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固有频率     
相关语句
  natural frequency
    CALCULATION AND ANALYSIS OF THE NATURAL FREQUENCY AND THE PRINCIPAL VIBRATIONAL PATTERN OF THE MAIN DRIVE ON A 4200 HEAVY PLATE MILL
    4200厚板轧机主传动系统固有频率与主振型的计算及分析
短句来源
    The Simple Calculation of the Natural Frequency of Small Vibration of the Single Degree of Freedom Systems
    单自由度系统微振动固有频率的简化计算
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    The Calculation of Blade Natural Frequency Dispersity
    叶片固有频率散度的计算
短句来源
    The Research on the Influence of the Mean Flow velocity on Gas Colunm Natural Frequency of Centrifugal Fan System
    平均流速对风机系统气柱固有频率影响的研究
短句来源
    EHERGY METHOD EMPLOYED TO SOLVE LOW-VALUE NATURAL FREQUENCY OF EACH INSTANTANEOUS STRUCTURE OF HIGH-SPEED PLANE LINK MECHANISM
    用能量法求解高速平面连杆机构各瞬时结构的低阶固有频率
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  inherent frequency
    The results explained that within the finite element model that adopts entity units,if the rigid link was being adopted at the hinge place that will make an increase of inherent frequency at the same position of mechanism due to the increment of partial rigidity and may possibly lose certain modalities.
    结果说明:在采用实体单元的有限元模型中,若铰接处采用刚性联接,由于局部刚度的增加,使得机构在相同位置的固有频率增大,并可能丢失某些模态;
短句来源
    Calculation and Analysis of Double Gear's Inherent Frequency
    双片齿轮固有频率计算分析
短句来源
    Inherent frequency and amplitude analysis of rotor axles on flat-hammer grinding mill
    锤片式粉碎机转子轴组固有频率及振幅的分析
短句来源
    Study on Measurement of Inherent Frequency of Components of Bearing Assembles
    轴承组件各零部件固有频率测试及方法研究
短句来源
    By means of ANSYS, the simplified model of the rotor's inherent frequency has been calculated with different environment of rigid and elastic support, and its vibration modals are also simulated.
    利用有限元分析软件ANSYS计算出所设计的磁力轴承转子简化模型在刚性支承和弹性支承下的固有频率,并对其各阶振型进行了仿真。
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  natural frequencies
    Calculation and Measurement of Natural Frequencies of Vertical Flexible Beam
    垂直柔性梁固有频率的计算与测试
短句来源
    THEORETICAL CALCULATIONS OF THE NATURAL FREQUENCIES AND DOMINANT MODES OF TORSIONAL VIBRATIONS
    扭转振动固有频率与主振型的理论计算
短句来源
    CALCULATING THE NATURAL FREQUENCIES OF OVERHEAD CONVEYER STRUCTURE BY RICCATI'S TRANSLATIVE-MATRIX METHOD
    用Riccati传递矩阵法计算悬挂输送机金属结构的固有频率
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    Modifying Structural Natural Frequencies Using the Second Order Sensitivity
    应用二阶灵敏度修改结构固有频率
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    Computation of Natural Frequencies of a Rotating Beam
    旋转梁的固有频率计算
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更多       
  intrinsic frequency
    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
短句来源
    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。
短句来源
    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
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
    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。
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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.
      
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  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.
      
  natural frequencies
The forward problem is to solve the natural frequencies through a cracked structural model and the inverse problem is to quantitatively determine the crack parameters using the experimental testing frequencies.
      
Contour plots of normalized crack location versus normalized crack size were plotted by using the first three natural frequencies as the inputs.
      
The estimations of natural frequencies and damping coefficients of the platform found as a result of data processing of microacceleration measurements made during its free oscillations are obtained.
      
Determining the natural frequencies of fluid oscillations in complex pipelines
      
Below we formulate the problem of the natural frequencies of small oscillations of a liquid for the general case of an equilibrium liquid surface in a weak potential mass force field.
      
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  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.
      
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