1) multi-periodic
多重周期
1.
The paper introduces a multi-periodic signal control method based on repetitive control theory.
介绍了一种基于重复控制的多重周期信号控制方法,应用内模原理和数学换算,通过建立一个新的状态空间模型,将对原始多重周期信号控制问题转变为一个线形二次型的最优控制问题,从而通过线形二次型最优控制理论计算出需要的控制律。
2) multiple periodic solutions
多重周期解
1.
By means of this newly developed Zp index theory and the coupled differential system method developed by Kaplan J L and Yorke J A in 1974,some sufficient conditions on the existence of multiple periodic solutions for a class of delay differential equations are obtained.
对于某些非线性系统,该指标可以用来讨论其多重周期解和次调和解的存在性。
2.
Thesis mainly concerns the applications and generalizations of critical point theory to investigating periodic solutions,multiple periodic solutions and subharmonic solutions for nonlinear differential equations with deviating arguments.
本篇博士论文主要应用和推广临界点理论来研究含有偏差变元非线性微分方程的周期解、多重周期解与次调和解的存在性问题。
3.
By means of variational structure and Z2 group index theory,we obtain the existence of multiple periodic solutions to second-order functional differential equations(a(t)x′(t-τ))′-b(t)x(t)+λf(t,x(t),x(t-τ),x(t-2τ))=0.
利用变分原理和Z2不变群指标研究二阶泛函微分方程:(a(t)x′(t-τ))′-b(t)x(t)+fλ(t,x(t),x(t-)τ,x(t-2)τ)=0的多重周期解,得出相关结果。
4) multiply periodic function
多重周期函数
5) multiply periodic motion
多重周期运动
补充资料：庞加莱周期解
见周期解理论。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条