1) discrete Duffing equation
离散Duffing方程
2) Duffing equation
Duffing方程
1.
Study on frequency solution of nonlinear Duffing equation;
非线性Duffing方程自由振动频率解分析
2.
Research on self-synchronization and different structure synchronization based on the Henon system and the Duffing equation;
基于Henon系统和Duffing方程自同步与异结构同步的研究
3.
Exact solution of Duffing equation with hardening restoring force;
渐硬恢复力型Duffing方程的精确解法
3) duffing equation
duffing型方程
1.
Periodic solutions to a type of Duffing equation with complex deviating argument;
一类具复杂偏差变元的Duffing型方程的周期解
2.
This paper investigates the Duffing equation ■+f(x(t))+g(x(t-τ))=p(t).
本文考虑Duffing型方程■+f(x(t))+g(x(t-τ))=p(t),利用分析的技巧和非紧性测度的k-集压缩定理,得到了此方程至少存在一个T周期解的充分判据。
3.
In this paper,we use the coincidence degree theory to get new results on the existence and uniqueness of T-periodic solutions for a kind of Duffing equation with two deviating arguments of the formx″+g_1(t,x(t-τ_1(t)))+g_2(t,x(t-τ_2(t)))=p(t).
利用重合度理论研究了一类具有两个偏差变元的Duffing型方程x″+g1(t,x(t-1τ(t)))+g2(t,x(t-2τ(t)))=p(t)。
4) Duffing-Holmes equation
Duffing-Holmes方程
5) Duffing equations
Duffing方程
1.
In this paper, the existence of odd-harmonic solutions for second order Liénard equations and even and odd, odd-harmonic solutions for second order Duffing equations are studied by using degree theory and some known results are improved.
利用度理论研究了二阶Liénard方程奇调和解的存在性和二阶Duffing方程具有偶性和奇性的奇调和解的存在性,改进了一些已有的结果。
2.
In 1982, DING Tongren gave a basic theorem about existence of periodic solutions of Duffing equations with double resonance.
198 2年 ,关于带有双侧共振的Duffing方程周期解的存在性问题 ,丁同仁采用像平面分析法给出了一个基本定理· 该文使用Leray_Schauder延拖原理给出一个简化证
3.
The nonlinear oscillations of the Duffing equations are studied by means of the method of linearization and correction, and the approximate solutions are compared with the exact solutions.
本文应用线化和校正法,研究了Duffing方程的非线性振动,分别求出了Duffing方程非线性振动周期的精确解和近似解,利用Maple9。
6) Duffing Equation
Duffing 方程
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