振子

The experimental method of how to test the dynamic characteristic of vibration system is also researched.

通过对弹簧振子的动态性能测试和分析，为深入研究机械振动特性提供了参考。

Using the extended relativistic multi-configuration Dirac-Fock theory and the general-purpose relativistic atomic structure program 2(GRASP2) with quantum electrodynamical effect and breit correction, we have calculated the energy level structures, transition wavelengths, transition probabilities, oscillator strengths, energy level lifetimes, level widths and ionic average lifetimes of As-like Au~(46+), Ge-like Au~(47+) and Fe-like Au~(53+).

根据扩展的全相对论多组态Dirac-Foek理论，采用"多功能相对论原子结构程序GRASP~2(General-Purpose Relativistic Atomic Structure Program 2，1992)"，考虑量子电动力学效应和Breit修正，计算了激光金等离子体中类砷金Au~(46+)，类锗金Au~(47+)和类铁金Au~(53+)的能级结构、跃迁波长、跃迁几率、振子强度、能级寿命、能级宽度和离子平均寿命。

It is found that under the same vibration mode, the equivalent inductance of the single layer piezoelectric transformer is the twice of the same quality piezoelectric oscillator; 2 Based on the density energy formula, the three-dimensional lump type equivalent circuit of the piezoelectric transformer has been set up.

发现在相同的振动模式下，单层压电变压器的等效电感是相同质量压电振子的两倍； 2）以能量密度公式为基础，建立了压电变压器的三维集总式等效电路图。

And based on a class of oscillator of ENSO models, employing the method of homotopic mapping, the approximate and exact of solution of corresponding problem is studied.

并在这基础上借助同伦映射方法研究了一类ENSO模型振子模型的近似解与精确解。

The generators and irreducible representation coherent stato of the SU(1,1) group are constructed by using the inverse operators of hose harmonic oscillator, and the inhomogeneous inverse differential realization s of the SU(1,1) group are derived

利用玻色振子的逆算符构造了SU（1，1）群的生成元和不可约表示的相干态，导出了SU（1，1）群的非齐次逆微分实现。

Within the WBEPM theory,the transition probabilities and oscillator strengths of some heavier and light atoms and ions are investigated.We also used the conceptions of spectrum-level-like series and iso-spectrum-level series to study the energy levels of some atoms.Based on the previous work,we used double generalized Laguerre polynomial to calculate the value for the ground-state energy of He atom.

本论文在郑能武教授提出的最弱受约束电子势模型理论基础之上，对若干较重和轻原子离子的跃迁几率和振子强度作了研究；引入类光谱态能级序列的概念和等光谱态能级序列的概念研究了一些原子离子的能级性质；并在前人工作的基础上用双广义拉盖尔函数对氦原子的基态能量做了计算。

It is observed that Stark manifold exhibits linear structure with theincrease of the electric field in the low-field region.

观察到低场中斯塔克簇随电场增加呈现线性结构以及1P1态与斯塔克簇在抗交叉过程中振子强度发生转移的现象。

Two bulk magnons are observed. One is the thermally excited magnon and another is the uniform magne-tostatic mode.

此实验观测到了两种体波性质的磁振子，一个是热激发的自旋波，另一个被确认为静磁模。

The expression -ImΣ~*(1=/(2τ) is available to take as a criterion for the magnon lifetime.

根据关系式-ImΣ*(1)=/(2τ)可以对磁振子寿命进行判断。

Through studying the dynamical and quantum fluctuation properties of the spin waves, in analogy with the modulation of quantum noise in light and lattice waves, and lattice waves, we calculate out the average value of spin fluctuation and get the condition of achieving the magnon squeezing states.

通过研究自旋波的动力学和量子涨落的性质，类似于光波和格波的量子噪声的调制，计算出自旋涨落的平均值，从而得到了产生磁了振子压缩态的条件。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了