Zobrazeno 1 - 10
of 258
pro vyhledávání: '"space laser communication"'
Autor:
Alex Masaea, Martin Kubokale, Amit Krishan Kumar, Rahul R. Kumar, Mansour H. Assaf, Sushil Kumar
Publikováno v:
IEEE Access, Vol 12, Pp 128662-128676 (2024)
Ground simulation methods have gained significant research attention due to their effectiveness. We propose a ground simulation method for space laser communication with a transmission distance of 53,000 km in free space using the laser as a means of
Externí odkaz:
https://doaj.org/article/66a16daef62b48f1ac107241f5becbb2
Publikováno v:
Applied Sciences, Vol 14, Iss 8, p 3362 (2024)
In space laser communication, the wide divergence angle of beacon light leads to substantial spatial losses, compounded by background light and detector noise; this results in compromised precision in the detection of the beacon light position. To so
Externí odkaz:
https://doaj.org/article/52bf2e64f53b4ffcb4548a3b905c989d
Autor:
WANG Zhong-zhong, AO Xue-yuan, ZHANG Shen-mao, ZHANG Da-wei, LIU Chen, YANG Qi, XIONG Liang-ming
Publikováno v:
Guangtongxin yanjiu, Pp 18-22 (2022)
Aiming at the low receiving power of space laser communication, a real-time space laser Pulse Position Modulation (PPM) communication system with high receiver sensitivity is designed and implemented in this paper and the transmission rate of this sy
Externí odkaz:
https://doaj.org/article/ecae9e541be142bd8f586316a28245c1
Autor:
Zhong-zhong WANG, Xue-yuan AO, Shen-mao ZHANG, Da-wei ZHANG, Chen LIU, Qi YANG, Liang-ming XIONG
Publikováno v:
Guangtongxin yanjiu, Iss 1, Pp 18-22 (2022)
Aiming at the low receiving power of space laser communication, a real-time space laser Pulse Position Modulation (PPM) communication system with high receiver sensitivity is designed and implemented in this paper and the transmission rate of this sy
Externí odkaz:
https://doaj.org/article/337943fcdbf14e8aaed1ae25a9cee3a0
Publikováno v:
Photonics, Vol 10, Iss 11, p 1179 (2023)
Piezoelectric fast steering mirror (PZT FSM) is the core component of the fine tracking system for space laser communication, and its actuator is a piezoelectric ceramic. Consequently, there is a hysteretic nonlinear disturbance throughout the entire
Externí odkaz:
https://doaj.org/article/7c4f856ddedd4b238232cb62b930ed62
Publikováno v:
Photonics, Vol 10, Iss 10, p 1176 (2023)
Satellite laser communication is a promising technology for the next-generation communication system. Its communication performance is subject to the APT beam-pointing accuracy. One of the most important problems is reducing the coaxiality error befo
Externí odkaz:
https://doaj.org/article/79a06fcf83074c02bb3587f8ce96f590
Akademický článek
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Publikováno v:
Guangtongxin yanjiu, Pp 18-23,32 (2022)
Aiming at the modulation problem of high energy efficiency and high sensitivity in the space laser communication system, the Differential Pulse Position Modulation (DPPM) format is studied and applied to the coherent optical communication system. The
Externí odkaz:
https://doaj.org/article/ce9c28e9cf3f4d7f8b113bf9400d43ca
Publikováno v:
Guangtongxin yanjiu, Iss 5, Pp 18-23,32 (2022)
Aiming at the modulation problem of high energy efficiency and high sensitivity in the space laser communication system, the Differential Pulse Position Modulation (DPPM) format is studied and applied to the coherent optical communication system. The
Externí odkaz:
https://doaj.org/article/d288e39569174d52bd3f858b30926c71
Publikováno v:
International Journal of Optomechatronics, Vol 15, Iss 1, Pp 19-31 (2021)
The geometrical error caused pointing error is an inevitable problem in space satellite laser communication terminals which can affect the pointing accuracy of the APT (acquisition pointing and tracking) system greatly, in order to facilitate the ass
Externí odkaz:
https://doaj.org/article/42ceb27f48344d748735b8ffac7eea90