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- Based on the correlation principle, an algorithm to decomposite the damped free vibration signals of a two degrees of freedom system with close natural frequencies is put forward. 摘要基于单一频率成分的自由衰减振动响应信号的相关性原理，提出了一种频率密集成分的两耦合振子自由衰减振动响应信号的解耦算法。
- A New Method of Estimating Characteristic Parameters for Continuous Response Spectrum of Damped Free Vibration 自由振动衰减信号连续谱参数估计新方法
- Discrete spectrum analysis for amplitude correction of damped free vibration response 基于离散频谱分析的自由衰减振动信号的幅值恢复
- damped free vibration 衰减的自由振动
- The characteristics of free vibration of a damped system, such as complex conjugate, decaying vibration, decoupling and orthogonality, are analyzed byusing the sta -te space method. 在结构动力分析中,系统的阻尼是一个重要而又难以确定的因素。
- Any system capable of a free vibration without external force is a counter example, e.g. a wire in the piano. 任何一个无外力而能自由振动的系统就是一个反例，譬如钢琴中的一条钢丝。
- Highly accurate results are tabulated for the free vibration buckling and bending. 文后用图表给出高精度的自由振动、屈曲和弯曲计算结果。
- The free vibration characteristics of bar-type fiber optic hydrophone unit were investigated in this paper. 光纤水听器探头是光纤水听器系统的基础。
- The element-free method(EFM) is used to study the free vibration of the high-rise tube structures. 用无网格法研究高层筒体结构的自由振动问题。
- The analysis for free vibration of ring-stiffened circular cylindrical shell with variable thickness was presented. 分析了环肋变厚度圆柱壳的自振特性。
- The finite element model of the free vibration for the rigid suspension catenary and pantograph is set up. 建立刚性悬挂接触网的自由振动有限元模型,计算其固有频率和振型。
- The relationship between the damage index and damage was studied by the analysis of the modal's undamped free vibration. 通过对模型的无阻尼自由振动分析研究损伤指标与损伤之间的关系；
- Reddy J.N:.:Free vibration of antisymmetric angle-ply laminatd plates including transverse shear deformation by the finite element method[J]. 林敦祥;倪荣根.;预测纤维增强复合材料层压板固有频率振型及模态阻尼的有限元算法[J]
- In this paper, a free vibration study of arbitrary quadrilateral thick plates by the spline least spuare method was presented. 本文用样条最小二乘法求解任意四边形厚板的自由振动问题。
- In this paper,a solution in the form of Fourer-Bessel double series with supplementary terms is proposed to analyse free vibration of a sector plate. 本文从富氏级数的理论出发，对弹性地基扇形板的弯曲问题，提出了一种应用范围比较广的、便于计算的解析形式的解法。
- The inherent frequency of the microbeam resonator is determined by analyzing the free vibration of the microbeam (including the base structure). 通过对微梁 (包括基座 )的自由振动分析确定了微梁共振器的固有频率。
- The relationship between the damage index and damage was studied by the analysis of the modal’s undamped free vibration. 通过对模型的无阻尼自由振动分析研究损伤指标与损伤之间的关系;
- Free vibration analysis of simply supported FG cylindrical shells for four sets of in-plane boundary conditions is performed. 摘要：对四组带平面内边界条件的简支梯度柱形壳进行自由振动分析。
- The party was a bit of a damp squib. 这次聚会有些扫兴。
- The symmetric and unti -symmetric free vibration problems of thick plate with the fixed and simple support edge conditions are solved. 求解了厚圆板在周边固支和简支条件下的对称与反对称的自由振动问题。
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