Comparative Assessment and Experimental Validation of a Prototype Phase-Optical Time-Domain Reflectometer for Distributed Structural Health Monitoring

Table 2

Summary of applied tests.

Test number	Excitation type	LT position	Simulated damage
1	1 Hz	Position 1	No
2	7.4 Hz	Position 1	No
3	23 Hz	Position 1	No
4	1-10 Hz sweep	Position 1	No
5	5-50 Hz sweep	Position 1	No
6	White noise	Position 1	No
7	Shock	Position 1	No
8	1 Hz	Position 2	No
9	7.4 Hz	Position 2	No
10	23 Hz	Position 2	No
11	1-10 Hz sweep	Position 2	No
12	5-50 Hz sweep	Position 2	No
13	White noise	Position 2	No
14	23 Hz	Position 2	No
15	White noise	Position 2	No
16	White noise	Position 2	Center north
17	White noise	Position 2	Shaker south
18	23 Hz	Position 2	Shaker south

LT: laser tracker.