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脉冲效应     
相关语句
  impulsive effect
     Analysis of a Holling Type Ⅲ Predator System with Impulsive Effect
     具有脉冲效应的Holling Ⅲ系统的分析
短句来源
     Analysis of a Holling Type Ⅲ Predator System with Impulsive Effect
     具有脉冲效应的Holling Ⅲ系统的动力行为
短句来源
     A class of competition model with impulsive effect of antibiotics is proposed and analyzed. By using Floquet theorem and comparison theorem of impulsive differential equation,conditions for local asymptotic stability of organisms-eradication periodic solution and permanence of the system are given.
     基于抗生素对宿主体内有无质粒微生物的影响,提出了一种具有脉冲效应的微生物竞争模型,并进行了分析,根据Floquet乘子理论和脉冲微分方程的比较定理,给出两种微生物灭绝周期解局部渐近稳定与系统持续生存条件.
短句来源
     Analysis of a Class of Prey-dependent Predator-prey System with Impulsive Effect
     一类具有脉冲效应的食饵依赖捕食系统分析
短句来源
     In this paper, predator-prey systems with periodic impulsive effect concerning pest control are proposed through biological control and chemical control.
     本文通过生物控制和化学控制提出了具有周期脉冲效应与害虫控制的捕食系统.
短句来源
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  pulse effect
     Study on the Pulse Effect and Mechanism of Microwave Low Noise Amplifier
     微波低噪声放大器脉冲效应与机理研究
短句来源
     Study on Velocity Pulse Effect and its Simulated Model for Near-Fault Ground Motions
     近场地震速度脉冲效应及模拟模型的研究
短句来源
     NON-INSTANTANEOUS PULSE EFFECT IN PULSE THERMAL DIFFUSIVITY MEASUREMENT
     脉冲法测量热扩散率中的非瞬时脉冲效应
短句来源
     The negative effect to the reliability of semiconductor devices and integrated circuits is called pulse effect in the paper, which induced by the rising or falling edges of pulse,Based on the theoretical analysis, the A-, B3, B5, B5B four series of microwave low noise amplifier are analysed, and the characteristic and potential weakness of the interior circuits under the pulse effect are located in this paper. Two kinds of LNA were chosen to have the pulse effect experiments respectively.
     在理论分析的基础上,本文对A-、B3、B5、B5B四种不同型号的微波低噪声放大器进行了电路特点分析,对几种电路的脉冲效应薄弱环节和易损部位进行了确定,对其中两种微波低噪声放大器进行脉冲输入实验,并对实验结果进行了比较。
短句来源
     The delay of the rise of upper level population is calculated. It is also calculated how the "ultrashort pulse effect" affects the experimental results of flourescence decay or transmission recovery. Finally, it is discussed how to verify the "ultrashort pulse effect" with expe.
     本文提出关于“超短脉冲效应”的一个基本假设,在此基础上列出对于二能级系统及三能级系统的方程组,计算了上能级布居上升变慢的程度,还计算了此效应对荧光衰减及透过率恢复实验结果的影响,最后讨论了如何在实验上验证“超短脉冲效应”是否存在。
短句来源
更多       
  impulse effect
     CONTINUOUS DEPENDENCE OF THE SOLUTION OF AN IMPULSIVE DEFFERENTIAL SYSTEM ON THE INITIAL CONDITION AND THE IMPULSE EFFECT
     脉冲微分系统解关于初值及脉冲效应的连续依赖性
短句来源
     In this paper the initial value problem of impulsive differential system is discussed and sufficient conditions for the continuous dependence of solution of the problem on the initial condition and the impulse effect are obtained.
     本文研究脉冲微分系统的初值问题,得到了该问题的解连续依赖于初值及脉冲效应的充分条件。
短句来源
  impulsive effects
     The influence of not only time delays on stability is considered, which the delay-dependent and delay-independent criteria are presented, but also impulsive effects are considered, which the systems are asymptotical stable for impulsive effects.
     在研究中不但考虑了时滞对系统稳定性的影响分析,分别建立了时滞无关和时滞相关的鲁棒稳定性准则,也考虑了脉冲效应对系统稳定性的影响,即一些原来不稳定的系统在脉冲扰动作用下变为渐近稳定的。
短句来源
     Global Exponential Stability of Hopfield Neural Networks With Variable Delays and Impulsive Effects
     具有变时滞和脉冲效应的Hopfield神经网络的全局指数稳定性
短句来源
     The impulsive effects are considered as both perturbation factors and control factors.
     本文在研究中既考虑了脉冲效应作为扰动因素对系统的影响,也考虑了脉冲效应作为能动的控制因素对系统的影响。
短句来源
     The Studies on Population Dynamical Systems and Epidemic Models with Impulsive Effects
     脉冲效应下种群动力系统和传染病模型的研究
短句来源
     A General Model of Complex Dynamical Networks with Impulsive Effects
     具有脉冲效应的复杂动力网络模型
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  impulsive effect
Exponential stability of switched systems with impulsive effect
      
The exponential stability of a class of switched systems containing stable and unstable subsystems with impulsive effect is analyzed by using the matrix measure concept and the average dwell-time approach.
      
