所以，研究参数激励系统的稳定性及其稳定区域(范围)是很重要的。
So the research of the stability of parameter excited system and its range of stability is very important and necessary.
该方程组不仅包含二次及三次非线性项，而且体现了参数激励与外激励的联合作用。
The equations of motion of beam, which includes not only quadratic and cubic nonlinearities but also parametric and forced excitations are derived using Kane's equation.
参数激励双摆属两自由度时变系统，是研究多自由度系统以及弹性体梁参激振动的基础。
Parametrically excited double pendulum belongs to 2 degree freedom time-varying system, it is a basis to study nonlinear dynamics of multi-degree freedom system and elastic beam.
得到的结果表明，含有线性或三次参数激励的系统存在不可控区域，在该区域中异宿轨分岔总是导致混沌发生。
The results obtained here show that there exist uncontrollable regions in which chaos always takes place via heteroclinic bifurcation for the system with linear or cubic parametric excitation.
张力腿平台的垂荡引起张力周期性变化，对张力腿的涡激横向振动起参数激励的作用，使其动力响应更为复杂。
Periodical variations of tether's tension caused by heaving oscillation of TLP play the role of a parametric exciter to vortex-induced vibration, and make it more complicated.
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。
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.
对固定的参数激励频率和阻尼，当参数激励幅值较小时梁的运动是周期的，但大幅值激励会使运动通过倍周期分岔变为混沌。
For fixed damping and fixed excited frequency the motion of the beam under small amplitude of force is periodic, but becomes chaotic through period doubling bifurcation with increase of the force.
本文综述了含有参数激励的非线性动力系统的响应、分岔与混沌问题的研究现状和方法，讨论了所存在的问题及其发展趋势。
The problem of robust stabilization for a kind of nonlinear dynamical systems with the matched uncertainties is studied in this paper.
随着阻尼、地基系数的改变，系统响应曲线具有“类软刚度特征”。随着参数激励幅值的改变，系统响应曲线具有“类硬刚度特征”。
The characteristic due to hard or soft stiffness may be altered as the parameters of damping, foundation, and excitation on the system are varied.
本文工作证实，对于一类具有中心对称型的参数激励系统，其混沌态也具有中心对称性质，从而说明了浑沌并非一定是一种非对称性的动力学形态。
This work shows that for a kind of centrosymmetric systems with parametric excitation, their chaotic state has centrosymmetric property. Our result illustrates that chaos with symmetry may exist.
更进一步讲，从随机激励中提取出来的模态参数同样会有畸变，并且在很多情况下，在测量结果中实际上看起来好像是有两个峰。
To go one step further, the extracted modal parameters from the random excitation will also be distorted, and in many cases, there actually appears to be two peaks as seen in the measurement.
该方法利用三角波信号作为测试激励，采用码密度直方图分析方法快速计算ADC的各静态参数。
The static parameters of ADC were extracted from the histogram of ADCs out codes, which was stimulated with triangle-wave signal.
该方法利用三角波信号作为测试激励，采用码密度直方图分析方法快速计算ADC的各静态参数。
The static parameters of ADC were extracted from the histogram of ADC's out codes, which stimulated with triangle-wave signal.
提出了DRAM逻辑的激励波形生成等算法，减少了逻辑参数提取过程中引入的人为误差。
The DRAM logic parameter stimulate wave algorithm was proposed, which generated automatically the stimulate wave according to the circuit function and avoided personal error.
为了验证模型参数的准确性，对推进轴系进行了脉冲激励试验。
For verifying the accuracy of the model parameters an impulse excitation test was performed.
然后根据模态参数计算叶片对气动激励的位移响应，并通过对位移响应的有限差分计算应力响应。
Displacement response to aerodynamic excitation is calculated based on the modal parameters and stress response is obtained by finite differencing of the displacement.
针对传统模态辨识方法存在的缺陷，研究了工程结构在环境激励下的模态参数的辨识问题。
Focusing on the defects of the classical modal parameter estimation approach, this paper investigates a novel technique for modal parameter identification of structures under operation conditions.
研究了这种周期性偏转与材料性质和激励激光束参数之间的关系。
The relationship between this periodical deflection and material properties and exciting beam parameters is investigated.
环形波导内侧开有多个狭缝用来激励产生等离子体。 利用该源研究了气压对等离子体参数、击穿功率和熄灭功率的影响。
The source has been used to study the effect of pressure on argon plasma parameters and microwave power for plasma ignition and extinction.
得到了这种材料磁聚焦参数随器件长度和激励磁场(电流)变化的实验结果。
Experimental results of dependences of the concentration parameter on device length and excited field (current) were obtained, respectively.
由于基础动力阻抗矩阵是外荷载激励频率的函数，采用更多参数的一般集中参数模型与数值解答吻合精度更高。
The general lumped parameter model introduced in this paper offers more accurate results than the traditional method for dynamic stiffness matrix of foundation is frequency-dependent.
同时讨论了激励参数的确定方法，给出了一般的激励参数矩阵。
The method of determining incentive parameters is discussed and the general incentive parameter matrix is given out.
编程分析了筒式减振器缸体结构参数、外界激励以及空气流速对其油液温升的影响规律。
The influence rules of absorber structure parameters, exterior excitation and air speed on the increased oil temperature are also analyzed.
瞬态激励试验是获得机械系统动态参数的重要方法之一。
The transient exciting test is one of the important methods to get the dynamic parameters of mechanical systems.
研究了气体激光器的激励参数、相对激发度和增益系数之间的关系。
The relations among excitation parameter, relative excitation and gain coefficient are deeply investigated.
用电路方法模拟了控制光强度以及外部激励信号的特征参数对FLCOASLM响应速度的影响。
Then the effect of control light intensity and characteristic parameters of drive voltage on the response velocity of FLC-OASLM is simulated and analyzed.
LPC声码器在准确提取声道参数的情况下，激励模型的优劣直接影响着综合语音的质量。
When LPC vocoder exactly extracts vocal tract parameters, whether an excitation model is good of not will severoly affect the quality of the synthetic speech.
结果表明：导线的舞动主要取决于覆冰、风激励、线路结构和参数；
The results show that the formation of conductor galloping mostly depends on icing, wind as well as configuration and parameters of transmission lines. Den.
结果表明：导线的舞动主要取决于覆冰、风激励、线路结构和参数；
The results show that the formation of conductor galloping mostly depends on icing, wind as well as configuration and parameters of transmission lines. Den.
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