The minimum and maximum of amplitude fluctuation correspond with the minimum of precession speed after the critical point on the responsecurve.
振幅、相位、进动角速度在过临界后的波动频率随转速增加而增加。
2
Design of digital high-pass, band pass, band-reject filter, the filter impulse response described demand as well as the filter amplitude-frequency and phase frequency responsecurve.