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intrinsic frequency
    A Study of Intrinsic Frequency of Thick-Wall Cylinder
    厚壁圆筒固有频率的研究
    Common Expression of Straight Givder Across Vibration inTrinsic Frequency
    直梁横向振动固有频率的一般表达式
    A Quantitative Relationship Between pK_a and Molecular Vibration Intrinsic Frequency of Nonmetal Binary Hydrides
    非金属二元氢化物分子振动固有频率与pK_a常数的定量关系
    Intrinsic frequency and deformation characteristics of cucumber under bending vibration
    黄瓜弯曲振动时的固有频率和变形特性
    Research on Turbopump Fault Detection Based on Rotor Intrinsic Frequency
    基于转子固有频率的涡轮泵故障检测方法
    Intrinsic frequencies are generally low and increase with increasing latitude, and the ratios between intrinsic frequency and the Coriolis parameter are -2.5-3.5. The ratios decrease with latitude slightly.
    固有频率一般较低,约为2.5-3.5f,随纬度增加而缓慢增加,其与惯性频率f的比值却随纬度增加缓慢减小。
    Optical properties identify the intrinsic frequency of the BC3using the Lorentz model. At 0GPa, they are 2.4eV, 3.6eV, 5.7eV and12.5eV;
    由光学常数的色散曲线,得到了BC3在0GPa时的固有频率值,它们大约为2.4eV,3.6eV, 5.7eV和12.5eV。
    2. Build finite element analysis model of the important parts in the Self-stabilization platform, and analyze the rigidity of main parts and intrinsic frequency of the whole system.
    2.建立了自稳定平台主要零部件的有限元模型,分析了模型中各主要零部件刚度和系统整体的固有频率,在模型分析的基础上,对稳定平台零部件进行了优化设计。
    Of the parameters obtained by the inversion of the spectral curve, c'_2 is the intrinsic frequency dependent coefficient c_2 of the polarizable body, β'_2 is approximately epual to the value of the real component Reβ_2 of the complex dilution factor at the inflection point on the spectrum curve, and the value of τ'_2 is steady but somewhat different from that of the intrinsic time constant of the polarizable body.
    反演求得之c~'_2即为极化体的固有频率相关系数c_2:β~'_2约等于稀释系数实分量频谱的拐点值R_cβ_2;
    Study results show that:the driving system could be simplified to a 1 freedom,damped,2 degree oscillating system,and its intrinsic frequency f n =84±1.3 Hz,damp ratio ξ =0.5±0.023;
    结果表明:驱动系统可以简化为一个单自由度有阻尼的二阶振动系统,其固有频率和阻尼比分别为:fn=84±1.3Hz,ξ=0.05±0.023;
    The testing modal analysis done on the crankshaft with the random signal and vibration analysis CRAS V4. 1 shows that the relative error between its intrinsic frequency and the computed result is under 5. 7%, which proves the correctness of the computed result and provides reliable data for the dynamic character analysis of constructions.
    利用随机信号与振动分析系统 CRAS 4.1 版对该曲轴进行了试验模态分析,其固有频率与计算结果的相对误差在5.7%之内,验证了计算结果的正确性,为结构的动态特性分析提供了可靠的数据。
    Vibration isolation foundation of fan is not affected by its below support structure and can choose reasonably system intrinsic frequency, its fundamental frequency can be lowered to below 3Hz(including 3 Hz) ,it can absorb effectively vibration energy and has good dynamic and seismic resistance performance, so it is an ideal low frequency modulation foundation.
    风机隔振基础是理想的低调频基础,它不受下部支承结构的影响,可合理选择系统固有频率,其基频可以降到3Hz及以下,能有效地吸收振动能量,且有良好的动力和抗震性能。
    The conclusions indicate initiative looseness frequency of the rotor is at 60% intrinsic frequency, and the periodic movements are all multitudinous periodic movements, and the movement characteristics of the rotor system are unstable, etc.
    结论表明,转子系统在滚动轴承、支承松动和质量慢变的同时作用下具有复杂的动力学行为,转子系统的起始松动频率为0.6倍的固有频率,转子的周期运动均为多周期运动,转子圆盘和松动质量的运动特性均不稳定等。
    CORRECTION OF PHYSICAL PARAMETERS BASED ON OBSERVED INTRINSIC FREQUENCY OF A SYSTEM
    用实验所得系统固有频率修正系统的物理参数
    DETERMINING INTRINSIC FREQUENCY OF A BEAKER WITH LISSAJOUS’ FIGURE
    用利萨如图形测定烧杯的固有频率——介绍《物理现象探索》选修课的一个选题
    IMPROVENESS OF INTRINSIC FREQUENCY AND ANALYSIS OF PERFORMANCE CURVES FOR ACTUATOR ON ELECTRO HYDRAULIC DYNAMIC TESTING MACHINE
    电液伺服动态试验机作动器固有频率的提高和性能曲线分析
    Influence of corrugation on intrinsic frequency and critical load of arched-metal roof
    波纹对拱型屋面临界载荷和固有频率影响
    (2) The detuning of the intrinsic frequency of tubes, the number of tubes in the calculation, axial-flow and the curvature of U-tubes, which influence on the critical velocity of tube arrays, are studied carefully.
    (2). 考虑了固有频率改变、计算时管数取值、纵向流存在以及U形管弯曲部分对流体弹性不稳定性的影响;
    The effects of the membrane thickness, shape and piezoelectric voltage on the volume change of membrane were analyzed. The relation between intrinsic frequency and membrane thickness was also discussed.
    微泵膜片的动态特性与微泵的工作效率密切相关,本文得出了膜片振动的固有频率与膜片厚度之间的关系,并进行了模态分析、瞬态动力学分析、谐响应分析。
    The characteristics of the intrinsic frequency distribution of the framed steam turbine-generator set foundation are summarized;
    论文最后总结了框架式汽轮发电机组基础固有频率的分布特点;
 

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