It is widely accepted that the frequencies of external forces are neither equal nor near to any eigenvalue of a linear system without damping, so as to prevent it from resonance.
It is widely accepted that the frequencies of external forces are neither equal nor near to any eigenvalue of a linear system without damping, so as to prevent it from resonance.
摘要对于无阻尼线性系统，外力频率不等于或不接近于系统的任一固有频率一直被认为是避免共振的条件。