Showing 81 - 100 results of 200 for search '"spacecraft"', query time: 0.04s Refine Results
  1. 81

    Observations of Radio Magnetars with the Deep Space Network by Aaron B. Pearlman, Walid A. Majid, Thomas A. Prince

    Published 2019-01-01
    “…The Deep Space Network (DSN) is a worldwide array of radio telescopes which supports NASA’s interplanetary spacecraft missions. When the DSN antennas are not communicating with spacecraft, they provide a valuable resource for performing observations of radio magnetars, searches for new pulsars at the Galactic Center, and additional pulsar-related studies. …”
    Get full text
    Article
  2. 82

    Shorter Path Design and Control for an Underactuated Satellite by Jung-Hyung Lee, Donghoon Kim, Jichul Kim, Hwa-Suk Oh

    Published 2017-01-01
    “…In the event of a control failure on an axis of a spacecraft, a target attitude can be achieved by several sequential rotations around the remaining control axes. …”
    Get full text
    Article
  3. 83

    Rest-to-Rest Attitude Naneuvers and Residual Vibration Reduction of a Finite Element Model of Flexible Satellite by Using Input Shaper by Setyamartana Parman, Hideo Koguchi

    Published 1999-01-01
    “…A three-dimensional rest-to-rest attitude maneuver of flexible spacecraft equipped by on-off reaction jets is studied. …”
    Get full text
    Article
  4. 84

    The Juno mission as a probe of long-range new physics by Praniti Singh, Shi Yan, Itamar J. Allali, JiJi Fan, Lingfeng Li

    Published 2025-01-01
    “…In this paper, for the first time, we apply the motion of a spacecraft around Jupiter to probe fifth forces that don’t violate the equivalence principle. …”
    Get full text
    Article
  5. 85

    The Coupled Orbit-Attitude Dynamics and Control of Electric Sail in Displaced Solar Orbits by Mingying Huo, He Liao, Yanfang Liu, Naiming Qi

    Published 2017-01-01
    “…Displaced solar orbits for spacecraft propelled by electric sails are investigated. …”
    Get full text
    Article
  6. 86

    Initial Parameter Analysis about Resonant Orbits in Earth-Moon System by Li-Bo Liu, Ying-Jing Qian, Xiao-Dong Yang

    Published 2019-01-01
    “…It is found that the eccentricity and initial phase are two important initial parameters of resonant orbits that affect the closest distance between the spacecraft and the Moon. Potential resonant transition or resonant flyby may occur depending on the possibility of the spacecraft approaching the Moon. …”
    Get full text
    Article
  7. 87
  8. 88
  9. 89

    Alpha Transmitter Signals Observed by the Van Allen Probes: Ducted Versus Nonducted Propagation by F. Němec, O. Santolík, G. B. Hospodarsky, W. S. Kurth

    Published 2022-06-01
    “…Experimentally distinguishing the two modes is complicated, as multicomponent spacecraft data typically do not extend to high enough frequencies with a sufficient frequency resolution. …”
    Get full text
    Article
  10. 90

    Thermally Conductive Shape-Stabilized Phase Change Materials Enabled by Paraffin Wax and Nanoporous Structural Expanded Graphite by Yilin Zhao, Shuhui Huang, Zhaoguo Jin, Zhongnan Xie, Hong Guo, Haofeng Xie

    Published 2025-01-01
    “…Paraffin wax (PW) has significant potential for spacecraft thermal management, but low thermal conductivity and leakage issues make it no longer sufficient for the requirements of evolving spacecraft thermal control systems. …”
    Get full text
    Article
  11. 91

    Generating Solar Sail Trajectories in the Earth-Moon System Using Augmented Finite-Difference Methods by Geoffrey G. Wawrzyniak, Kathleen C. Howell

    Published 2011-01-01
    “…Using a solar sail, a spacecraft orbit can be offset from a central body such that the orbital plane is displaced from the gravitational center. …”
    Get full text
    Article
  12. 92

    Integrated 6-DOF Orbit-Attitude Dynamical Modeling and Control Using Geometric Mechanics by Ling Jiang, Yue Wang, Shijie Xu

    Published 2017-01-01
    “…Finally, the integrated modeling and control are applied to the body-fixed hovering over an asteroid and verified by a simulation, in which absolute motions of the spacecraft and asteroid are simulated separately.…”
    Get full text
    Article
  13. 93
  14. 94

    Satellite In-Orbit Secondary Collision Risk Assessment by Haicheng Tao, Xueke Che, Qinyu Zhu, XinHong Li

    Published 2022-01-01
    “…The results indicate that the collision probability of Starlink satellite in orbit natural operation exceeds the red warning threshold 10-4 that the satellite disintegration after the first collision will generate 14088 pieces of debris over 1 cm, of which 4092 debris are potentially dangerous to other spacecraft, and that the collision probability to a satellite in the same orbit exceeds the red warning threshold of 10-4 within 30 minutes, implying that collision avoidance needs to be improved.…”
    Get full text
    Article
  15. 95

    Analysis and Experimental Study on Dynamic Behavior of Stepper-Actuated Dual-Axis Data Transmission Antenna by Zhaomingyue Zheng, Wei Cheng, Ming Li, Guangyuan Wang, Limeng Tan

    Published 2021-01-01
    “…The satellite-borne data transmission antenna is the main disturbing source of low-frequency microvibration of spacecraft, which immensely affects the image quality of remote sensing satellite. …”
    Get full text
    Article
  16. 96

    Static and Dynamic Model Calibration for Upper Thermosphere Determination by Haibing Ruan, Jiuhou Lei, Jianyong Lu

    Published 2024-12-01
    “…Abstract Thermospheric density, a crucial factor in spacecraft operations, poses a significant challenge in accurate determination due to the intricate coupling of the thermosphere‐ionosphere system. …”
    Get full text
    Article
  17. 97

    Research on High-Precision Attitude Control of Joint Actuator of Three-Axis Air-Bearing Test Bed by Zhiming Chen, Zhouhuai Luo, Yunhua Wu, Wei Xue, Wenxing Li

    Published 2021-01-01
    “…Three-axis air-bearing test bed is important semiphysical simulation equipment for spacecraft, which can simulate spacecraft attitude control, rendezvous, and docking with high confidence. …”
    Get full text
    Article
  18. 98
  19. 99

    Analytical Verification of the Normal Vector Determination Methods for Planar Magnetic Structures by Wai-Leong Teh

    Published 2025-01-01
    “…Two PMS events observed by the Advanced Composition Explorer spacecraft in the sheath of an interplanetary coronal mass ejection are presented. …”
    Get full text
    Article
  20. 100

    MODELLING AND OPTIMIZATION DESIGN FRAMEWORK AND LAYOUT MICROSATELLITE EARTH OBSERVING by M. A. Starasotnikau, R. V. Feodortsau

    Published 2015-03-01
    “…Proposed structure and layout of the target and on-board equipment microsatellite for remote sensing of the Earth, taking into account its impact on the main disturbing factors occurring in the derivation and operation of spacecraft in orbit. Recommendations on the choice of optimal design of micro power skeleton, based on modeling the impact on his body external loads.…”
    Get full text
    Article