According to our analysis, the wavelet AR spectral analysis and the wavelet packet AR spectral analysis, which integrate AR model with parameter spectral analysis and wavelet in no parameter spectral analysis, has better frequency resolution and ability to check measuring noise in the spectral analysis of geocentric motions.
针对地球质心运动主要是由多种周期运动叠加的特点,依次讨论了谱分析方法中的AR模型谱分析和小波谱分析方法。
The effects of the motion of atomic mass centre and field mode structure on the dynamics of the field phase in the Jaynes Cummings model are discussed by means of the Hermitian phase formulas of Pegg and Barnett.
运用 Pegg- Barnett的厄米相位公式 ,研究了 J- C模型中原子质心运动和场模结构对场相位动力学的影响。
The relation between Lagrange multiplier of impact and impact force was obtained on the basis of theorem of motion of mass center.
在子结构离散的柔性多体系统的动力学基础上，由质点系统的质心运动定理建立了与接触碰撞有关约束的Ｌａｇｒａｎｇｅ乘子和撞击力的关系。
As to the conservation of motion of center of mass, the method of absolute coordinate system is generally used in the teaching meterials of theoretic mechanics.
对于质心运动守恒问题，理论力学教材中一般用绝对坐标法进行计算。