Showing 141 - 160 results of 1,434 for search '"low Earth orbit"', query time: 0.34s Refine Results
  1. 141

    Monitoring of Composite Structures for Re-Usable Space Applications Using FBGs: The Influence of Low Earth Orbit Conditions by Thibault Juwet, Geert Luyckx, Alfredo Lamberti, Frank Creemers, Eli Voet, Jeroen Missinne

    Published 2024-01-01
    “…In this paper, we investigated the influence of low Earth orbit (LEO) conditions on the integrity of composite structures with embedded optical fiber sensors, specifically FBGs. …”
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    Dynamic Beam Scheduling of Multibeam Low Earth Orbit Satellites Based on an Enhanced Artificial Bee Colony Algorithm by Debin Wei, Dongdong Zheng, Chengsheng Pan, Li Yang

    Published 2022-01-01
    “…The application of beam-hopping technology to low earth orbit satellites can effectively achieve flexible allocation and efficient utilization of on-board resources. …”
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    Design and Realization of an X Band Monopulse Feed Antenna for Low Earth Orbit (LEO) Satellite Ground Station by İsmail Şişman, Tugba Haykir Ergin, Duygun Erol Barkana, Hüseyin Arda Ülkü

    Published 2024-01-01
    “…In this work, design of a five-element compact dual-polarization X band monopulse feed antenna using a 7.3 m Cassegrain-type reflector for Low Earth Orbit (LEO) satellite ground station is presented. …”
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  8. 148
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    Angles-Only Initial Orbit Determination of Low Earth Orbit (LEO) Satellites Using Real Observational Data by Hyewon Hwang, Sang-Young Park, Eunji Lee

    Published 2019-09-01
    “…In this study, the characteristics of four Initial Orbit Determination (IOD) methods were analyzed using artificial observational data from Low Earth Orbit satellites, and an appropriate IOD method was selected for use as the initial value of Precise Orbit Determination using OWL-Net data. …”
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    Downlink Analysis of a Low-Earth Orbit Satellite Considering an Airborne Interference Source Moving on Various Trajectory by Eunjung Kang, YoungJu Park, JungHoon Kim, Hosung Choo

    Published 2024-01-01
    “…This paper analyzes low-Earth-orbit (LEO) satellite downlinks when an airborne interference source moves parallel to the satellite trajectory by considering the relative angle differences between the satellites and the interference sources. …”
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  12. 152

    Proteomic and Metabolomic Profiling of Deinococcus radiodurans Recovering After Exposure to Simulated Low Earth Orbit Vacuum Conditions by Emanuel Ott, Yuko Kawaguchi, Natalie Özgen, Akihiko Yamagishi, Elke Rabbow, Petra Rettberg, Wolfram Weckwerth, Wolfram Weckwerth, Tetyana Milojevic

    Published 2019-04-01
    “…A long-term space exposure of D. radiodurans has been performed in Low Earth Orbit (LEO) in frames of the Tanpopo orbital mission aiming to investigate the possibility of interplanetary life transfer. …”
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    Modeling the Topside Ionosphere Effective Scale Height through In Situ Electron Density Observations by Low-Earth-Orbit Satellites by Alessio Pignalberi, Michael Pezzopane, Tommaso Alberti, Igino Coco, Giuseppe Consolini, Giulia D’Angelo, Paola De Michelis, Fabio Giannattasio, Bruno Nava, Mirko Piersanti, Roberta Tozzi

    Published 2023-06-01
    “…The methodology developed in this study for the topside effective scale height modeling turns out to be applicable not only to CSES—01 satellite data but to any in situ <i>N</i><sub>e</sub> observation by low-Earth-orbit satellites orbiting in the topside ionosphere.…”
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  17. 157

    Analysis of a Low-Earth Orbit Satellite Downlink Considering Antenna Radiation Patterns and Space Environment in Interference Situations by Eunjung Kang, Junmo Yang, YoungJu Park, JungHoon Kim, WookHyeon Shin, Yong Bae Park, Hosung Choo

    Published 2023-03-01
    “…This paper investigates a low-Earth orbit (LEO) satellite downlink for high-speed data communication in interference situations. …”
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    Development of an Atomic-Oxygen-Erosion-Resistant, Alumina-Fiber-Reinforced, Fluorinated Polybenzoxazine Composite for Low-Earth Orbital Applications by Leah Oppenheimer, Malavika Ramkumar, Irlaine Machado, Chris Scott, Scott Winroth, Hatsuo Ishida

    Published 2022-12-01
    “…The Tg of the resin, as determined by DMA of the composite, could reach as high as 308 °C when post-curing and the POSS additive were utilized. The low-Earth orbit atomic-oxygen erosion rate was simulated by an RF plasma asher/etcher. …”
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