Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Shi-bing Zhang"'
Autor:
Shi-Bing Zhang, Ming Hong, Xiao-Yang Sun, Da Huang, Dan-Hua He, Yu-Fei Chen, Yong Yuan, Yong-Qiang Liu
Publikováno v:
Acta Materia Medica, Vol 1, Iss 3, Pp 302-313 (2022)
Silybin (SB), a natural flavonoid isolated from Silybum marianum, has been used to treat hepatic fibrosis in clinical settings and as a dietary supplement, because of its hepatoprotective potential. Numerous studies have shown that SB also exerts pro
Externí odkaz:
https://doaj.org/article/4ee6dec25f0948aa940e73a4635ea403
Autor:
Shi-Bing Zhang, Ming Hong, Xiao-Yang Sun, Da Huang, Dan-Hua He, Yu-Fei Chen, Yong Yuan, Yong-Qiang Liu
Publikováno v:
Acta Materia Medica, Vol 2, Iss 2, Pp 191-191 (2023)
Externí odkaz:
https://doaj.org/article/fb76e7792e864143af5324c92c61f68b
Publikováno v:
Tongxin xuebao, Vol 38, Pp 81-93 (2017)
The capacity issue of a denoise-and-forward(DNF) protocol was focused on based PNC system of frequency non-selective Rayleigh fading channel.First,the total sum-rate of the system was derived.With the derived sum-rate expression,two policies maximizi
Externí odkaz:
https://doaj.org/article/a02b0b9a9cbf4e55962f51d87d331c55
Publikováno v:
Tongxin xuebao, Vol 37, Pp 42-48 (2016)
A passive cluster model with the maximum lifetime was proposed for vehicle to vehicle communication based on the relative velocity. The cluster head was elected based on the average relative velocity and the neighbor list. The cluster lifetime was de
Externí odkaz:
https://doaj.org/article/13b0e04cc43443f6b4bf74a0766d6147
Publikováno v:
Tongxin xuebao, Vol 36, Pp 76-84 (2015)
It was shown that the quality of free-space optical communication system using OAM(orbital angular momentum)multiplexing was inevitably degraded by AT(atmospheric turbulence).A wavefront phase correction based on Gerchberg-Saxton algorithm to mitigat
Externí odkaz:
https://doaj.org/article/e045bcb7e95e4d18b8d593563eee8f28
Publikováno v:
Tongxin xuebao, Vol 34, Pp 119-125 (2013)
In order to improve the benefits generated by spectrum sharing, the spectrum management was studied and the agent-based dynamic spectrum trading algorithm was proposed. In the algorithm, the agent was used as a medium for spectrum trading, which redu
Externí odkaz:
https://doaj.org/article/27b9d16c71754292a2b740530190e9ca
Publikováno v:
Tongxin xuebao, Vol 33, Pp 111-117 (2012)
The algorithm divided the total relays into two subsections.The front subsection included N number of relays,and the later one included K−N number of relays.Firstly,the front N relays sensed the spectrum.If no more than mL number of relays had dete
Externí odkaz:
https://doaj.org/article/c374fb0686fb4138a0279ec32772bae1
Publikováno v:
Tongxin xuebao, Vol 33, Pp 128-135 (2012)
Aim at the shortages of the cooperative algorithm in sensing and time slot spent,an optimal cognitive users pairing and cooperative sensing algorithm was proposed.To achieve the best sensing performance,the pairing criterion was adopted where the one
Externí odkaz:
https://doaj.org/article/d31bb856d62a4578800209746ba5e73b
Publikováno v:
Tongxin xuebao, Vol 32, Pp 3-10 (2011)
Based on the optimal pairing the subcarriers of uplink and downlink,a spectrum resource allocation algorithm was proposed according to the subcarrier characteristics of the uplink and downlink in cognitive relay networks.The algorithm allocated the s
Externí odkaz:
https://doaj.org/article/2e9ff72b1bc64768b10bf96975b74087
Publikováno v:
Tongxin xuebao, Vol 32, Pp 95-103 (2011)
Focused on the characteristic of cyclostationary spectrum of signal and the spectrum sensing in low signal-to-noise ratio,an adaptive decision threshold spectrum sensing algorithm was proposed,which combines cyclostationary spectrum sensing with ener
Externí odkaz:
https://doaj.org/article/ecf2437f905e4aafb88af73f1e2efc18