Nonlinear shear Alfven waves in an inhomogeneous magnetic field have been investigated.
本文研究非均匀磁场中非线性剪切阿尔芬波。
In the sixth chapter, the nonlinear phenomena in liquid surface waves are introduced.
第六章讨论了液体表面波向非线性研究的拓展。
The random nonlinear differential equation of ship's motion is established considering the nonlinear damping, nonlinear recover moment and random waves.
考虑非线性阻尼、非线性复原力矩和随机波浪，建立了随机横浪中船舶运动的随机非线性微分方程。
Hyperfine spectrum; Nonlinear optics; Degenerate four waves mixing; The equivalent grating; Isotope detecting.
超精细光谱；非线性光学；简并四波混频技术；等效光栅；同位素检测。
Nonlinear sound wave propagation is solved rigorously for progressive and standing waves and applied to composite tubes including thermoacoustic stacks with temperature gradient.
本文中给了非线性行波和驻波的严格解，并用于包括热声堆和温度梯度的复合管中。
Firstly, mathematical expressions of nonlinear damping and nonlinear righting moment were discussed, and the equations for nonlinear rolling motions in waves were established.
首先，本文讨论船舶非线性横摇运动中非线性阻尼力矩和非线性复原力矩的数学表达形式，并建立船舶在波浪中的非线性横摇运动方程。
The fluid model was used to study the nonlinear dust drift waves in dusty plasma.
采用流体模型，研究尘埃等离子体中的非线性尘埃—漂移波。
In this paper, the effect of waves on nonlinear rolling damping is researched experimentally through attenuation test of a model ship rolling in irregular waves in a wave tank.
本文通过在波浪水池中进行不规则波的船模横摇衰减试验，研究了波浪对非线性横摇阻尼的影响。
The nonlinear dynamics characteristic of articulated tower platform (ATP) subjected to waves and current loads is studied.
研究了铰接塔平台在波浪和海流作用下的非线性动力特性。
Our results about the stability and long time asymptotic behavior of nonlinear waves are in some sense different from theirs.
只是他们得到的非线性波的稳定性和长时间渐近性结果与本文不一样。
The qualitative theory of ordinary differential equations and numerical simulation method are employed to investigate the kink waves of a nonlinear quartic equation.
用微分方程定性理论结合数值模拟方法研究了一类非线性四阶波动方程的纽结波。
A nonlinear parametric excitation equation is obtained for ships in longitudinal waves, and the dynamic stability is analyzed when the natural frequency of heave and roll are approximately equal.
本文建立了在纵浪上航行船舶的非线性参数激励横摇运动方程，研究了当升沉固有频率接近横摇固有频率时船舶的稳定性。
The stability and the solutions of linear and nonlinear topographically generated Rossby Waves were discussed by using a barotropic semi-geostrophic model.
本文在半地转概念下，讨论了线性和非线性地形罗斯贝波的稳定性及其解。
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.
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。
A set of the interaction equations of inertial gravity waves in a dissipative atmosphere on the basis of the weak nonlinear theory is derived.
根据弱相互作用理论，本文建立了损耗大气中极性重力波的非线性相互作用方程。
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.
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。
Through the nonlinear coupling interactions between atomic waves, the structure appears as the matter wave gratings, and diffracts its surrounding atomic waves.
通过原子波之间非线性耦合相互作用，这种结构可以表现为物质波光栅，对其周期的原子波产生衍射现。
Bound infragravity waves are forced by wave-wave nonlinear interaction of two wind waves, depended only on the swell energy and water depth.
强迫次重力波的形成机制为海浪的波-波非线性相互作用，它仅依赖于海浪和水深的大小。
Through theoretical analysis, group waves are decomposited into linear and nonlinear terms, in which the effect of each term is discussed under various water depth.
通过理论推导，将群波分解为线性项和非线性项，讨论群波非线性项在不同水深条件下的影响情况。
Optimal control engineering of nonlinear waves often assumes that obtaining a model of the nonlinear wave systems is available and one wants to optimize its behavior.
最优化非线性波的控制工程常常假设可以得到一个非线性波模型，人们力求优化这些非线性波的性质。
The random jumping of ships with water on deck in random beam waves is studied based on the probability theory and nonlinear dynamic method.
基于概率理论和非线性动力学方法研究随机横浪中甲板上浪船舶的随机跳跃。
In this paper, the other question we discuss is nonlinear acoustic-optical effect from liquid surface waves at low-frequency.
本文另一部分内容研究了液体表面低频声波的非线性声光效应。
The power-dependent complex dispersion relations for TE and TM waves in a lossy nonlinear guiding system with a wide range of absorption coefficients are simulated and analyzed.
模拟和分析了很宽吸收系数范围内非线性有损耗波导系统TE和TM波与功率有关的色散关系。
The equivalence principle of solutions of nonlinear large gas dynamics waves and of solutions of water wave equations will be used.
非线性的大的气体动力学波和水波方程式的溶液的解决办法的相等原则将被使用。
The nonlinear equations of motion of planing boats of arbitrary sections in regular waves are established by ordinary strip method and solved by step-by-step method at first.
首先，根据普通切片法，对具有任意横剖面形状的快艇，建立规则波中的非线性运动方程并步进求解。
Second, the methods to predict the nonlinear motions of ships in head waves are discussed.
其次，研究船舶在迎浪海况下的非线性运动。
Saturation mechanism of gravity waves in mesosphere is discussed by simulating the nonlinear upward propagation of gravity wave in mesosphere.
通过对向上传播的重力波波包在中层大气中的非线性传播过程进行数值模拟，讨论中层大气中重力波的饱和机制。
The diffraction problem of nonlinear shallow water waves on a thin vertical wedge is studied in this paper.
本文讨论了非线性浅水波在薄楔上的绕射问题。
Firstly, mathematical expressions of nonlinear damping and nonlinear righting moment were discussed, and the equations for nonlinear rolling motions in still water and in waves were established.
首先，本文讨论船舶非线性横摇运动中非线性阻尼力矩和非线性复原力矩的数学表达形式，并建立船舶在静水中和波浪中的非线性横摇运动方程。
Firstly, mathematical expressions of nonlinear damping and nonlinear righting moment were discussed, and the equations for nonlinear rolling motions in still water and in waves were established.
首先，本文讨论船舶非线性横摇运动中非线性阻尼力矩和非线性复原力矩的数学表达形式，并建立船舶在静水中和波浪中的非线性横摇运动方程。
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