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prony_analysis
- 复指数法是根据结构的自由振动响应或脉冲响应函数可以表示为复指数函数和的形式,然后用线性方法来确定未知参数。其主要思想是从振动微分方程的振型叠加法原理出发,建立动力响应与模态参数之间的关系表达式,通过对脉冲响应函数进行拟合可以得到完全的模态参数,获得了良好的拟合效果。基本方法是以Z变换因子中包含待识别的频率,构造Prony多项式,使其零点等于Z变换因子的值。这样,将求解Z变换因子转化为求解Prony多项式的系数。这里给出用矩阵解Prony多项式的系数的MATLAB程序。
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- 随机减量方法,从结构的随机振动响应中提取该结构的自由衰减振动信号-Random decrement method, the structure of the random vibration response of the structure to extract the free vibration signal attenuation
exam8_1
- 本程序:采用平面梁单元计算两铰抛物线拱的自由振动特性 输入参数: 无 输出结果: 前3阶振动频率及其相应的振型 -failed to translate
exam8_2
- 本程序为第八章的第二个算例,采用平面梁单元计算两铰抛物线拱的在初始条件下自由振动,并对时程曲线结果进行FFT变换.-failed to translate
free-vibration
- 求解发动机轴系自由振动的matlab源程序-free vibration
itd
- 随记减量法是从结构的随机振动响应信号中提取该结构自由衰减振动信号的一种方法-With the mind Reduction Act-Reduction Act is credited with random vibration response of the structure from the signal to extract the structure of a method-With free decay vibration signals the mind Reduction Act
itd12
- 随记减量法是从结构的随机振动响应信号中提取该结构自由衰减振动信号的一种方法-With the mind Reduction Act-Reduction Act is credited with random vibration response of the structure from the signal to extract the structure of a method-With free decay vibration signals the mind Reduction Act
2idt
- ITD进行模态识别,得到模态参数,ITD 法是一种单输入多输出、基于包含系统参数的自由振动方程识别结构参数的方法,-ITD modal identification, get the modal parameters.ITD method is a single-input multiple-output, based on the structure of the free vibration equation parameters include system identification
Beam
- ANSYS参数化语言写的计算悬臂梁自由振动振型图的程序!-APDL code for Beam Vibration
NewMark_damped_MDOF_free_vib
- NewMark数值方法求解MDOF自由振动(This is a code about Newmark method solving free vibration of MDOF system.)
34689588
- hilbert时频识别力学领域Michael feldman编写自由振动,强迫振动(The Hilbert time-frequency recognition field of mechanics, Michael feldman write free vibration, forced vibration)
Cbeam
- 悬臂梁自由梁振动振型,可以根据要求设置尺寸、材料参数(The free beam vibration mode of cantilever beam can set the size and material parameters according to the requirement.)
DampedFreeVibration
- 实现对有阻尼系统的自由振动求解,画出系统振动相应曲线(Matlab is used to solve the free vibration of damped system, and the corresponding curve of system vibration is drawn.)
Timoshenko beam in free vibrations
- Timoshenko beam in free vibrations 铁木辛柯梁单元自由振动(Timoshenko beam in free vibrations free vibration of Timoshenko beam element)
一端铰接一端自由梁振动
- 一端铰接一端自由梁振动的ANSYS程序与仿真结果.(Vibration of a free beam with one end articulated and one end free)