Advances in Civil Engineering / 2019 / Article / Fig 3

Research Article

Monitoring and Identification of Vibration Frequencies on a Portion of México City Metro Line 12

Figure 3

Stabilization diagram for ambient vibration record of 2013. Identified frequencies based on average power spectrum ratios and recursive subspace identification methods N4SID and MOESP. The nonrecursive N4SID method is added for comparison purpose.
(a)
(b)

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.