时滞

In Chapter 2, by using M-matrix theory, some analysis techniques and constructing suitable Lyapunov functionals, we investigate the convergence of solutions and the existence and uniqueness of periodic solution for system:where ft and g, are the propagational signal functions defined onR.

在第二章中，讨论一类推广的具变时滞和变系数的双向联想记忆神经网络模型的渐近状态。这里，信号传输函数f_i，g_i(i=1，2，…，n，j=1，2，…，m)是R→R上的连续函数，且满足Lipschitz条件。

In this paper include: Successfully using iterative analysis method get some pulsive delay differential equations and sufficient condition of the existence,uniqueness and stablility of their solutions.

本文主要工作包括：利用迭代分析方法很成功地获得了某类脉冲和时滞微分方程解的存在性和唯一性，以及其解稳定的充分条件。

Besides, a specific salt-tolerant mechanism of Suaeda linifolia seedlings has been found. Soil water has a serious effect on Salsola implicata seedlings.

此外，亚麻叶碱蓬幼苗存在&时滞性&这种特殊现象，可能是其适应高盐地表的一种方式。

The pooled regression analysisshows that there is a long-term prominent positive effect with time lag from China'sinward FDI to China's commodity imports and exports.

混合回归结果表明，外商对华直接投资对中国商品进出口、出口、进口的增长均存在长期且显著的促进作用，而且这种促进作用存在时滞。

The results of XPS show the main composition of tin sludge is stannic oxide,so is the composition of smudge.

通过对表征镀层耐蚀性的合金电偶电流值及酸洗时滞的测试发现，随着锡泥投入量的增加，镀层的耐蚀性下降，且两者之间有很好的对应关系。

The oscillation of a class of second order strongly sublinear delay differential equations is discussed.

讨论了一类二阶强次线性时滞微分方程解的振动性质，建立了三个新的振动性定理。

Some sufficient conditions for existence and uniqueness of periodic solution to Duffing equation are obtained using trigonometrical series and contraction mapping.

利用三角级数理论及压缩映射原理，研究时滞Duffing型微分方程，给出此类方程存在唯一周期解的几个充分条件。

In fact,we have studied other time-delay systems,such as Ikeda model,Vallée model,and the Sine-squaremodel etc.

本论文观察到的这些动力学行为在时滞反馈系统中普遍存在。

Some theorems and corollaries are presented for delay-independent stability and exponential-stability of linear time-delay systems.

本文利用Lyapunov稳定性理论和Razumikhin稳定性理论，研究了时滞系统的鲁棒稳定性及其鲁棒控制问题。

For a class of linear uncertain interconnected delay systems, we considered the problem of decentralizing feedback stabilization and gave the sufficient condition for the existing of the stabilization controller based on LMI.

研究了具有时滞互联项的组合系统的分散反馈鲁棒镇定问题，并利用LMI给出了使系统镇定的控制器存在的充分条件，并用实例验证了所得结论。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。