查询词典 nonlinear oscillations

In the last 20 years, many mathematicians used Moser Twist Theorem to study more complicated dynamics for nonlinear oscillations, such as the existence of quasi-periodic solutions and invariant tori, the Lagrange stability, etc.

近20年来，国内和国际上的一些数学家开始利用Moser的扭转定理来研究非线性振动的更为复杂的行为，如拟周期解和不变环面的存在性，解的Lagrange稳定性。

Duffing equations and Liénard equations are two classical mathematical models in nonlinear oscillations, and have been studied ex...

Duffing方程和Liénard方程是非线性振动中的两类经典的方程，也是人们研究的最多、结果非常丰富的方程。

Duffing equations and Liénard equations are two classical mathematical models in nonlinear oscillations, and have been studied extensively.

Duffing方程和Liénard方程是非线性振动中的两类经典的方程，也是人们研究的最多、结果非常丰富的方程。

Power system is a typical nonlinear system where complicated chaotic oscillations exist and threaten the secure and stable operation of power systems.

电力系统是典型的非线性系统，存在着复杂的混沌振荡，它威胁着系统的安全稳定运行。

Now nonlineardynamical systems with parametric excitation are one of the most important systems intheory of nonlinear oscillations.

在非线性振动理论中目前最具有代表性的一类系统是含有参数激励的非线性动力系统，在这类系统中有着极其丰富和复杂的动力学行为，如分岔、分形和混沌振动等。

The nonlinear oscillations in a continuous fermentation model with variable yield are studied by means of the qualitative theory of a differential system.

研究了微生物的生长、产物形成与基质的消耗有关的连续发酵过程，尤其是当发酵液中产物积累到一定程度，就会抑制其继续积累而带来的振荡现象。

The work is a generalization of the one done by \,which is useful in a further study of the nonlinear oscillations in continuous fermentation.

C rooke等人在研究单一菌种在连续发酵液中的生长时发现，如果发酵产物的生成速率

The describing function technique is mainly employed to predict the existence of constant amplitude oscillations of closed nonlinear systems and has been successfully used in many applications.

利用描述函数法将非线性元件线性化，以预测其极限环的发生，已成功的使用在许多的应用上。

The approximate solutions have advantages of simplicity,practicality,and higher accuracy,which is of practical value in calculating nonlinear oscillations .

利用线化和校正法所求得的近似解与数值解比较，具有简单实用、精度高、相对误差低等优点，在求解非线性振动中具有一定的实用价值。

Our results show that nonlinear Rabi oscillations of superfluid Fermi gases could happen due to the coherent properties of double-well potential.

结果表明，由于体系的相干特性双阱势中的超流费米原子气体可相互隧穿并产生非线性Rabi振荡。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。