Search Results - "Zhai, Chao"

Turbulence spectrum model and fiber-coupling efficiency in the anisotropic non-Kolmogorov satellite-to-ground downlink by Zhai, Chao

“…Increasing experimental and theoretical results have confirmed that the anisotropy of turbulence cells cannot be ignored in the atmospheric turbulence. The…”
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Fiber-coupling efficiency of a Gaussian-beam in anisotropic non-Kolmogorov turbulence in the presence of random angular jitter by Zhai, Chao

“…•The fiber-coupling efficiency in the presence of random angular jitter was developed.•The model meets weak-to-strong anisotropic non-Kolmogorov…”
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Probability density function of fiber-coupling efficiency and temporal power spectrum of irradiance fluctuations in the anisotropic non-Kolmogorov satellite-to-ground downlink by Zhai, Chao

“…As many related experimental and theoretical results are identified, scholars have found that the anisotropy of turbulence cells is indispensable in the…”
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Cooperative Spectrum Sharing With Wireless Energy Harvesting in Cognitive Radio Networks by Chao Zhai, Ju Liu, Zheng, Lina

“…We study cooperative spectrum sharing in cognitive radio networks with wireless energy harvesting (EH), where all the primary and secondary users are overlaid…”
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Is the Anisotropic Tilt Angle Necessary in the Turbulence Spectrum of Refractive-Index Fluctuations? by Zhai, Chao

“…With the deepening of atmospheric turbulence research, scientists have discovered that the anisotropy of turbulence cells cannot be ignored. The anisotropic…”
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Anisotropic Non-Kolmogorov Turbulence Spectrum with Anisotropic Tilt Angle by Zhai, Chao

“…With the in-depth study of atmospheric turbulence, scholars have identified that the anisotropy of turbulence cells should not be forgotten. The anisotropic…”
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Simultaneous Wireless Information and Power Transfer for Downlink Multi-User Massive Antenna-Array Systems by Wang, Xinhua, Zhai, Chao

“…We propose a simultaneous wireless information and power transfer scheme based on the power-splitting technique for the downlink of multi-user massive…”
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A novel idea: Calculating anisotropic turbulence only by Kolmogorov structure constant Cn2 and power law α by Zhai, Chao

“…As stated in the present research, the anisotropic non-Kolmogorov turbulence model is more in line with the actual turbulence. However, anisotropic factor is…”
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Cooperative Strategies for Wireless-Powered Communications: An Overview by Chen, He, Zhai, Chao, Li, Yonghui, Vucetic, Branka

“…RF energy transfer and harvesting has been intensively studied recently as a promising approach to significantly extend the lifetime of energy-constrained…”
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Two-hop cognitive DF relaying with wireless power transfer in time and power domains by Zheng, Lina, Zhai, Chao

“…In this paper, we consider a wireless powered cognitive relaying system with a secondary relay (SR) capable of harvesting wireless energy. Along with an access…”
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Low voltage optical fiber positioner robot based on minimum inductance hollow cup motors by Guo, Shaoxiong, Zhai, Chao, Bi, Songlin

“…With the further transformation of The Large Sky Area Multi-Object Fiber Spectroscopic Telescope, the new generation of fiber positioner robot chooses a 4 mm…”
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PSO‐SMADRC for altitude test facility intake pressure environmental simulation system by Chuanjian, Li, Chao, Zhai, Hehong, Zhang, Shiqi, Zheng

“…To address significant disturbances, including sudden air flow variation, model uncertainty, and unavoidable measurement noises during aeroengine transient…”
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Wireless Power Transfer-Based Multi-Pair Two-Way Relaying With Massive Antennas by Wang, Xinhua, Liu, Ju, Zhai, Chao

“…In this paper, we study a multi-pair two-way relay network consisting of two groups of user equipments (TIEs), who want to exchange information through a…”
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A Simple Discrete-Time Tracking Differentiator and Its Application to Speed and Position Detection System for a Maglev Train by Zhang, Hehong, Xie, Yunde, Xiao, Gaoxi, Zhai, Chao, Long, Zhiqiang

“…In this brief, a novel tracking differentiator (TD) based on discrete time optimal control (DTOC) is presented. In particular, using the state back-stepping…”
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Relay-Based Spectrum Sharing With Secondary Users Powered by Wireless Energy Harvesting by Zhai, Chao, Liu, Ju, Zheng, Lina

“…Spectrum sharing and energy harvesting are promising techniques to improve the bandwidth and energy efficiencies to meet the ever-growing demand of wireless…”
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Decentralized sweep coverage algorithm for multi-agent systems with workload uncertainties by Zhai, Chao, Hong, Yiguang

“…This paper proposes a sweep coverage formulation for a multi-agent system to cover a region with uncertain workload density, and provides a decentralized…”
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A General Alignment Repulsion Algorithm for Flocking of Multi-Agent Systems by ZHANG, Hai-Tao, CHAO ZHAI, ZHIYONG CHEN

“…A novel individual-based alignment/repulsion algorithm is proposed in this note for a flock of multiple agents. With this algorithm, each individual repels its…”
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Influence of tree planting pattern coupled with wall thermal effect on pollution dispersion within urban street canyon by Ji, Rong, Cui, Peng-Yi, Huang, Yuan-Dong, Luo, Yang, Jiang, Cheng-Jun, Zhai, Chao-Yi

“…By coupling the effects of wall heating conditions, the planting trees in street canyon can enhance the ventilation capacity and reduce the pollution level and…”
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Intestinal microbiota composition in patients with amyotrophic lateral sclerosis: establishment of bacterial and archaeal communities analyses by Zhai, Chao-Di, Zheng, Jie-Jiao, An, Bing-Chen, Huang, Hong-Fang, Tan, Zhou-Chun

“…Emerging evidences have indicated that the composition of gut microbiota was significantly influenced by central nervous system diseases. The digestion and…”
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Adaptive Spectrum Leasing with Secondary User Scheduling in Cognitive Radio Networks by Zhai, Chao, Zhang, Wei

“…In this paper, an adaptive spectrum-leasing scheme is proposed for multiuser cognitive radio networks. Based on two-path successive relaying and…”
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