Zobrazeno 1 - 10
of 94
pro vyhledávání: '"lyapunov index"'
Publikováno v:
Open Physics, Vol 22, Iss 1, Pp 231-6 (2024)
Due to the difficulty of studying nonlinear quantum systems and the unique composition of Bose–Einstein condensate (BEC) systems, BECs face significant difficulties in solving dynamic analysis and chaotic control problems. Therefore, Hartree–Fock
Externí odkaz:
https://doaj.org/article/3b4991d95d50490eb2c774aaf2fe1c25
Publikováno v:
Land, Vol 13, Iss 9, p 1537 (2024)
This paper comprehensively utilizes the entropy-TOPSIS method, Lyapunov index, and kernel density estimation to measure the spatiotemporal evolution characteristics of regional economic resilience in 52 African countries (regions) from 2008 to 2019.
Externí odkaz:
https://doaj.org/article/d98485426f6f494fba83625e0b502bce
Autor:
Ma Chunyu
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 8, Iss 2, Pp 1735-1744 (2023)
Musical symbols are a good way of expressing human emotions and communication. It is a kind of nonlinear dynamic system with hysteresis. It isn’t easy to analyze its nonlinear characteristics by conventional methods. This paper divides it into seve
Externí odkaz:
https://doaj.org/article/fbf27140fe054e1abd4985c737b5dc07
Akademický článek
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Publikováno v:
Guan'gai paishui xuebao, Vol 41, Iss 3, Pp 83-91 (2022)
【Objective】 The time series of rainfall is a nonlinear, non-stationary process and can be analyzed statistically. The purpose of this paper is to analyze the chaotic characteristics of rainfalls in attempts to develop a chaotic model to predict m
Externí odkaz:
https://doaj.org/article/52954f183b0c40649b3c2077e638b18e
Akademický článek
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Autor:
Xiaoye Zhao, Jucheng Zhang, Yinglan Gong, Lihua Xu, Haipeng Liu, Shujun Wei, Yuan Wu, Ganhua Cha, Haicheng Wei, Jiandong Mao, Ling Xia
Publikováno v:
Frontiers in Physiology, Vol 13 (2022)
Background: Myocardial ischemia is a common early symptom of cardiovascular disease (CVD). Reliable detection of myocardial ischemia using computer-aided analysis of electrocardiograms (ECG) provides an important reference for early diagnosis of CVD.
Externí odkaz:
https://doaj.org/article/4bf340cf42824b8eac440f178a7bd85c
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
In the transmission process of gear system, the change of load will make the system in different states of motion, which affects the transmission efficiency of gear system. It is important to investigate the nonlinear dynamic characteristics of gear
Externí odkaz:
https://doaj.org/article/1bcca426085d45e493dbe1fc6b0a6604
Publikováno v:
Jixie chuandong, Vol 44, Pp 44-54 (2020)
The translation and torsion coupled strong nonlinear dynamics model of two-stage planetary gear transmission system is established， and the nonlinear factors such as time-varying meshing stiffness， tooth side clearance and meshing error are intro
Externí odkaz:
https://doaj.org/article/c073b8d9de9b4b8bb5780d701886f69b
Autor:
TANG MingJun, SUN Shuai
Publikováno v:
Jixie qiangdu, Vol 41, Pp 407-412 (2019)
According to the four rotor aircraft in a relatively complex near earth space, easily disturbed, and the emergence of jitter and out of control of motion stability, this paper investigated the motion stability of four rotor aircraft based on Lyapunov
Externí odkaz:
https://doaj.org/article/866e817a7cc64ed193e133fe8fd494ae