Research Article

Identification of Random Dynamic Force Using an Improved Maximum Entropy Regularization Combined with a Novel Conjugate Gradient

Figure 3

The selection of the suitable regularization parameter from the L-curve.
(a) The graphical illustration of L-curve
(b) λ = 10−1
(c) λ = 10−2
(d) λ = 10−5
(e) λ = 10−7