Influence mechanism of repetition frequency on pulse position modulation in deep space laser communication
Sign Up to like & getrecommendations! Published in 2018 at "Cluster Computing"
DOI: 10.1007/s10586-018-2313-x
Abstract: Taking the deep space laser communication as the application background, based on multi-pulse position modulation and differential pulse position modulation, a new differential multi-pulse position modulation (DMPPM) mode is proposed. The DMPPM theory model is… read more here.
Keywords: pulse position; modulation; laser; position modulation ... See more keywords
Deep space optical communications (DSOC) downlink simulation with varying PPM order
Sign Up to like & getrecommendations! Published in 2021 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-021-03232-z
Abstract: During the course of a typical deep space mission like the Mars Earth mission, there exist a wide range of operating points, due to the different changes in geometry that consequently cause different link budgets… read more here.
Keywords: deep space; space optical; order; data rates ... See more keywords
Research on Self-Adaptive Group Key Management in Deep Space Networks
Sign Up to like & getrecommendations! Published in 2020 at "Wireless Personal Communications"
DOI: 10.1007/s11277-020-07540-7
Abstract: Deep space network is a must-have technology to improve communication, navigation, and propulsion in future space missions, a very long physical distance among space entities is difficult to overcome efficiently as a space mission could… read more here.
Keywords: space; reliable end; decryption; end end ... See more keywords
Effective search strategy via internal state transition graphs on onboard planning for deep space probes
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.04.056
Abstract: Abstract As to support the mission of Mars exploration in China, automated onboard planning is required to enhance the security and robustness of deep space probes. Onboard planning here is a term that defines a… read more here.
Keywords: state; internal state; onboard planning; state transition ... See more keywords
ALCIDES: A novel lunar mission concept study for the demonstration of enabling technologies in deep-space exploration and human-robots interaction
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.06.004
Abstract: Abstract Returning to the Moon has kept gaining interest lately in the scientific community as a mandatory step for answering a cohort of key scientific questions. This paper presents a novel Lunar mission design to… read more here.
Keywords: exploration; space exploration; mission; novel lunar ... See more keywords
RPRS: a reactive plan repair strategy for rapid response to plan failures of deep space missions
Sign Up to like & getrecommendations! Published in 2020 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2020.05.011
Abstract: Abstract There are always various uncertainties in a deep space exploration mission, which induce a significant impact on plan execution and may cause plan failures. In such case, remote control from the Earth is too… read more here.
Keywords: plan failures; plan; plan repair; strategy ... See more keywords
Design and experimental research on buffer protection of high-g penetrator for deep space exploration
Sign Up to like & getrecommendations! Published in 2021 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2021.08.020
Abstract: Abstract Deep space exploration technology is an important development direction for scientific exploration. The penetrator method has been proposed as an inexpensive method of studying planetary bodies. The basic principle of this method is that… read more here.
Keywords: deep space; protection; penetrator; space exploration ... See more keywords
Comparisons of HighâLinear Energy Transfer Spectra on the ISS and in Deep Space
Sign Up to like & getrecommendations! Published in 2019 at "Space Weather"
DOI: 10.1029/2018sw002103
Abstract: In deep space, personnel and equipment are exposed to the space radiation environment in the form of energetic particles, specifically galactic cosmic rays and sporadic solar energetic particle events. Radiation fields resulting from these particles… read more here.
Keywords: deep space; radiation; energy transfer; high linear ... See more keywords
Novel Deep Space Nuclear Electric Propulsion Spacecraft
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear Technology"
DOI: 10.1080/00295450.2020.1832814
Abstract: Abstract The space industry is expanding at an increasing rate. While most efforts are currently focused on Earth and lunar orbits, it is only a matter of time before affordable exploration missions into deep space… read more here.
Keywords: space; electric propulsion; power; nuclear electric ... See more keywords
BioSentinel: Long-Term Saccharomyces cerevisiae Preservation for a Deep Space Biosensor Mission.
Sign Up to like & getrecommendations! Published in 2020 at "Astrobiology"
DOI: 10.1089/ast.2019.2073
Abstract: The biological risks of the deep space environment must be elucidated to enable a new era of human exploration and scientific discovery beyond low earth orbit (LEO). There is a paucity of deep space biological… read more here.
Keywords: saccharomyces cerevisiae; space; long term; mission ... See more keywords
BioSentinel: Validating Sensitivity of Yeast Biosensors to Deep Space Relevant Radiation.
Sign Up to like & getrecommendations! Published in 2023 at "Astrobiology"
DOI: 10.1089/ast.2022.0124
Abstract: With the imminent human exploration of deep space, it is more important than ever to understand the biological risks of deep space radiation exposure. The BioSentinel mission will be the first biological payload to study… read more here.
Keywords: space like; space; yeast; space radiation ... See more keywords