Zobrazeno 1 - 10
of 181
pro vyhledávání: '"Baoyan Duan"'
Publikováno v:
Engineering, Vol 36, Iss , Pp 90-101 (2024)
This study systematically introduces the development of the world’s first full-link and full-system ground demonstration and verification system for the OMEGA space solar power satellite (SSPS). First, the OMEGA 2.0 innovation design was proposed.
Externí odkaz:
https://doaj.org/article/c963a38f21b1410e9e6a7d8bc911df5f
Publikováno v:
Engineering, Vol 30, Iss , Pp 63-74 (2023)
This work presents an optimal design method of antenna aperture illumination for microwave power transmission with an annular collection area. The objective is to maximize the ratio of the power radiated on the annular collection area to the total tr
Externí odkaz:
https://doaj.org/article/7693ecd3a3ad4489810bca1a2a3e127d
Autor:
Baoyan Duan, Yi Huang
Publikováno v:
Engineering, Vol 30, Iss , Pp 1-2 (2023)
Externí odkaz:
https://doaj.org/article/76426f52c7c942a3bc9fa315af0d0622
Publikováno v:
Engineering, Vol 13, Iss , Pp 209-216 (2022)
The Qi Tai Telescope (QTT), which has a 110 m aperture, is planned to be the largest scale steerable telescope in the world. Ideally, the telescope’s repeated pointing accuracy error should be less than 2.5 arc seconds (arcsec); thus, the telescope
Externí odkaz:
https://doaj.org/article/c9347845fad844c3a021b72e2387e6aa
Autor:
Peiyuan Lian, Congsi Wang, Song Xue, Yan Wang, Yuefei Yan, Qian Xu, Baoyan Duan, Na Wang, Yuhu Duan, Yang Wu
Publikováno v:
Engineering, Vol 7, Iss 8, Pp 1047-1050 (2021)
Externí odkaz:
https://doaj.org/article/9673dee417d2470aad1d4b2c6150041b
Autor:
Yuefei Yan, Song Xue, Xinlan Hu, Peiyuan Lian, Qian Xu, Na Wang, Wulin Zhao, Yang Wu, Baoyan Duan, Congsi Wang
Publikováno v:
International Journal of Antennas and Propagation, Vol 2022 (2022)
Radio astronomy is a discipline of dynamics and wonders. The vast universe has many secrets to unravel. As one of the important facilities in this discipline, radio telescopes play a key role in collecting astronomical data and unraveling mysteries.
Externí odkaz:
https://doaj.org/article/f0236c72f895474b96fc256759467749
Publikováno v:
Fire, Vol 6, Iss 1, p 7 (2022)
The coal-seam fire is one of the most significant disasters in the coal mining industry in China, affecting the safety of coal production in China. The working-position risk in coal mining has an important impact on the risk of fire occurrence, and t
Externí odkaz:
https://doaj.org/article/a48ba5981b8247a68abc85345bdfc898
Autor:
Kwai Man Luk, Baoyan Duan
Publikováno v:
Engineering, Vol 11, Iss , Pp 1-2 (2022)
Externí odkaz:
https://doaj.org/article/5074ef57337c4e7aa14b6917752da90c
Publikováno v:
IEEE Access, Vol 7, Pp 140328-140335 (2019)
In order to ensure the electrical performance of the reflector antenna, the surface accuracy constraint need to be satisfied during the structure design. Different calculating methods can get different accuracy values, then influence the difficulty o
Externí odkaz:
https://doaj.org/article/4766690506174357b0b08368b23c57c9
Autor:
Congsi Wang, Haihua Li, Kang Ying, Qian Xu, Na Wang, Baoyan Duan, Wei Gao, Lan Xiao, Yuhu Duan
Publikováno v:
International Journal of Antennas and Propagation, Vol 2018 (2018)
With the development of radio telescope antennas with large apertures, high gain, and wide frequency bands, compensation methods, such as mechanical or electronic compensation, are obviously essential to ensure the electrical performance of antennas
Externí odkaz:
https://doaj.org/article/aac1ed6ab16145b5966af0b0f43fe7f6