1、

Analysis of a three-species predator-prey system with impulsive perturbations and non-monotonic functional response

具有脉冲扰动和非单调功能反应的三种群捕食系统的分析

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2、

Based on the detailed discussions on a simplified ideal resonant model with perturbations which corresponds to the elliptic restricted three& body problem, we put forward a discriminating method on stability of orbital resonant states by means of an energy relation in this paper.

本文通过对一种简化的椭圆型限制性三体问题对应的受摄理想共振模型的详细讨论,建立了一种用能量关系来判别轨道共振态稳定性的方法。

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3、

Since the circular restricted three-body problem model ignores the effect of perturbations, it can not accurately describe the dynamic characters of the three-body system.

圆型限制性三体问题模型忽略了摄动因素的影响,在很多情况下不能足够准确地描述三体系统的动力学性质。

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4、

In this paper, new improved perturbations bounds for the robust stability of linear time invariant systems are given.

本文讨论线性定常系统的稳定鲁棒性问题。文中给出了线性定常系统的稳定鲁棒性范围的新改善界限。

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5、

Then, based on Lyapunov stability theory and applied the vector comparison theorem, stability for delay time-varying interval coefficient discrete systems is studied and robust stability for delay time-varying discrete linear systems with nonlinear time-varying perturbations is also considered. Some sufficient conditions are obtained.

基于Lyapunov稳定性理论,应用向量比较原理,研究了滞后时变离散区间系统的稳定性,和具有非线性时变摄动的滞后时变离散系统的鲁棒稳定性,得出了一些充分条件。

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6、

In this paper, the design method of robust observer-controller for multivariable systems with nonlinear time-varying parameter perturbations is introduced, and the robust stable condition of the closed-loop systems with observer-controller are derived.

本文讨论了多变量系统参数摄动下鲁棒观测器-控制器的设计方法,并给出了带观测器-控制器闭环系统的鲁棒稳定条件。

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7、
8、

We computed the upward propagation and evolution of different kinds of perturbations in the solar atmosphere, using HSRA as the unperturbed model. The dynamical equation used is an one dimensional compressible flow equation under gravitational acceleration at the solar surface.

本文用多方过程方程式封闭一维带引力场的流体力学方程组,用不同的γ值计算了不同类型的扰动在HSRA太阳大气模型中向上传播和演化。

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9、

In these mathematical problems small perturbations in primary data result in large variations in solution.

在这些数学问题中,原始数据很小变动可以造成解的很大变化。

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10、

These voltage perturbations along with voltage sag can strongly degrade customer power quality.

这些电压扰动和电压降将严重影响用户端的电能质量。

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11、

Parameter of geostationary satellite orbit affected by perturbations

摄动力对静止卫星轨道根数的影响

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12、

Computations of the perturbations and the orbital corrections of the minor planet ( 43) Ariadne

小行星(43)ARIADNE的摄动计算和轨道改进

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13、

The filter design based on the quadratic stability does not need to consider material characteristics of parameter perturbations and exogenous disturbance, such that the design method is easily implemented.

二次稳定意义下的滤波器设计不需考虑系统参数摄动和干扰的具体性状,设计方法简单易行。

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14、

The perturbations of black holes have been studied for many years.

黑洞扰动已经研究了很多年。

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15、

The Generalized Degree for Multi-valued Compact Perturbations of m-accretive Operators

强增生算子多值紧挠动的广义拓扑度

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16、

When a beam of energetic electrons propagate into the plasma, it will produce a return stream to make the total current less than the Alfven critical current, if there are perturbations parallel to the beams velocity direction, it can feed the two-stream instability.

当一束带电粒子在等离子体中传播时,将会产生回流,使总电流小于阿尔芬极限电流,但若在沿束流运动方向有扰动时,则会在等离子体中激起静电双流不稳定性。

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17、

Simulation results show the proposed guidance law is robust to deviations from reentry initial states and it can compensate the range error resulting from the perturbations of aerodynamic parameters and atmospheric density. So the landing point precision is guaranteed.

仿真结果表明,所设计的制导律对再入初始偏差具有较强的鲁棒性,同时它也能较好地补偿由于气动参数和大气密度摄动造成的航程误差,从而保证落点精度。

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19、

the linear and nonlinear evolutions of initial perturbations in lorenz system are investigated. according to the nonlinear evolution of initial perturbations, the relative and absolute errors of the perturbation development are computed.

采用Lorenz方程组研究了非线性系统扰动发展的线性估计和非线性估计,基于扰动的非线性发展计算了系统扰动线性发展的相对误差和绝对误差。

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20、

An adaptive phase shifting interferometry, insensitive to the disturbance of constant term of phase perturbations induced by environmental vibration and air turbulence is discussed.

研究对环境振动和空气扰动所造成的两相干光束间常数项光程变化不敏感的自适应移相干涉系统。

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