Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Experimental results before and after filtering.
| Acceleration/g | Frequency/Hz | The max. error of the mode shape/% | |||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Max. | Min. | Std. | Mode 1 | Mode 2 | Mode 3 | Mode 1 | Mode 2 | Mode 3 | |
| Before | 0.45 | −0.39 | 0.11 | 5.43 | 17.70 | 21.36 | 0.36 | 4.57 | 6.01 |
| After | 0.39 | −0.37 | 0.10 | 5.43 | 17.70 | 21.36 | |||
