| 1. | On neutral nonlinear delay differential equations with impulsive perturbations 具有脉冲扰动的中立型非线性时滞微分方程 |
| 2. | Analysis of predator - prey system with non - monotonic fuctional response and impulsive perturbations 具有非单调功能反应和脉冲扰动的捕食系统的分析 |
| 3. | The study of predator - prey system with non - monotonic functional response and impulsive perturbations 具有非单调功能反应和脉冲扰动的捕食系统的研究 |
| 4. | Stability of the solution of impulsive delay differential equations with variable impulsive perturbations 具有可变脉冲扰动的时滞脉冲微分方程解的稳定性 |
| 5. | Preservation of nonoscillation for second - order delay differential equations under impulsive perturbations 二阶时滞微分方程非振动性质在脉冲扰动下的不变性 |
| 6. | Instability of the solution of impulsive delay differential equations with variable impulsive perturbations 具有可变脉冲扰动的脉冲时滞微分方程零解的不稳定性 |
| 7. | The paper researches on the control of chaos or hyperchaos via the method of the tune - delayed feedback control ( dfc ) , the proportional periodic pulse perturbation to the system variables ( pp - sv ) and limiting amplitude 本文主要对时间延迟反馈法( dfc ) 、正比于系统变量的周期脉冲扰动法( pp - sv )及限幅法这三种控制混沌和超混沌系统的方法展开了研究工作。 |
| 8. | We discuss nonoscillation and asymptotic behaviors of solutions of delay integro - differential systems under impulsives perturbations , obtain sufficient conditions for nonoscillation and asymptotic behavior of solutions of the delay integro - differential system under impulsive perturbations 讨论了脉冲时滞积分- -微分系统解的非振动性和渐近性,得到了时滞积分- -微分系统在脉冲扰动下解的非振动性和渐近性的充分条件 |
| 9. | In the fourth chapter of the thesis , a study is made of the equation of interest rate - amount of circulating fund with infinite impulse disturbance in an open network . as far as linear and non - linear impulse disturbances are concerned , the conditions on which the system still remains stable under impulse disturbance and the conditions on which impulse disturbance leads to the changes of the stability of the system are discussed 本文第四章研究了开放网络中具有无限次脉冲扰动情形的利率?流通量方程,对于线性以及非线性脉冲扰动,本章都给出了脉冲扰动下系统仍然保持稳定的条件以及脉冲扰动引起系统稳定性改变的条件。 |
| 10. | Based on a duralumin flexible beam with piezoelectric films attached , distributed parameter modal described by partial difference equations is builded , and then turned into a set of two order systems with the method of modal analyse . state feedback control and independent modal control is investigated . and simulation of the closed - loop system with thest two methods is performed in matlab 并用模态分析的方法,将系统的偏微分方程模型转化成了模态模型;研究了状态反馈和独立模态方法;进一步完善了软件界面以及软件功能;在实际系统中,应用状态反馈算法,有效抑制了悬臂梁在受到外界瞬时脉冲扰动和激振引起的一阶、二阶模态振动。 |