natural frequency

• Numerical analysis of the effect of damage caused by shock on natural frequency of floating raft
  冲击损伤对浮筏隔振系统固有频率影响的数值分析
• Equation ( 4 198 ) yields a first approximation for the change in the natural frequency of vibration
  方程（ 4 198 ）给出了一级近似下的固有振动频率的改变量。
• Theoretical study on natural frequencies of a cantilever mortar beam with embedded electrorheological fluid
  含电流变体砂浆复合梁结构振动固有频率的理论研究
• The natural frequencies of the vibration system are obtained by using the iterative perturbation method
  并对摆动活齿传动系统振动的固有频率进行了求解和分析。
• Testing of paper and board - determination of the bending stiffness - part 1 : length of natural frequency method
  纸和纸板的试验.测定抗弯刚度.第1部分:固有频率长度
• The first natural frequency calculated from these models coincides well with measured result
  由修正模型计算得到的转子系统固有频率与实测的转子系统固有频率吻合良好。
• In this essay , the answer to natural frequency of vibration and periodic time will given in the response spectrum method
  而本文是通过反应谱法，求解泵站的自振频率、周期。
• Numerical simulations show the effects of related parameters on the natural frequencies and the instability boundaries
  用数值仿真说明相关参数对固有频率和不稳定边界的影响。
• The results showed that the mount spacing can be varied to adjust the natural frequency of the rotational mode
  结果说明：改变隔振元件的间距能调整扭转振动的固有频率的大小。
• Finally , the size of the crack is identified by using the identified crack location and the first natural frequency
  最后，利用已识别的裂纹位置和第一阶固有频率定量地识别了裂纹尺寸。