Application of Neuro-Wavelet Algorithm in Ultrasonic-Phased Array Nondestructive Testing of Polyethylene Pipelines

Table 2

Simulation results in case study.

Classification of correct and incorrect joint
Q	Actual		ANN
	Value	Type	Value	Type
1	−1	Disjoint	−0.8467	Disjoint	OK
2	−1	Disjoint	−0.9962	Disjoint	OK
3	−1	Disjoint	−0.9756	Disjoint	OK
4	1	Joint	0.9336	Joint	OK
5	1	Joint	0.8449	Joint	OK
6	1	Joint	0.9450	Joint	OK
7	1	Joint	0.5027	Joint	OK
8	1	Joint	−0.2186	Disjoint	—
9	1	Joint	0.1566	Joint	OK
10	1	Joint	0.9777	Joint	OK