decomposite

Based on the correlation principle, an algorithm to decomposite the damped free vibration signals of a two degrees of freedom system with close natural frequencies is put forward.

摘要基于单一频率成分的由衰减振响应信号的相关性原理，提出了一种频率密成分的两耦振子由衰减振响应信号的解耦算法。