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肾上腺轴激素脉冲分泌中的混沌特征研究

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研究了肾上腺轴激素脉冲分泌的混沌行为.首先,利用Matlab软件求解此系统的非均匀振荡解,倍周期振荡解,并绘制相图及分岔图.根据非均匀振荡解计算肾上腺轴激素分泌的特征量,所得结论与激素特征量的实验测得值相符合.说明激素的脉冲分泌具有非均匀振荡和混沌两种可能.其次,通过求解激素脉冲分泌的数值解,利用Matlab软件绘制系统的混沌吸引子图、分岔图和Lyapunov指数图,证明激素分泌过程是混沌现象.
Study on chaotic characteristics of adrenal axis hormone pulse secretion
This paper mainly studies the chaotic behavior of adrenal axis hormone pulse secretion.Firstly,Matlab software is used to solve the non-uniform oscillation solution and period-doubling oscillation solution of this system,and the phase diagram and bifurcation diagram are drawn.According to the non-uniform oscillation solution,the characteristic quantity of adrenal axis hormone secretion is calculated,and the conclusion is in agreement with the experimental value of hormone characteristic quantity.It is suggested that the pulse secretion of hormone has two possibilities:non-uniform oscillation and chaos.Secondly,by solving the numerical solution of hormone pulse secretion,Matlab software is used to draw the chaotic attractor diagram,bifurcation diagram and Lyapunov index diagram of the system,which proves that the hormone secretion process is chaotic.

adrenal axishormonepulse secretionchaosbifurcation

纳治国、吐尔逊·艾迪力比克、巴合提古丽·阿斯里别克

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伊犁师范大学电子与信息工程学院,新疆伊宁 835000

新疆师范大学物理与电子工程学院,新疆发光矿物与光功能材料研究重点实验室,新疆乌鲁木齐 830054

肾上腺轴 激素 脉冲分泌 混沌 分岔

2024

东北师大学报(自然科学版)
东北师范大学

东北师大学报(自然科学版)

CSTPCD北大核心
影响因子:0.612
ISSN:1000-1832
年,卷(期):2024.56(4)