Video Motion Magnification and Subpixel Edge Detection-Based Full-Field Dynamic Displacement Measurement

Table 1

The natural frequency (Hz) of the strands.

No.	The first-order frequency	The second-order frequency	The third-order frequency
1	7.813	15.234	22.852
2	9.571	18.756	27.734
3	10.156	19.727	28.906
4	11.523	22.852	33.594
5	12.305	24.609	36.133
6	13.086	25.977	38.086