2008
    This paper describes a design for an innovative command and control system for an intelligent coastal maritime security system. The ...

    Polarization measurements of automobile paints

    Goldstein, D.H. | Tema Archiv | 2008
    micrometer. Depolarization indices for all polarimetric measurements were calculated. ...

    Modeling and characterization of VCSEL-based avionics full-duplex ethernet (AFDX) gigabit links

    Ly, K.S. / Rissons, A. / Gambardella, E. et al. | Tema Archiv | 2008
    very attractive for high speed and short distances data communication links through optical fibers. Weight saving and Electromagnetic ...

    Detection of disbonds in a honeycomb composite structure using guided waves

    Baid, H. / Banerjee, S. / Joshi, S. et al. | Tema Archiv | 2008

    Higher probability of detection of subsurface land mines with a single sensor using multiple polarized and unpolarized image fusion

    El-Saba, A. / Bezuayehu, T. | Tema Archiv | 2008

    Inspection of Lamb waves in carbon fiber composites using shearographic interferometry

    Focke, O. / Hildebrand, A. / Kopylow, C. von et al. | Tema Archiv | 2008
    . The optical implementation of both techniques within the interferometically setup and experimental results with the possibility to measure the ...

    Keeping up with dynamics of next generation missiles

    Warden, M.A. / Hauser, R. / Hofstetter, P. et al. | Tema Archiv | 2008
    In an effort to comply with the increasing quest for higher dynamics and increased inertia of test units modern HWIL-systems are employing ...

    Structural health monitoring of aerospace applications with restricted geometry

    Underwood, R.T. / Swenson, E.D. / Soni, S.R. | Tema Archiv | 2008
    This paper presents a set of results from an experiment that is designed to evaluate a damage detection approach for through-thickness ...

    Demonstration of detectability of SHM system with FBG/PZT hybrid system in composite wing box structure

    Soejima, H. / Ogisu, T. / Yoneda, H. et al. | Tema Archiv | 2008

    Structural health monitoring of composites using integrated ultrasonic transducers

    Kobayashi, M. / Wu, K.T. / Song, L. et al. | Tema Archiv | 2008
    Two types of ultrasonic sensors are presented for structural health monitoring (SHM) and non-destructive testing (NDT) of graphite/epoxy ...

    Sustainable coastal sensor networks: technologies and challenges

    Carapezza, E.M. / Butman, J. / Babb, I. et al. | Tema Archiv | 2008
    This paper describes a distributed sensor network for a coastal maritime security system. This concept incorporates a network of small ...

    TopOwl(R) night vision improvements

    Lemoine, O. / Ebert, J.C. / Saviot, F. et al. | Tema Archiv | 2008
    TopOwl(R) is an original concept of binocular helmet mounted sight and display system (HMSD) for helicopters, where two image ...

    High performance LED lamps for the automobile: needs and opportunities

    Pohlmann, W. / Vieregge, T. / Rode, M. | Tema Archiv | 2007
    Light emitting diodes have been an option in automotive lighting for more than 15 years now. The capacities and colours of LEDs available ...

    GaInN LEDs: straight way for solid state lighting

    Zehnder, U. / Hahn, B. / Baur, J. et al. | Tema Archiv | 2007
    scalable to larger chip sizes: the brightness achieved for a 1 mm2 ThinGaN Power chip at 350 mA were 495 mW (445 nm) and 202 mW or 100 ...

    Sensors and systems for space applications: a methodology for developing fault detection, diagnosis, and recovery

    Edwards, J.L. / Beekman, R.M. / Buchanan, D.B. et al. | Tema Archiv | 2007
    essential for providing a safe abort timeline in the event of a catastrophic subsystem failure. In this paper, we discuss a practical and cost ...

    Evaluation of holographic subsurface radar for NDE of space shuttle thermal protection tiles

    Lu, T. / Snapp, C. / Chao, Tien-Hsin et al. | Tema Archiv | 2007
    Experiments have been carried out to evaluate holographic subsurface radar (RASCAN) for non-destructive evaluation (NDE) of subnominal bond ...

    Surveillance video with spatially registered graphics for decision support

    Majoros, A. / Ianni, J. / Davies, P. et al. | Tema Archiv | 2007
    , and presents a rapidly growing volume of content for those observers to understand and integrate. However, knowing the identity of objects and ...

    High durability antireflection coatings for silicon and multispectral ZnS

    Joseph, S. / Marcovitch, O. / Yadin, Y. et al. | Tema Archiv | 2007
    both day and night. In order to achieve such capabilities, advanced electro-optical systems are being constantly developed and improved. These ...

    Processing 3D flash LADAR point-clouds in real-time for flight applications

    Craig, R. / Gravseth, I. / Earhart, R.P. et al. | Tema Archiv | 2007
    autonomous flight software or pilots for immediate use in rendezvous and docking, proximity operations, landing, surface vision systems, and ...

    Reliability shortcomings for micro-nanotechnology-based systems

    Garcia, E.J. / Polosky, M.A. | Tema Archiv | 2007
    Micro nano technology-based systems (MNT-based systems) are expected to provide unprecedented capabilities for aerospace applications ...

    Performance analysis for standoff biological warfare agent detection lidar

    Steinvall, O. / Jonsson, P. / Kullander, F. | Tema Archiv | 2007
    , concentration and optical background level. The performance analysis supports the goal for a practical lidar system to detect 1000 particles/liter at 2 ...

    Addressing fiber optic sensors limitations for aircraft applications

    Mrad, N. | Tema Archiv | 2007
    problems within the aerospace community. Sensors with increased networking capability are seen to constitute the nervous system for any envisaged ...

    Flight assessment of a real time multi-resolution image fusion system for use in degraded visual environments

    Smith, M.I. / Sadler, J.R.E. | Tema Archiv | 2007
    experience has also shown the difficulty presented by certain terrain when operating at low altitude by day and night. For example, poor pilot cues ...

    Lane detection system for autonomous vehicle navigation

    Bhatia, A. | Tema Archiv | 2007
    This paper represents the vision processing solution used for lane detection by the Insight Racing team, for DARPA Grand Challenge 2007 ...

    Adsorption coefficients for TNT on soil and clay minerals

    Rivera, R. / Pabon, J. / Perez, O. et al. | Tema Archiv | 2007
    fractions were separated from the other soil components by centrifugation. Using the hydrometer method the particle size distribution for the soil ...

    Computational survey of representative energetic materials as propellants for microthruster applications

    Fuchs, B. / Stec, D. | Tema Archiv | 2007
    Microthrusters are critical for the development of terrestrial micromissiles and nano air vehicles for reconnaissance, surveillance, and ...

    Fibre-laser based ultra-low phase noise LO generation for future radar

    Staniforth, M.J. | Tema Archiv | 2007
    generation components, which require less laser power to drive them (from 100's of mW to 10 mW thus removing the need for optical power amplification ...

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