1–18 von 18 Ergebnissen
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    Determination of Mass Properties for the VX-SAT Communication Satellite

    Alvarez, Jose | Tema Archiv | 2011
    communication satellite using suitable software’s and the importance of the process to collect the mass budget information to get the more reliable ...

    International Conference on Japanese Earth Observation Programs: ADEOS Workshop

    NTIS | 1990
    Schlagwörter: Satellite sounding , Satellite-borne instruments , Satellite observation , Data systems , Ocean data acquisitions systems , Satellite communication , Satellite imagery , Satellite transmission , ADEOS satellite

    Fiber grating devices for WDM communication systems

    Strasser, T. A. / Optical Society of America | British Library Conference Proceedings | 1997

    Performance Studies of Low Earth Orbit Satellite (LEOS) Communication Networks for Global Communications

    Raines, R. A. / Janoso, R. F. / Stenger, D. K. et al. | British Library Conference Proceedings | 1997

    Interface verification and satellite-ground testing of high-precision time comparison system between LEO satellites and Beidou satellites

    Zhang, Jian / Dong, Shaowu / Yuan, Haibo et al. | IEEE | 2023
    In recent years, LEO satellite systems have become a research hotspot for scholars both domestically and internationally, and their ...

    Digital control of a geostationary satellite using a double gimballed momentum wheel

    Broquet, J. | Tema Archiv | 1975
    Drehzahlmesser und Schubsystem ist diese Korrekturanordnung zusammengestellt. Die Digitalsteuerung dieses Systems arbeitet mit Bord-Impulsgeber, Resolver ...

    A transcoding robust data hiding method for image communication applications

    Candan, C. | IEEE | 2005
    multi-language captions, interactive programming and title specific features over the existing image communication channel. To this arm, we ...

    Ground-to-satellite narrow-laser-beam transmission direction-adjustment method using backscattered laser beam image [3932-21]

    Toyoda, M. / Araki, K. / SPIE | British Library Conference Proceedings | 2000
    Schlagwörter: free-space laser communication technologies , laser communication technologies

    Ground Radar Polarimetric Observations of High-Frequency Earth-Space Communication Links

    Bolen, Steve / Chandrasekar, V. / Benjamin, Andrew | NTRS | 2002
    Strategic roadmaps for NASA's Human Exploration and Development of Space (REDS) enterprise support near-term high-frequency communication ...

    A computation method of differential corrections for virtual maritime reference station based on AIS

    Seo, Ki-Yeol / Park, Sang-Hyun / Jeong, Ho-Cheol et al. | Tema Archiv | 2010
    method for generating the optimized differential corrections for onboard systems using the communication network. Therefore it proposes an ...
    Schlagwörter: mobile Kommunikation , GNSS (global navigation satellite system)

    Numerical Analysis of Magnetic and Plasma Characteristics of the DC Ring Cusp Discharge Ion Thruster

    Ranasinghe, Naveen Deshan / Wijesiriwardana, R. | IEEE | 2021
    Electric propulsion systems are developed as efficient satellite propulsion systems over the years. In the electric propulsion arena, three ...

    Zoom FFT for millimeterwave additive noise measurement

    Carter, T. / Pergande, A. / DeLisio, M. | IEEE | 2004
    Additive phase noise and modulation can compromise communication or radar systems. Measurements typically require high resolution analog ...

    Opportunities for NRL WARLOC radar validation and calibration of NASA Earth Observing Space Missions

    Danly, B.G. / Miller, S.D. / Manheimer, W. et al. | IEEE | 2004
    contemporary radar systems. The NASA CloudSat satellite, planned for launch in early 2005, features a nadir pointing non-coherent W-band cloud ...

    Ray-tracing simulations to determine indoor channel characteristics in THz pico cells coated with dielectric mirrors

    Piesiewicz, R. / Jemai, J. / Koch, M. et al. | IEEE | 2004
    Future broadband wireless communication systems working with THz carrier waves may cover a single room or building. Coverage could be ...

    Mobile on-demand services for mobility and traffic

    Kuhne, R. / Dalaff, C. / Ruhe, M. et al. | Tema Archiv | 2003
    features a satellite constellation with imaging synthetic aperture radar (SAR) and optical payloads combined with low-rate communication especially ...

    GPR in railroad investigations

    Olhoeft, Gary R. / Smith, Stan / Hyslip, J.P. et al. | Tema Archiv | 2005
    (spare ties and rails, sand barrels, etc.), power and communication systems (including third rails and overhead or underground systems) requiring ...

    Low Power Ground-Based Laser Illumination for Electric Propulsion Applications

    Lapointe, Michael R. / Oleson, Steven R. | NTRS | 1994
    laser ground stations economically attractive. The required number of satellites is typically below that of proposed communication satellite ...