Boundedness of Nonlinear Differential Systems with Impulsive Effect on Random Moments
      
  pulse effect
Temperature and Strain Changes in VT20 Titanium Alloy under Electric-Pulse Effect
      
The obtained results show that there is the long pulse effect as well as the well-known short pulse effect.
      
Current peculiarities related to various kinds of inhomogeneities, specific character of the film form, and a laser pulse effect have been observed.
      
It is shown that the predicted near-fault ground motion field exhibits similar characteristics to those observed in strong motion records, such as the hanging wall effect, vertical effect, fling step effect and velocity pulse effect, etc.
      
To analyze the processes involved in the fading of the pulse effect, migratory birds were subjected to a second, identical pulse 16?days after the first pulse, when the effect of that pulse had disappeared.
      
更多          
  impulse effect
In this paper, we obtain the boundedness, asymptotic behavior and oscillatory properties for the single logistic models with impulse effect.
      
The existence of solutions for nonlinear impulsive Hammerstein integral equations with infinite numbers of moments of impulse effect on the infinite intervalR+ in Banach spaces is studied.
      
The existence of solutions for systems of nonlinear impulsive Volterra integral equations on the infinite interval R+with an infinite number of moments of impulse effect in Banach spaces is studied.
      
Some existence theorems of extremal solutions are obtained, which extend the related results for this class of equations on a finite interval with a finite number of moments of impulse effect.
      
The existence of solutions for systems of nonlinear impulsive Volterra integral equations on the infinite interval R+ with an infinite number of moments of impulse effect in Banach spaces is studied.
      
更多          
  impulsive effects
A new model of dynamical systems is proposed which consists of singular systems with impulsive effects, i.e., switched and impulsive singular systems (SISS).
      
In this paper, for a semi-linear parabolic partial differential equations with impulsive effects, the existence-comparison theorem and comparison principles are established using the method of upper and lower solutions.
      
Existence of Positive Periodic Solution of Periodic Time-Dependent Predator-Prey System with Impulsive Effects
      
The general system of differential equations describing predator-prey dynamics with impulsive effects is modified by the assumption that the coefficients are periodic functions of time.
      
Global exponential stability of Hopfield neural networks with variable delays and impulsive effects
      
更多          
  其他


The enhanced-impulse effect of TEA CO_2 lasers is described. For CO_2-N_2-He mixtures at pressure from 400 torr to 2 atm, the output energy can be increased by 20~30% with the existence of enhanced-impulses.

本文报导了TEA CO_2激光器的增强脉冲效应,对于400托到2个大气压下的OO_2-N_2-He混合物,有增强脉冲时,激光能量输出可增加20~30%。

Formulas are derived for calculating the effect of pressure pulsation on structure of exhaust system in small-size two-stroke petrol engine, with results in approximate agreement with the actual structure, thus providing a better basis for further tests so as to reduce repeated experiments. Satisfactory results may be obtained in application.

导出了一组小型二冲程汽油机应用排气系压力脉冲效应结构的计算公式.用此公式可求得较接近实际值的结构,并给以后的试验提供了基础,可减少反复试验的工作量。付诸应用,亦能取得较好效果.

It is suggested that so-called "ultrashort pulse effect" might exist during the interaction of ultrashort laser pulse with matter, and delay the absorption of matter. A fundar mental hypothesis is assumed, with which partial differential equations are written fotwo-level system and three-level system. The delay of the rise of upper level population is calculated. It is also calculated how the "ultrashort pulse effect" affects the experimental results of flourescence decay or transmission recovery. Finally, it...

It is suggested that so-called "ultrashort pulse effect" might exist during the interaction of ultrashort laser pulse with matter, and delay the absorption of matter. A fundar mental hypothesis is assumed, with which partial differential equations are written fotwo-level system and three-level system. The delay of the rise of upper level population is calculated. It is also calculated how the "ultrashort pulse effect" affects the experimental results of flourescence decay or transmission recovery. Finally, it is discussed how to verify the "ultrashort pulse effect" with expe. riments

本文提出,在超短激光脉冲与物质相互作用时可能存在所谓的“超短脉冲效应”,使物质对光的吸收延缓。本文提出关于“超短脉冲效应”的一个基本假设,在此基础上列出对于二能级系统及三能级系统的方程组,计算了上能级布居上升变慢的程度,还计算了此效应对荧光衰减及透过率恢复实验结果的影响,最后讨论了如何在实验上验证“超短脉冲效应”是否存在。

 
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