许多有机分子作为固有振动频率相同的飞行情报区。
Many organic molecules have the same intrinsic vibration frequency as FIR.
研究基础位移作用下悬挂弹簧的非线性固有振动问题。
Problems regarding nonlinear natural vibration of pendulum spring under foundation displacement excitation are studied.
介绍了一种悬臂梁结构固有振动频率的计算机测试系统。
A computer testing system developed to analyze the inherent vibration frequency of cantilever structure is described.
提出一种利用柔性结构的固有振动模态特性的振翼原理。
Making use of modal characteristics of the natural vibration of flexible structure to design the oscillating wing aircraft is proposed.
据说他还对紧绷的弦，管子，贝壳和满载的船的固有振动频率进行了测试。
He is also reported to have experimented with the relationship between consonance and the natural frequencies of vibration of stretched strings, pipes, shells, and filled vessels.
给出了带集中质量和弹性支承阶梯轴的横向固有振动分析方法。
This paper presents an analytic method for lateral natural vibration of step beams with lumped masses and elastic supports.
本文给出带集中质量和弹性支承梁横向固有振动的精确分析方法。
This paper gives an accurate analytic method of lateral natural vibration of beams with lumped masses and elastic supports.
本文用有限元法分析了柯氏力对桨叶旋转面固有振动频率的影响。
The influence of coriolis force on the natural frequencies of the rotor blades is analysed by the finite element method.
方程表明载流梁在磁场中的横向固有振动是一个典型的非线性问题。
The equation indicated that the beam's natural lateral vibration was a typical issue.
本文采用改进的自由界面模态综合法计算汽轮机叶片组的固有振动。
In this paper, the improved free-interface coupling method is adopted for dyna - mic analysis of blade groups.
对某火炮身管固有振动特性进行了分析，计算得到了振动频率和振型。
Natural vibration characteristic of gun tube was analyzed triumphantly. Vibration frequency and mode shape were obtained.
当壳体的经线有折角时，我们采用模态综合法分析它的固有振动特性。
If there exists a discontinuity in the meridian for a rotational shell, we use the modal synthesis method to analyse the free vibration of this kind of shell.
针对实际桥梁结构复杂的边界条件，分析其对结构固有振动特性的影响因素。
The influential factors of complex boundary condition on free-vibration characteristics of real bridge structures are analysed.
动态特性分析包括固有振动特性分析，谐响应特性分析和瞬态响应特性分析。
The dynamic analysis include natural vibration analyse, harmonic response analyse and transient response analyse.
对外缘带锥壳的轮盘固有振动问题提出了一种试验与理论计算相结合的方法。
The paper presents a method combined test with theory for free vibration of wheel with outer taper shell.
运用有限元理论，分析了既有线路在不同支承条件下的固有频率和固有振动特性。
By means of the finite element theory, the inherent frequencies and vibration characteristics for existing rail line under different supporting conditions are analyzed.
另外，在计算传动轴承的固有振动过程中，介绍了一种具有独特见解的分析方法。
In addition, a method of calculating inherent frequency of shaft line with unique view is also introduced in this paper.
本文讨论任意粘性阻尼线性系统的固有振动，说明它在求系统响应和识别中的作用。
The natural vibration of linear systems with any viscous damping was discussed in this paper, its applications to the response and identification of the systems were explicated.
研究了在弹性支撑和弹性嵌固边界条件下，弹性矩形薄板固有振动特性的变化规律。
The changing pattern of the natural vibration characteristics of thin rectangular elastic plate is studied under the boundary conditions of elastic support and elastic embedding.
运用近频摄动理论分析了双轴钻床钻轴刚度失谐后对钻轴系统固有振动频率的影响。
The effect of the detuning of the stiffness of drilling spindle on the frequency of double spindle drilling machine is discussed by using Perturbation theory of nearly equal frequencies.
计算表明：防振杆与环箍的结构和尺寸对蒸汽发生器管束的固有振动频率有显著影响。
It is certified that the structure and size of the anti-vibration bar and loop hoop have notable effect on the natural vibration.
利用有限元法分析了某核电站排气钢塔的固有振动特性，即一阶、二阶振动频率及振型。
The finite element method is used to analyse the natural vibration of a exhaust chimney with steel structure in a nuclear power plant, such as the first, the second frequency and their model.
建立固有振动频率和颤振阻尼对结构参数的敏度公式，设计两种不同优化问题的数学模型。
The sensitivity formulas about natural frequency and flutter damp to structure parameters were discussed, and the math models about optimization design were established.
采用摄动法求得了其近似解，得到了载流梁在磁场中的横向固有振动频率及位移解析表达式。
The perturbation method was employed to get the control equation's approximate solution. The analytical expressions of beam's natural lateral vibration frequency and displacement were derived.
因为SRS显微镜通过侦测原子之间化学键的固有振动来完成工作，因此无须侵入性荧光标记。
Because SRS microscopy works by detecting the intrinsic vibrations in chemical bonds between atoms, it doesn't require intrusive fluorescent labeling.
针对齿轮耦合的简单平行转子系统，研究了固有振动的特点，分析了影响固有频率的主要因素。
Properties of free vibration were analyzed for simplified geared rotor, and the main factors of influence on eigen frequency were also analyzed.
该调幅振动的载波为滚动轴承的某一高频固有振动，而调制波为与缺陷或损伤有关的通过振动。
Its carrier wave is a kind of the bearing's inherent vibration with high frequency, and its modulating wave is a pass vibration corresponding to the local defect.
采用系统的方法研究了活塞-连杆-曲轴三者在相互接触条件时，在不同转角下的固有振动特性。
Have studied the natural vibration characteristic of the piston - connecting rod - crankshaft while keeping in touch with the condition each other adopting systematic methods.
由系统振动位移响应公式得出，当摩擦力变化频率与系统固有振动频率非常接近时就会出现共振。
When friction changing frequency is very close to natural frequency, there will be resonance from the vibration displacement response formula.
由系统振动位移响应公式得出，当摩擦力变化频率与系统固有振动频率非常接近时就会出现共振。
When friction changing frequency is very close to natural frequency, there will be resonance from the vibration displacement response formula.
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