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固有频率     
相关语句
  natural frequency
    Analysis of Natural Frequency of a Vibro-bench
    大型振动台台体固有频率分析
短句来源
    THE CALCULATION OF UNDAMPED NATURAL FREQUENCY OF THE FLUID VIBRATION IN HYDRAULIC SYSTEM
    液压系统液体振动固有频率的计算
短句来源
    Study on the Hydraulic Natural Frequency Controllable Dynamic Vibration Absorber
    液压式固有频率可控动力消振器的研究
短句来源
    INFLUENCE OF BOUNDARY CONTRAINT CONDITION ON NATURAL FREQUENCY OF 956kW DRILLING PUMP
    956kW钻井泵边界约束条件对固有频率的影响
短句来源
    A study on a new kind of FR damper in regard to natural frequency
    新型FR型防振锤固有频率研究
短句来源
更多       
  inherent frequency
    Effect of Base Structural Deformation on Inherent Frequency of A Microbeam Resonator
    基座变形对微梁共振器固有频率的影响
短句来源
    An Experimental Simulation Method of the Inherent Frequency for A Super Big Structure
    超大型结构固有频率实验模拟方法
短句来源
    (4)The practical measures show that: Stress of pipelines accords with national demand and peak value of vibration decreases from 1mm to 0.2mm, whereas the inherent frequency of each phase increased generally.
    ④ 改造完成后的实际测量表明:管道应力符合国标要求,振动峰值从1mm下降到0.2mm,各阶固有频率普遍提高。
短句来源
    The servo valve is incorporated with a new high inherent frequency moving-electromagnet force motor.
    伺服阀上配有一种新型式、固有频率高的动铁式力马达。
短句来源
    Let the inherent frequency, frequency of excitation force, vibration response of mechanical parts be processed according to reality into random variables, by means of combining relevant optimization technique, reliability theory and fuzzy mathematics into an organic whole, and taking the traditional vibration designing method as a foundation, the fuzzy optimization designing method on machinery components based on reliability was put forward.
    把机械零件的固有频率、激振力频率和振动响应按照实际处理为随机变量 ,将有关优化技术、可靠性理论和模糊数学有机地结合起来 ,以传统的振动设计方法为基础 ,提出了对机械零件振动基于可靠性的模糊优化设计方法。
短句来源
更多       
  intrinsic frequency
    A Study of Intrinsic Frequency of Thick-Wall Cylinder
    厚壁圆筒固有频率的研究
短句来源
    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
短句来源
    This paper calculates the intrinsic frequency of the free vibration of the thick-wall cylinder by using the energy principles based on the threedimensional elasticity theory. A very close agreement between the theoretical predication and the practical result is attained.
    本文应用基于三维弹性理论的能量原理对厚壁圆筒自由振动的固有频率进行了计算,其理论预测与实测结果相符合。
短句来源
    Further studies are focused on the dependence of sound powerand intrinsic frequency of the system on the temperature difference;
    实验研究了不同温度梯度下热声谐振管的声功产率和系统固有频率的变化;
短句来源
    Through theoretical analysis against the main performance index intrinsic frequency of actuator on Electro hydraulic Servo Dynamic Testing Machine, this article has submitted how to improve the design method of the intrinsic frequency.
    通过对电液伺服动态试验机作动器主要性能指标———固有频率的理论分析 ,提出提高作动器固有频率的设计方法。
短句来源
更多       
  resonant frequency
    The influences of model randomness on the resonant frequency and the modal loss factor of structure are studied.
    研究了模量模型的随机性对结构固有频率和模态损耗因子的影响。
短句来源
    Based on Flgge's shell equations, a method for calculating the eigen-frequencie s and modal solution is derived for the travelling-wave resonance response of cy l indrical shells. A speed formula for the rotating cylindrical shells at resonant frequency is obtained.
    采用Fl¨ugge的壳体理论 ,计算出有阻尼圆柱壳的固有频率并且推导出波动振动响应的模态解 ,得到了波动共振转速的计算公式。
短句来源

 

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  natural frequency
This study investigated the dynamic modulus of elasticity (DMOE) of wood panels of Fraxinus mandshurica, Pinus koraiensis, and Juglans mandshurica using the natural frequency measurement system of fast Fourier transform (FFT).
      
The natural frequency reached 1.201-kHz using finite element analysis, and the practice measurement result was 1-kHz.
      
Using the differentials of a stiffness matrix to design parameters, a method for calculating the sensitivity of natural frequency is presented.
      
Through the mode analysis of the liquid-solid coupled system, the first-order natural frequency, diaphragm vibration shape and amplitude-frequency relationship are obtained.
      
The natural frequency of the system was less than that of the structure on rigid foundation if the SSI is not taken into account, while its damping ratio was larger than that of the structure.
      
更多          
  inherent frequency
Code combining is used to exploit the multiple signal copies resulting from the inherent frequency diversity of spread spectrum.
      
Even though the gain due to selection in frequency selective channels is reduced compared to that in flat fading channels due to the inherent frequency diversity, the performance improvement is significant when the system is interference limited.
      
Each device operates at some inherent frequency, with wide variation among devices.
      
The windowing helps by reducing the inherent frequency broadening of each interferer caused by the finite duration of the FFT.
      
  intrinsic frequency
On this assumption, deviations of the Zeitgeber-frequency from the intrinsic frequency of the dependent systems cause phase-angle differences between the two systems.
      
Also, with short and relatively weak intersegmental connections, the network remains robust against perturbations as well as intrinsic frequency differences along the chain.
      
The temporal variation of the tidal component of the wind changes the observed frequency, sometimes substantially, while leaving the intrinsic frequency unaltered.
      
The intrinsic frequency and vertical and horizontal wavelengths of gravity waves in the stratosphere are 2f-3f, where f is the Coriolis parameter, and 2-3?km and 300-500?km, respectively.
      
Numerical evidence is given here that the family of such orbits is a continuous function of the rotation frequency Ω which varies between Ω?=?0, for the planar figure eight orbit with intrinsic frequency ω, and Ω =?ω for the circular Lagrange orbit.
      
更多          
  resonant frequency
The simulated results show that FSS may operate in different bands and especially generate a large reduction in the resonant frequency for a fixed unit cell size through different loadings.
      
Because of coupling of the mechanical and magnetic effects, coupled magnetoacoustic oscillations of a wave nature develop in a certain (resonant) frequency region.
      
It is found that such a system possesses a rather interesting nontrivial property: under certain conditions it has a resonant frequency at which the rotation of the particles relative to the fluid is most intense.
      
The dependence of the resonant frequency on the tube length is investigated.
      
The technique involves measuring the resonant frequency and Q factor of a microwave cavity containing a poly-Si specimen, on which basis the relative permittivity εr and the dissipation factor tanδ are calculated.
      
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