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Research on Main Parameters of Deep Space Laser Communication Terminal
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Gongxuan CHEN1, Wei ZHANG1, 2, Hui YE1, Yang LIU1, Haipeng WANG2
Journal of Telemetry, Tracking and Command | 2024, 45(4) : 66 - 74
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Journal of Telemetry, Tracking and Command | 2024, 45(4): 66-74
• TT & C Communication and Navigation •
Research on Main Parameters of Deep Space Laser Communication Terminal
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Gongxuan CHEN1, Wei ZHANG1, 2, Hui YE1, Yang LIU1, Haipeng WANG2
Affiliations
  • 1.Shanghai Institute of Satellite Engineering, Shanghai 201100, China
  • 2.Deep Space Exploration Laboratory, Hefei 230000, China
Published: 2024-07-15 doi: 10.12347/j.ycyk.20231102001
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According to the application environment of deep space laser communication, this paper analyzes the key performance indicators in the communication link. After taking into account factors such as distance spot diffusion attenuation, pointing control accuracy attenuation, atmospheric attenuation, solar radiation, detector dark current noise etc., this paper determines the specific calculation method of communication rate and communication bit error rate. Through formula derivation, the impact of the transmitter telescope diameter (laser beam divergence angle) and pointing control accuracy on the maximum communication distance is analyzed, and numerical simulation is used to support and further analyze the constraint relationships between transmitter telescope diameter (laser beam divergence angle) and pointing control accuracy and proposed design methods for the design of deep space laser communication links. The performance of laser links in the scenarios of earth-moon space and earth-Mars space under the existing laser communication capabilities is further calculated.

Deep space laser communication  /  Divergence angle  /  Pointing control accuracy  /  Link performance
Gongxuan CHEN, Wei ZHANG, Hui YE, Yang LIU, Haipeng WANG. Research on Main Parameters of Deep Space Laser Communication Terminal[J]. Journal of Telemetry, Tracking and Command, 2024 , 45 (4) : 66 -74 . DOI: 10.12347/j.ycyk.20231102001
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Year 2024 volume 45 Issue 4
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Article Info
doi: 10.12347/j.ycyk.20231102001
  • Receive Date：2023-11-02
  • Online Date：2026-03-20
  • Published：2024-07-15
Article Data
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History
  • Received：2023-11-02
  • Revised：2023-12-05
Affiliations
    1.Shanghai Institute of Satellite Engineering, Shanghai 201100, China
    2.Deep Space Exploration Laboratory, Hefei 230000, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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