Zobrazeno 1 - 10
of 137
pro vyhledávání: '"Shoufeng Tong"'
Autor:
Naiyuan Liang, Xiaonan Yu, Peng Lin, Shuai Chang, Huijun Zhang, Chen Su, Fengchen Luo, Shoufeng Tong
Publikováno v:
Sensors, Vol 24, Iss 7, p 2062 (2024)
Coherent Doppler wind lidar (CDWL) uses transmitted laser pulses to measure wind velocity distribution. However, the echo signal of CDWL is easily affected by atmospheric turbulence, which can decrease the signal-to-noise ratio (SNR) of lidar. To imp
Externí odkaz:
https://doaj.org/article/d7c2fa054fd640299ab2dfddaa2aeb91
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
To improve the bit error rate (BER) of underwater wireless laser communication and increase communication speed, a duplex underwater wireless laser communication system is designed. The system uses both blue and green lasers to transmit signals simul
Externí odkaz:
https://doaj.org/article/5fc3cf4f4dfc4009a6faa31b9cba1074
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
In order to achieve underwater wireless dynamic optical communication, a laser communication system is proposed based on Pulse Position Modulation (PPM). In order to achieve underwater laser communication accurately, the mathematical model of underwa
Externí odkaz:
https://doaj.org/article/3c74358e2c174b4aa2661c30141a60b6
Publikováno v:
Applied Sciences, Vol 13, Iss 23, p 12826 (2023)
Free space optical communication is developing towards laser communication networking. A novel method of quadrant detector (QD) multi-spot position detection based on orthogonal frequency division multiplexing (OFDM) is proposed for multi-spot laser
Externí odkaz:
https://doaj.org/article/e6c1c60f59394d25b431bd58cbd089eb
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 1, Pp 1-7 (2022)
Pulse position modulation (PPM) is a key technology for deep space optical communication (DSOC) system to improve the data transmission rate. To reach optimum rate, the modulation parameters of PPM are required to be analyzed. The rate can be improve
Externí odkaz:
https://doaj.org/article/b1e27d79d14442b6aec5b907f34b982b
Publikováno v:
IEEE Access, Vol 9, Pp 130751-130757 (2021)
In this paper, cascaded least mean square-least mean square (LMS-LMS) adaptive equalization scheme is proposed based on fiber coupling system, in order to improve the transmission performance of quadrature phase shift keying (QPSK) modulated optical
Externí odkaz:
https://doaj.org/article/eda311a6160243b9bd0f59c2e934a711
Autor:
Xiaonan Yu, Lei Xiao, Shuaihe Gao, Yansong Song, Lei Zhang, Haifeng Yao, Tong Wang, Xingchi Chen, Zhiming Jin, Chang Zhou, Shoufeng Tong
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 4, Pp 1-11 (2020)
The data transmission between 5G floating base stations will be an important application area of the free space optical (FSO) link, but the problem of atmospheric disturbance will directly affect the application effect. An atmospheric turbulence supp
Externí odkaz:
https://doaj.org/article/7ef47b97fb2043479a5e3c94837e5453
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 6, Pp 1-12 (2020)
The establishment of laser communication relies on high probability acquisition and then stably track with a high precision. However, the limitation of laser divergence and the interference may lead to unstable acquisition and tracking. In this paper
Externí odkaz:
https://doaj.org/article/7bb11bad2e0d4310a92028fe51d25e91
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 4, Pp 1-9 (2019)
Vibration interference reduces the precision of control system and leads to the instability of the satellite optical communication link. So how to improve the tracking accuracy of terminal system under vibration conditions is an important work for th
Externí odkaz:
https://doaj.org/article/906ef238f8594bae9d016b2c7782a91c
Publikováno v:
IEEE Access, Vol 7, Pp 35049-35059 (2019)
Vibration interference reduces the precision of the control system and leads to the instability of the satellite optical communication link. So how to improve the tracking accuracy of the terminal system under vibration conditions is an important wor
Externí odkaz:
https://doaj.org/article/3ce61221475c45a6a60aeab5a4414681