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复频率
相关语句
  complex frequency
    Harmonic Oscillator with Complex Frequency
    复频率谐振子
短句来源
    THE COMPLEX FREQUENCY ANALYSIS OF FREE LONGITUDINAL VIBRATION OF VISCOELASTIC STRAIGHT ROD WITH VARYING CROSS-SECTION BY USING FINITE DIFFERENCE METHOD
    变截面黏弹性直杆纵振时复频率分析的差分解法
短句来源
    By use of normalized power series method, eigenvalue equations, included massratio, critical flow velocity and viscoelastic characteristics of material, are arrived at. The effect of dimensionless delay time H on real part and imaginary part of dimensionless excited complex frequency ω and critical flow velocity a0 of curved pipes conveying fluid is discussed.
    在此基础上,运用归一化幂级数解法,得到包含质量比、临界流速、粘弹性材料特性的特征方程组,主要讨论了无量纲延滞时间H对复频率实部和虚部以及管道发散临界流速的影响。
短句来源
    With the annihilation and creation operators of a harmonic oscillator with complex frequency used to represent the Hamiltonian quantity, not only the time-dependent variation of annihilation and creation operators in Heisenberg representation are available but the Green function of oscillator in Schrodinger representation and coherent-state wave function of the harmonic oscillator with complex frequency in coordinate representation can be obtained.
    利用复频率谐振子的湮灭算符和产生算符表示振子的哈密顿量,给出湮灭算符和产生算符在海森堡表象中随时间变化的规律,得到在薛定谔表象中振子的格林函数,相干态波函数。
短句来源
    The severe numerical instability in complex frequency modal mass identification from frequency response function makes it difficult to identify physical parameters.
    利用频响函数识别复频率模态质量存在着严重的数值计算不稳定性,给物理参数的识别造成困难。
短句来源
更多       
  complex frequency
    Harmonic Oscillator with Complex Frequency
    复频率谐振子
短句来源
    THE COMPLEX FREQUENCY ANALYSIS OF FREE LONGITUDINAL VIBRATION OF VISCOELASTIC STRAIGHT ROD WITH VARYING CROSS-SECTION BY USING FINITE DIFFERENCE METHOD
    变截面黏弹性直杆纵振时复频率分析的差分解法
短句来源
    By use of normalized power series method, eigenvalue equations, included massratio, critical flow velocity and viscoelastic characteristics of material, are arrived at. The effect of dimensionless delay time H on real part and imaginary part of dimensionless excited complex frequency ω and critical flow velocity a0 of curved pipes conveying fluid is discussed.
    在此基础上,运用归一化幂级数解法,得到包含质量比、临界流速、粘弹性材料特性的特征方程组,主要讨论了无量纲延滞时间H对复频率实部和虚部以及管道发散临界流速的影响。
短句来源
    With the annihilation and creation operators of a harmonic oscillator with complex frequency used to represent the Hamiltonian quantity, not only the time-dependent variation of annihilation and creation operators in Heisenberg representation are available but the Green function of oscillator in Schrodinger representation and coherent-state wave function of the harmonic oscillator with complex frequency in coordinate representation can be obtained.
    利用复频率谐振子的湮灭算符和产生算符表示振子的哈密顿量,给出湮灭算符和产生算符在海森堡表象中随时间变化的规律,得到在薛定谔表象中振子的格林函数,相干态波函数。
短句来源
    The severe numerical instability in complex frequency modal mass identification from frequency response function makes it difficult to identify physical parameters.
    利用频响函数识别复频率模态质量存在着严重的数值计算不稳定性,给物理参数的识别造成困难。
短句来源
更多       
  “复频率”译为未确定词的双语例句
    So that the physical parameters of the system can be identified from the com- plex frequency data which are easily obtained with one measuring sensor.
    它意味着可以从测得的复频率信息中淬取出系统的结构(物理)参数。 而系统的复频率的获得只需在结构上布置一个测点。
短句来源
    It is further proved that the frequency equations can be expressed in terms of polynomial. For the second class of vibration of submerged spherical shell,it is also demonstrated that only complex frequencies exist except for the case of n=1,for which the trivial solution Ω=0 emerges。 For n=0,1 and 2,the root-loci plots of frequency equations of the second class are given in the paper and the effects of various relative parameters are discussed.
    第二类则受到流体性质的影响.证明了第二类振动的频率方程具有多项式形式并只存在复频率(除n=1时有Ω=0).求解n=0,1和2时的频率方程,并讨论参数的影响及给出根轨迹图。
短句来源
    Computer simulation examples verified its high identification accuracy,anti-noise ability and feasibility in practical use.
    仿真算例表明,优化算法识别精度高,抗噪声能力强,可用于实际复频率模态质量的识别。
短句来源
    Basing on the inverse eigen sensitivity analysis of complex dynamic behavior, the real part of the complex inverse eigen sensitivity is taken into consideration.
    该方法在复模态系统动态特性道特征灵敏度分析基础上,利用多元复合函数求导方法,推导出当系统复频率实部发生单位变化量时,所需要的结构参数改变量的求解公式。
短句来源
查询“复频率”译词为用户自定义的双语例句

