振动结构相位特性的两种估计方法的研究

A STUDY ON THE ESTIMATION OF PHASE BEHAVIOR OF VIBRATION STRUCTURES

通过对机械结构相位特性的试验研究,分析了极点零点模型和波动理论应用于相位特性估计的适用性和局限性,讨论了相位特性与有关因素之间的关系.

By means of experimental investigation, this paper analyses the applicabilities and limitations of pole-zero model and wave approach in predicating the phase behavior of vibrational structures. The relationships between the phase and the concerned parameters (such as frequency, damping, and separation distance) of the transfer function are discussed.