将这些结果综合起来,就表明作者以前所建立的一类半整数自由度级的非线性共振的理论是可以用于移动电站的。
Combining these results, the theory of the nonlinear resonance of a class of half-integer degree of freedom, which was established before by the author, can be applied to the movable power systems.
然而最近的研究发现,在非线性系统中加入适当的噪声实际上可以提高信号的察觉,就是所谓的随机共振。
However, recent research has shown that addition of an appropriate amount of noise can actually improve signal detection in a nonlinear system, an effect called stochastic resonance.
给出了带有双侧共振的非线性微分方程周期解存在性的一个新的结果。
A new result about existence of periodic solutions of nonlinear differential equations with double resonance will be given.
然后用小参数法求出了非线性的非共振周期解和共振周期解。
The nonlinear resonant and non-resonant periodic solutions are obtained by the small parameter methods.
将光学非线性介质引入到多层膜结构中,讨论光学非线性对表面等离子体共振角谱的影响。
We introduce optical nonlinear medium to multi-layers structure and discuss the influence of optical non-linearity on surface plasmon resonance.
采用飞秒激光,运用简并四波混频法,研究了化合物在非共振状态下的三阶非线性光学性能。
By using femtosecond laser, the off-resonant third-order optical nonlinearity of the compound was measured with degenerate four-wave mixing technique.
研究具有非线性刚度转子系统的主共振特性。
Main resonance characteristics of a rotating system with nonlinear stiffness was studied.
研究了电压门控离子通道噪声和突触噪声共同作用下非线性积分点火模型的相干共振现象。
The phenomenon of coherence resonance of a nonlinear integral-and-fire model subject to a voltage-gated channel noise and a synaptic noise is investigated.
考虑表面张力的作用,研究了不可压缩、无粘性流体流过变化壁面时的共振流动,分析了不同的底部壁面变化对非线性表面波的影响。
The resonant flow of an incompressible, inviscid fluid with surface tension on varying bottoms was researched. The effects of different bottoms on the nonlinear surface waves were analyzed.
采用可变长度单摆的力学模型对秋千振荡给出初等分析,采用微扰近似法导出了秋千的非线性参数共振解析解,并进行了讨论。
A variable length simple pendulum model is introduced, elementary analysis and perturbation analytic solution of nonlinear differential equation for parametric resonance are presented.
给出了一类超低频标准振动台非线性运动方程的两种近似解析解——非共振解法和共振解法。
This paper presents two kinds of approximate analytical solution, non-resonance solution and resonance solution, of non-linear dynamic equation based on a type of ultra-low frequency vibrator.
电子共振增强有利于提高三阶非线性光学系数。
It was confirmed that the resonant of electron could enhance the third-order nonlinear optical coefficient greatly.
本文研究了用与受迫力谐波共振的周期摄动抑制含二次非线性项受迫振动系统中的混沌。
In this paper, suppression of chaos in a forced vibration system with a square term by resonant periodic perturbations is studied.
建立了振动压路机跳帧的动力学模型,研究了跳振时振动压路机的非线性动力学特性,选取次谐波共振为跳振的主要特征。
The dynamical model of jump vibration is built, the nonlinear dynamical characteristic of jump vibration is studied and find the sub-harmonics vibration is main characteristic.
采用共振柱试验方法,研究了固结比对砂土最大动剪切模量以及对动剪切模量比与剪应变非线性关系的影响。
The effects of the consolidation ratios on the maximum dynamic shear modulus and the dynamic shear modulus versus the shear strain of sands are presented by using the resonant column method.
本文采用改进的L -P法研究梁的强非线性振动,分析了超谐波共振和次谐波共振两种情况。
The modified Lindstedt-Poincaé method(MLP) is used t analyze strongly nonlinear vibration of beams. Attention is focused on the superhamonic and subharmonic resonances.
基于非线性理论的检测法中重点分析了随机共振。
The stochastic resonance is emphasized in the method based on the nonlinear theory.
因此,利用非线性随机动力学理论和方法对“细胞内钙离子振荡系统的噪声效应:相干共振”进行研究具有十分重要的生物学意义。
Thus, based on nonlinear theory and method, the study on the effect of the noise on coherence resonance in a calcium oscillations system is significant in biology.
再次,利用多尺度法分析船舶在波浪中接近主共振、亚谐共振和超谐共振时的非线性横摇运动,并给出三种共振的近似解。
Moreover, the multiscale method was used to study the main, ultraharmonic and subharmonic resonances of nonlinear rolling in waves, and the approximate solutions of the three resonances were given.
由于非线性弹簧悬架没有固有频率,因此避免了在外界激励下发生共振的危险。
Because the suspension with non linear springs has no eigenfrequency, it could avoid the resonance under certain road uneven random excitations.
对圆弧拱面内自由振动的频率和非线性内共振现象进行了研究。
The in-plane free vibration frequencies and nonlinear internal resonance of circular arches were studied.
玻璃中的金属纳米粒子由于其表面等离子共振,在特征峰附近会出现明显的光学非线性现象。
The optical nonlinear phenomena could be observed obviously around the absorption peak, due to the surface plasmon resonance.
还得到非线性混频效应的瞬态过程。共振增强存在于此非线性混频过程中。
The transient behavior of nonlinear wave-mixing effect, where the resonant enhancement exists, is also obtained.
研究了二自由度非线性系统在有界随机噪声激励下,系统响应的共振与随机饱和现象。
The principal resonance of a two-degree-of-freedom non-linear oscillator to bounded noise excitations is investigated, the phenomenon of random saturation is found.
在模态分析的基础上,采用几何非线性有限元的分析方法,对悬索式管桥进行了横向风共振分析。
On the basis of the modal analysis, the nonlinear finite element is used to analyze the dynamic response of suspension pipe bridge to cross wind excitation.
研究了非线性系统特征,构建实用于检测强噪声背景下弱信号的特征信息的自适应随机共振算法。
The study of characteristics of the nonlinear system. Realization of the adaptive SR algorithm of detecting the characteristic information of practical weak signals overwhelmed in strong noise.
导电模型的地面核磁共振感应电动势是含水量的非线性函数。
The induced voltage of surface nuclear magnetic resonance (NMR) based on conduction model is a nonlinear function of water content distribution.
双光子共振增强了碱金属原子的非线性极化率,可以观测到多种非线性光学过程产生的非线性光谱。
The nonlinear spectroscopy created by many kind of optical processes are observed while two-photon resonance enhanced the atomic nonlinear susceptibility.
研究表明,随着气流马赫数的增加,吸声结构的消声系数明显下降,微穿孔板的非线性声阻和声质量修正值都略有减少。更需注意,在高速流条件下吸声结构的共振峰将会发生偏移。
It is shown that the attenuation coefficient will decrease obviously with the increase of Mach number, and the nonlinear acoustic resistance and acoustic mass will reduce slightly.
研究表明,随着气流马赫数的增加,吸声结构的消声系数明显下降,微穿孔板的非线性声阻和声质量修正值都略有减少。更需注意,在高速流条件下吸声结构的共振峰将会发生偏移。
It is shown that the attenuation coefficient will decrease obviously with the increase of Mach number, and the nonlinear acoustic resistance and acoustic mass will reduce slightly.
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