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81
Observations of Radio Magnetars with the Deep Space Network
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. …”
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82
Shorter Path Design and Control for an Underactuated Satellite
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. …”
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83
Rest-to-Rest Attitude Naneuvers and Residual Vibration Reduction of a Finite Element Model of Flexible Satellite by Using Input Shaper
Published 1999-01-01“…A three-dimensional rest-to-rest attitude maneuver of flexible spacecraft equipped by on-off reaction jets is studied. …”
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84
The Juno mission as a probe of long-range new physics
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. …”
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85
The Coupled Orbit-Attitude Dynamics and Control of Electric Sail in Displaced Solar Orbits
Published 2017-01-01“…Displaced solar orbits for spacecraft propelled by electric sails are investigated. …”
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86
Initial Parameter Analysis about Resonant Orbits in Earth-Moon System
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. …”
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87
Door-Triggering Mechanism for Large-Scale Rapid-Decompression Experiments
Published 2020-01-01Get full text
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88
Alignment Detection Technology of Chang’e-6 Primary Package Container
Published 2024-12-01Get full text
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89
Alpha Transmitter Signals Observed by the Van Allen Probes: Ducted Versus Nonducted Propagation
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. …”
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90
Thermally Conductive Shape-Stabilized Phase Change Materials Enabled by Paraffin Wax and Nanoporous Structural Expanded Graphite
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. …”
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91
Generating Solar Sail Trajectories in the Earth-Moon System Using Augmented Finite-Difference Methods
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. …”
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92
Integrated 6-DOF Orbit-Attitude Dynamical Modeling and Control Using Geometric Mechanics
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.…”
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93
Performance Improvement for Single-Photon LiDAR with Dead Time Selection
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94
Satellite In-Orbit Secondary Collision Risk Assessment
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.…”
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95
Analysis and Experimental Study on Dynamic Behavior of Stepper-Actuated Dual-Axis Data Transmission Antenna
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. …”
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96
Static and Dynamic Model Calibration for Upper Thermosphere Determination
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. …”
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97
Research on High-Precision Attitude Control of Joint Actuator of Three-Axis Air-Bearing Test Bed
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. …”
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98
Dynamic Modelling and Continuous Trajectory Tracking Control of Space Robots Based on Lie Group SE(3)
Published 2023-01-01Get full text
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99
Analytical Verification of the Normal Vector Determination Methods for Planar Magnetic Structures
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. …”
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100
MODELLING AND OPTIMIZATION DESIGN FRAMEWORK AND LAYOUT MICROSATELLITE EARTH OBSERVING
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.…”
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