Zobrazeno 1 - 10
of 1 731
pro vyhledávání: '"LIU Yunfei"'
Autor:
LIU Lingling, ZHANG Ying, LIU Yunfei, LI Junzheng, CHANG Jianbo, WEI Fengjie, YANG Xiaopeng, JI Xiaoming, LI Hongchen, YANG Jianxin
Publikováno v:
Guan'gai paishui xuebao, Vol 42, Iss 10, Pp 15-22 (2023)
【Objective】 To explore the effects of new composite hydrogel on the physiological characteristics of tobacco seedlings under drought stress, and to provide theoretical basis for alleviating the toxicity of drought stress to tobacco. 【Method】
Externí odkaz:
https://doaj.org/article/43b48d12575c4480a7004c208db8f039
Autor:
Wang Zhanfeng, Liu Yunfei
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
In this paper, Bayesian estimation and Coleman filtering are used to compose a multidimensional data fusion algorithm to study the cultivation of students’ personalized core literacy. A Trans E model is constructed based on the calculation of stude
Externí odkaz:
https://doaj.org/article/76588f84fdd049779ffab36bd607a611
Autor:
Wang Zhanfeng, Liu Yunfei
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
In this paper, we use the support vector regression algorithm to minimize the loss function between the real value of sports tourism samples and the predicted value of the model, deal with the complex nonlinear problems through the MLP neural network
Externí odkaz:
https://doaj.org/article/9845742a1f214fd981d29684fc7a255a
Publikováno v:
Zhejiang dianli, Vol 41, Iss 10, Pp 57-63 (2022)
With the rapid development of the power grid， the overhigh short-circuit current becomes increasingly prominent， restricting the safe and stable power grid operation. Because of the shortcomings of the existing short-circuit current limiting meth
Externí odkaz:
https://doaj.org/article/2412d45671b84e41b7a75c04e3b6fc54
Publikováno v:
Zhejiang dianli, Vol 41, Iss 8, Pp 73-79 (2022)
Breaking capacity of circuit breakers can no longer meet the continuous rising demand of fault current in present new power systems. The phrase-controlled fault interruption technology based on zero crossing point prediction is an important solution.
Externí odkaz:
https://doaj.org/article/f4ec67eb50da4f5fa39d68968cd543b0
Publikováno v:
Guan'gai paishui xuebao, Vol 41, Iss 2, Pp 75-82 (2022)
【Objective】 Potential evapotranspiration (ET) is an important parameter for irrigation management and can be calculated by different methods. In this paper we evaluate different methods for estimating ET in Xinjiang province of China. 【Method
Externí odkaz:
https://doaj.org/article/2341a68669fe4b61858664c70a99052e
Audio-driven talking head synthesis strives to generate lifelike video portraits from provided audio. The diffusion model, recognized for its superior quality and robust generalization, has been explored for this task. However, establishing a robust
Externí odkaz:
http://arxiv.org/abs/2409.10281
Publikováno v:
Agronomy, Vol 13, Iss 8, p 2113 (2023)
Global drylands, covering about 41% of Earth’s surface and inhabited by 38% of the world’s population, are facing the stark challenges of water scarcity, low water productivity, and food insecurity. This paper highlights the major constraints to
Externí odkaz:
https://doaj.org/article/7d5b46e178304d85bf11275da8e17574
Autor:
Liu, Yunfei
In this study, we addressed the refugee crisis through two main models. For predicting the ultimate number of refugees, we first established a Logistic Regression Model, but due to the limited data points, its prediction accuracy was suboptimal. Cons
Externí odkaz:
http://arxiv.org/abs/2407.20235
Autor:
Liu, Yunfei, Yang, Zhanghao
This paper proposes a gravity balanced arm exoskeleton design for basketball shooting training. The potential energy equation of the mechanism is derived. A simulation of the arm going through the basketball shooting motion is done on the mechanism.
Externí odkaz:
http://arxiv.org/abs/2407.09782