Acceleration Harmonic Estimation for Hydraulic Servo Shaking Table Based on Multi-Innovation Stochastic Gradient Algorithm

Table 1

THD analysis results of the sinusoidal shaking test.

THD	Harmonica amplitude (m/s^2)
23.4%	Fundamental	Second	Third	Fourth	Fifth	Sixth	Seventh	Eighth
	3.873	0.365	0.279	0.222	0.640	0.367	0.085	0.102