Journals
Publish with us
Publishing partnerships
About us
Blog
Advances in Civil Engineering
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Advances in Civil Engineering
/
2019
/
Article
/
Fig 13
/
Research Article
Study on Multiparameter Precursory Information Identification of the Fracture of Yellow Sandstone
Figure 13
Fourier time-frequency transformation. (a) Waveform signal. (b) Two-dimensional spectrogram.
(a)
(b)