vibration theory

Study method of computer simulation for vibration theory with MATLAB

振动理论的计算机MATLAB仿真研究方法

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Thereafter based on molecular vibration theory, the relationship between the characteristic peak of infrared spectrum and the bond angle is obtained, and the relational expression among the bond angle, molecular volume and the refractive index is derived.

基于分子振动理论，得出了光纤玻璃红外光谱特征峰与Si-O-Si键角的本质关联，并推导了键角、分子体积和折射率间的关系表达式；

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The balloon is the rotational standing wave according to the string vibration theory.

从数学上证明了上端固定、下端作圆周运动的弦振动会形成驻波。

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Based on the nonlinear thermal vibration theory of particles in solid lattice structure, combined with the law of wood structure itself. this paper discusses the mechanism of wood thermal expansion, and explains some phenomena about it.

运用固体点阵结构中质点非线性热振动理论，结合木材本身的结构.探讨了木材热膨胀的机理，解释了木材热膨胀的一些现象。

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The simulation results showed that the μ controller exhibited good performance. So, it's feasible to apply Structured Singular Value theory in vibration control of flexible appendant structures.

数值仿真结果表明μ控制器具有良好的鲁棒性能，用于振动控制是必要且可行的。

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Based on the theory of laser speckle, a new method to measure the angular vibration of object by the laser speckle is suggested in this thesis.

本文在现有的散斑理论基础上，提出了一种利用激光散斑实时测量目标散射面角振动的新方法。

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Based on random vibration theory, the along wind structural response formulae are derived.

基于结构随机振动理论, 可导出顺风向风振时各类风响应.

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The dynamic response of a lunar lander to the impact of the surface of the Moon with damp is analyzed using the energy principle and vibration theory.

对月球着陆器撞击月面时产生的冲击振动等动力学响应进行了仿真研究。

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Use two freedom vibration theory, base on impact has instant motion characteristic, use puncher example, study the isolating vibration design of impact base.

应用两自由度振动理论，根据冲击具有瞬态运动的特点，以冲床为例，研究冲击基础的隔振设计。

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Under considering the concrete structure of helical spring to model the1-Dof system and compared with the modeling method of classical vibration theory.

在考虑扭杆弹簧的具体结构的情况下，对单自由度系统进行建模，与古典振动理论的建模方法进行比较。

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Using theory of strength of track structure and vehicle-track coupling vibration dynamic model, we analyze the effects the different thickness of ballast act on relevant track structure parts and deduce the rational thickness of ballast.

本文应用轨道结构强度计算理论及车辆－轨道耦合振动动力学仿真计算模型，分析了不同道床厚度对相关轨道结构部件的影响，得出了合理道床厚度的建议值。

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The theory of bispectra analysis is reviewed and vibration signal selected bispectra for absorber are plotted.

以双谱分析理论为基础,分析并计算了不同振动信号的选择双谱.

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Based on vehicle-bridge coupling vibration theory and the structure of through steel plate girder bridges, an optimum method to strengthen the bottom transverse beams of the existing trough steel plate girder bridges is developed for the improvement of the lateral vibration in the bridges.

根据车桥耦合振动理论，结合下承式钢板梁桥构造，提出采用最佳下平纵联尺寸的加固方法，提高钢板梁桥刚度，改善桥梁横向振动。

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Analytical method in frequency domain for a long-span roof structures are based on random vibration theory.

主要论述大型屋盖结构的风振响应机理,并从理论上概括了其分析方法.

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Based on the present theory of dynamic analysis of elevator system, the vibration of elevator is further analyzed in this paper.

本文在现有的电梯系统动力分析理论的基础上，进一步分析电梯系统的振动。

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By applying vehicle-bridge vibration theory, dynamical model and equation of railway curve negotiating vehicle as well as the model and equation of curve beam bridge are established.

运用车桥耦合振动理论，建立铁路车辆曲线通过模型动力方程、曲线梁桥模型及其动力方程。

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Application of theory of norm optimal control on the longitudinal vibration system of drill bit main shaft of pit digger for tree planting

范数最优控制理论在植树挖坑机钻头主轴纵向振动系统中的应用

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By vibration mechanics theory the calculating formula of natural frequency of hanging pipe water is established.

用振动力学推导出了管道悬空段固有频率的计算公式,管道悬空段的长度越大,其固有频率越低.

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Research on The Method for Evaluating The Carrying Capacity of Oil Derrick with Assistance of The Vibration Theory

应用振动理论测评石油井架承载能力的方法研究

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The free vibration theory of cable is the theory basis of cable tension test and calculation.

索的自由振动理论是索力测试和计算的理论基础。

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A hypothesis of artery stressed vibration on the effects of pulsed magnetic fields, based on the theory of electromagnetic fields is presented and its significance on prevention against atherosclerosis is discussed.

根据电磁场理论，提出了大、中动脉在脉冲电磁场作用下受力振荡的假说，并结合心血管病理，讨论了这一假说对防治动脉粥样硬化的意义；

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Drill string vibration was analyzed based on vibration theory and finite element method.

根据振动理论和有限元方法，研究了钻柱振动的模态。

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The general theory and method of vibration transmission on multiple stages isolation system is systemically summarized.

系统总结分析多层隔振系统振动传递的一般理论和方法.

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The intrinsic frequency of molecular-vibration of nonmetal binary hydrides is calculated with vibration theory.

提出了非金属二元氢化物分子振动固有频率的计算原理与方法.

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