Instantaneous Characteristics of Nonlinear Torsion Pendulum and Its Application in Parameter Estimation of Nonlinear System

Table 5

Estimation results under different SNR noise.

SNR	(s^−1)	(rad^−1)	(rad^−1⋅s^−2)	(rad^−3⋅s^−2)
60 dB	0.0100	0.1000	4.0001	−6.0173
50 dB	0.0100	0.1002	3.9994	−5.9731
40 dB	0.0098	0.1032	3.9979	−5.9592