Showing 441 - 460 results of 1,484 for search '"satellites"', query time: 0.05s Refine Results
  1. 441
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  3. 443

    Maximum Mixture Correntropy Criterion-Based Variational Bayesian Adaptive Kalman Filter for INS/UWB/GNSS-RTK Integrated Positioning by Sen Wang, Peipei Dai, Tianhe Xu, Wenfeng Nie, Yangzi Cong, Jianping Xing, Fan Gao

    Published 2025-01-01
    Subjects: “…inertial navigation system (INS)/ultra-wideband (UWB)/global navigation satellite system real-time kinematic (GNSS-RTK)…”
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  4. 444
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  6. 446

    Blending 2D topography images from the Surface Water and Ocean Topography (SWOT) mission into the altimeter constellation with the Level-3 multi-mission Data Unification and Altime... by G. Dibarboure, C. Anadon, F. Briol, E. Cadier, R. Chevrier, A. Delepoulle, Y. Faugère, A. Laloue, R. Morrow, N. Picot, P. Prandi, M.-I. Pujol, M. Raynal, A. Tréboutte, C. Ubelmann

    Published 2025-01-01
    “…In contrast, some research domains and applications require consistent multi-mission observations, such as the Level-3 ocean products provided by the Data Unification and Altimeter Combination System (DUACS) for almost 3 decades and with 20 different satellites. In this paper, we describe how we extended the Level-3 algorithms to handle SWOT's unique swath-altimeter data. …”
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  7. 447
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    Estimation of Daily Sunshine Duration from Terra and Aqua MODIS Data by H. M. Kandirmaz, K. Kaba

    Published 2014-01-01
    “…Some studies have shown that the estimation of global sunshine duration can be done with the help of geostationary satellites because they can record several images of the same location in a day. …”
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  9. 449

    Improvement of Carrier Phase Tracking Based on a Joint Vector Architecture by Shaohua Chen, Yang Gao

    Published 2017-01-01
    “…Since the joint vector based tracking loops jointly process the signals of all available satellites, the potential interchannel influence between different satellites is also investigated.…”
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  10. 450

    Relative Navigation in LEO by Carrier-Phase Differential GPS with Intersatellite Ranging Augmentation by Alfredo Renga, Michele Grassi, Urbano Tancredi

    Published 2013-01-01
    “…Carrier-phase differential GPS (CDGPS) is a promising technology for accurate relative navigation in LEO formations of cooperating satellites, but navigation filter robustness against poor GPS geometry and noisy measurements has to be improved. …”
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  11. 451

    ALGUNAS APLICACIONES RECIENTES DE LA TÉCNICA DE RADIO OCULTAMIENTO SATELITAL EN EL ESTUDIO DE PROCESOS ATMOSFÉRICOS by Alejandro de la Torre, Pedro Alexander, Pablo Llamedo, Rodrigo Hierro, Horacio Pessano, Andrés Odiard

    Published 2013-12-01
    “…In the last years, the use of radio occultation (RO) technique to observe the terrestrial atmosphere and the climate takes advantage of the occultation of the Sun, the Moon, the stars and principally of artificial satellites of low height (LEO). In the latter case, crossed signs between LEO and GPS satellites are used. …”
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  12. 452

    Design and manufacture of CubeSat-type nanosatellite thermal subsystem by Braulio Peraza-Acosta, Jesús Irán Grageda-Arellano, Carlos Couder-Castañeda, Jaime Meléndez-Martínez, Diego Alfredo Padilla-Pérez, Arturo Solis-Santome

    Published 2025-01-01
    “…The design encompasses two stages: regulating the satellite’s temperature range through implementing passive control based on multilayer coatings and an electronic board capable of measuring the internal surface temperature of each of the satellite’s six faces. …”
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  13. 453

    Thermal Design and Experimental Validation of a Lightweight Microsatellite by Hongzhou Huang, Changgen Bu

    Published 2025-01-01
    “…The multiple working modes, complex working conditions, frequent changes in external heat flux, and high-power consumption of satellites all pose great difficulties to their thermal design. …”
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  14. 454

    Passive Radar-Based Parameter Estimation of Low Earth Orbit Debris Targets by Justin K. A. Henry, Ram M. Narayanan

    Published 2025-01-01
    “…These objects continue to grow in number as satellites are imploded and space debris impacts each other, causing fragmentation. …”
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  15. 455

    ANÁLISIS ESPECTRAL DE NUBES DE SAL ORIGINADAS EN LAS CERCANÍAS DE LA LAGUNA DE MAR CHIQUITA UTILIZANDO SENSORES REMOTOS by Diana Rodriguez, Silvana Carina Bolzi, Ines Velazco, Mónica Marino

    Published 2013-12-01
    “…From 2006 observations from space with different satellites allowed document the presence of white clouds originating from the salt that is raised from the ground with intensity winds occur. …”
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  16. 456

    The Refraction Correction of Elevation Angle for the Mean Annual Global Reference Atmosphere by Leke Lin, Xiangming Chen, Ranran Hu, Zhenwei Zhao

    Published 2020-01-01
    “…In some frequency-sharing studies between fixed service and space radiocommunication services, including fixed-satellite, broadcasting-satellite, and space science services, it is necessary to estimate the apparent elevation angle of a space station, taking into account the atmospheric refraction. …”
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  17. 457

    A Smart Electronic Tagging System Based on Context Awareness and Machine-to-Machine Interworking by Gil-Yong Lee, Nam-Yeol Yun, Sung-Chul Lee, Soo-Hyun Park

    Published 2013-10-01
    “…The existing electronic tagging system traces the location of a sex offender using triangulation by communicating with Global Positioning System (GPS) satellites and mobile phone base stations. The acquired location information is used to prevent the offenders from perpetrating repeat crimes. …”
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  18. 458

    Assessments of F16 Special Sensor Microwave Imager and Sounder Antenna Temperatures at Lower Atmospheric Sounding Channels by Banghua Yan, Fuzhong Weng

    Published 2009-01-01
    “…The main reflector of the Special Sensor Microwave Imager/Sounder (SSMIS) aboard the Defense Meteorological Satellite Program (DMSP) F-16 satellite emits variable radiation, and the SSMIS warm calibration load is intruded by direct and indirect solar radiation. …”
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    Development of Engineering Models of Nanosatellites for Student Training by V. Е. Evchik, A. A. Spiridonov, D. V. Ushakov, V. S. Baranova, I. A. Shalatonin, V. A. Saechnikov

    Published 2022-10-01
    “…They allow testing hardware and software of the onboard equipment and payload, simulating operation modes, and flight programs, and enable students to gain practical skills in working with ultra-small satellites. The complexes include ground stations, 2 ultra-small satellite simulators, BSUSAT-1 low-orbit nanosatellite, remote access laboratory, local and external servers for data storage. …”
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