Damage Detection of Structures for Ambient Loading Based on Cross Correlation Function Amplitude and SVM

Figure 14

The CV accuracy with and for polynomial, RBF, and SKF kernel functions.

(a) Polynomial kernel function (). Optimal and are C = , = 2⁸

(b) RBF kernel function. Optimal and are = , = 2³

(c) SKF kernel function. Optimal and are = 2¹, = 2²