1) non-autonomous second order systems
非自治二阶系统
1.
This paper studies the existence of periodic solutions for some non-autonomous second order systems.
研究一类非自治二阶系统周期解的存在性问题。
2) second order nonautonomous system
二阶非自治系统
1.
In this paper,we considered the existence and uniqueness of almost periodic solution to a class of second order nonautonomous system,also gave that only if a 1>0,a 2k+1 ≥0, x¨ +R(∑nk=0a 2k+1 x 2k+1 )′ x· +1L∑nk=0a 2k+1 x 2k+1 =Ae(t),(e(t) is an almost periodic function in some conditions) exists almost periodic oscillations,the results in [1-3] are extended and improved.
该文讨论了一类二阶非自治系统x¨ +RF′(x) x· + 1LF(x) =Ae(t)在一定条件下概周期解的存在唯一性 ,并得到了仅当a1 >0 ,a2k+ 1 ≥ 0时 ,x¨ +R(∑nk =0a2k+ 1 x2k+ 1 )′x· + 1L ∑nk =0a2k+ 1 x2k+ 1 =Ae(t) (R >0 ,L>0 ,A>0 ,e(t)为一定条件下的概周期函数 )存在概周期振荡 ,推广和改进了文 [1- 3]中的结果。
3) the non-autonomous second order systems
非自制二阶系统
1.
Existence of periodic solutions is obtained by using the max-min methods on the non-autonomous second order systems under the conditions of liner-growth.
将极大极小方法应用于非自制二阶系统上,在其满足线性增长条件下,通过证明系统满足(p。
4) second-order system
二阶系统<自>
5) nonautonomous system
非自治系统
1.
In this paper,we have studied the existence of periodic solution for a class of nonautonomous system=φ(y)-F(x)+P(t) =-g(x)Sufficient condition to exist periodic solution for the system is obtained,and the results in are extended.
本文研究一类非自治系统x=φ(y)-F(x)+P(t)y=-g(x){的周期解的存在性,得出此系统存在周期解的充分条件,推广了文[4,5]的结论。
2.
This nonautonomous system has a quadratic fluid damping andparametric excitation, and the vortex excitation force is of very small amplitude.
该非自治系统具有流体平方阻尼力和中心激振。
6) Non autonomous system
非自治系统
1.
The non autonomous system =f(t,x)+g(t,x)+H(t),x∈R n is discussed by the theory of matrix measure, and by mesns of the estimating of the solution of a linear system.
对n 维非自治系统 x= f(t,x) + g(t,x) + H(t)其中x ∈ Rn,f(t,x),g(t,x ) 是定义在 I(0 ≤ t< + ∞) × Rn 上的n 维连续向量函数,且f(t + ω,x) =f(t,x),g(t + ω,x) = g(t,x), H(t) 是 n × 1 矩阵且 H(t + ω) = H(t),常数 ω> 0,f(t,x) 对x 具有一阶连续的偏导数,g(t,x) 关于 x 满足 Lipschitz 条件。
补充资料:二种非器──闻经二种非器
【二种非器──闻经二种非器】
﹝出华严经疏﹞
[一、二乘非器],谓佛说华严经时,一切二乘根器狭劣,不能听闻。故出现品云:一切二乘,不闻此经,何况受持,故虽在座,如聋如瞽;是名二乘非器。(二乘者,声闻乘、缘觉乘也。)
[二、众生非器],谓一切邪见众生,无信心故,非其根器,虽闻此经,闻即生谤,而堕恶道,是名众生非器。
﹝出华严经疏﹞
[一、二乘非器],谓佛说华严经时,一切二乘根器狭劣,不能听闻。故出现品云:一切二乘,不闻此经,何况受持,故虽在座,如聋如瞽;是名二乘非器。(二乘者,声闻乘、缘觉乘也。)
[二、众生非器],谓一切邪见众生,无信心故,非其根器,虽闻此经,闻即生谤,而堕恶道,是名众生非器。
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