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  complex frequency
The method is based on measuring the complex frequency response of the propagation path for a narrow frequency band within which the frequency response is governed by the desired parameters of the medium.
      
Behavior of solutions to the pion dispersion equation in the complex frequency plane
      
The appearance of each solution on the physical sheet of the complex frequency plane and its disappearance are also studied.
      
Numerical calculations were carried out in the frequency range accessible for the perturbation theory using expressions for the real and imaginary parts of the complex frequency shift of Rayleigh waves caused by a slight surface roughness.
      
Complex frequency spectra are obtained, and the mechanisms for wave damping by plasma inhomogeneity are discussed.
      
更多          
  complex frequency
The method is based on measuring the complex frequency response of the propagation path for a narrow frequency band within which the frequency response is governed by the desired parameters of the medium.
      
Behavior of solutions to the pion dispersion equation in the complex frequency plane
      
The appearance of each solution on the physical sheet of the complex frequency plane and its disappearance are also studied.
      
Numerical calculations were carried out in the frequency range accessible for the perturbation theory using expressions for the real and imaginary parts of the complex frequency shift of Rayleigh waves caused by a slight surface roughness.
      
Complex frequency spectra are obtained, and the mechanisms for wave damping by plasma inhomogeneity are discussed.
      
更多          


The purpose of this paper is finding out an approach to solve inverse eigenvalue problems of damped mass-spring system by attaching known masses. So that the physical parameters of the system can be identified from the com- plex frequency data which are easily obtained with one measuring sensor.

本文探讨了用附加已知质量的方法求解有阻尼质量弹簧系统逆特征值问题的可能性。它意味着可以从测得的复频率信息中淬取出系统的结构(物理)参数。而系统的复频率的获得只需在结构上布置一个测点。

In this paper,the free vibration of beams stiffened with damping vibration absorbers are studied.The equationsof motion of the beam are introduced according to the beam-absorber interaction.Complex frequency equation andcomplex modal function of the beam,on which n-piece absorbers are arbitrarily fixed,can be found by means ofLaplace transformation method.Finally,some computer examples are given and are discussed.

本文对带阻尼吸振块梁的自由振动作了理论研究。首先根据吸振块与梁的相互作用原理建立了计算力学模型,用 Laplace 变换方法求得了任意安置 n 个不同吸振块简支梁的复频率和复模态。最后给出了计算实例并进行了讨论。

With the annihilation and creation operators of a harmonic oscillator with complex frequency used to represent the Hamiltonian quantity, not only the time-dependent variation of annihilation and creation operators in Heisenberg representation are available but the Green function of oscillator in Schrodinger representation and coherent-state wave function of the harmonic oscillator with complex frequency in coordinate representation can be obtained.

利用复频率谐振子的湮灭算符和产生算符表示振子的哈密顿量,给出湮灭算符和产生算符在海森堡表象中随时间变化的规律,得到在薛定谔表象中振子的格林函数,相干态波函数。

 
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