国家自然科学基金(11302170)

作品数:6被引量:6H指数:2
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相关作者:徐伟张莹王亮岳晓乐更多>>
相关机构:西北工业大学更多>>
相关期刊:《Chinese Physics B》《Applied Mathematics and Mechanics(English Edition)》《物理学报》更多>>
相关主题:EXTINCTIONIMMUNEDELAYTUMOREXIT更多>>
相关领域:理学电子电信更多>>
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Effects of two types of noise and switching on the asymptotic dynamics of an epidemic model
《Chinese Physics B》2015年第5期163-170,共8页徐伟 王喜英 刘新芝 
supported by the National Natural Science Foundation of China(Grant Nos.11172233,11472212,11272258,and 11302170);the Natural Science and Engineering Research Council of Canada(NSERC)
This paper mainly investigates dynamics behavior of HIV (human immunodeficiency virus) infectious disease model with switching parameters, and combined bounded noise and Gaussian white noise. This model is different...
关键词:stochastic switched HIV model Razumikhin-type approach EXTINCTION PERMANENCE 
Principal resonance response of a stochastic elastic impact oscillator under nonlinear delayed state feedback
《Chinese Physics B》2015年第4期90-99,共10页黄冬梅 徐伟 谢文贤 韩群 
Project supported by the National Natural Science Foundation of China(Grant Nos.11172233,11302170,and 11302172)
In this paper, the principal resonance response of a stochastically driven elastic impact (El) system with time-delayed cubic velocity feedback is investigated. Firstly, based on the method of multiple scales, the s...
关键词:elastic impact system time delay frequency island jump avoidance 
Stochastic response analysis of noisy system with non-negative real-power restoring force by generalized cell mapping method
《Applied Mathematics and Mechanics(English Edition)》2015年第3期329-336,共8页Qun HAN Wei XU Xiaole YUE 
Project supported by the National Natural Science Foundation of China(Nos.11172233,11302169,11302170,and 11472212);the Fundamental Research Funds for the Central Universities(No.3102014JCQ01079)
The stochastic response of a noisy system with non-negative restoring force is investigated. The generalized cell mapping (GCM) method compute the transient and stationary probability density functions (PDFs) real...
关键词:stochastic response probability density function (PDF) generalized cell mapping (GCM) method real-power restoring force bifurcation 
Response of a Duffing-Rayleigh system with a fractional derivative under Gaussian white noise excitation被引量:1
《Chinese Physics B》2015年第2期30-34,共5页张冉冉 徐伟 杨贵东 韩群 
supported by the National Natural Science Foundation of China(Grant Nos.11172233,11302170,and 11302171);the Natural Science Foundation of Shaanxi Province,China(Grant Nos.2014JQ 1001)
In this paper,we consider the response analysis of a Duffing-Rayleigh system with fractional derivative under Gaussian white noise excitation.A stochastic averaging procedure for this system is developed by using the ...
关键词:RESPONSE Duffing-Rayleigh fractional derivative stochastic averaging method 
Effects of Lvy noise and immune delay on the extinction behavior in a tumor growth model被引量:3
《Chinese Physics B》2014年第9期126-132,共7页郝孟丽 徐伟 谷旭东 戚鲁媛 
supported by the National Natural Science Foundation of China(Grant Nos.11172233,11272258,and 11302170)
The combined effects of Ltvy noise and immune delay on the extinction behavior in a tumor growth model are explored, The extinction probability of tumor with certain density is measured by exit probability. The expres...
关键词:exit probability Levy noise immune delay tumor growth model 
加性和乘性泊松白噪声联合激励下光滑非连续振子的随机响应被引量:2
《物理学报》2014年第6期78-83,共6页岳晓乐 徐伟 张莹 王亮 
国家自然科学基金(批准号:11302170;11172233;11302171;11102155);陕西省自然科学基金(批准号:2012JQ1004);西北工业大学基础研究基金资助的课题~~
利用广义胞映射方法,研究了加性和乘性泊松白噪声联合作用下SD振子(smooth and discontinuous oscillator)的随机响应问题.基于图分析算法,获得确定SD振子的吸引子、吸引域、域边界、鞍和不变流形等全局特性.基于矩阵分析算法,计算了SD...
关键词:光滑非连续振子 广义胞映射方法 随机响应 泊松白噪声 
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