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Spectrogram Analysis of Selected Tremor Signals Using Short-time Fourier Transform and Continuous Wavelet Transform
| Content Provider | Semantic Scholar |
|---|---|
| Author | Seidl, Dieter |
| Copyright Year | 2005 |
| Abstract | Among a variety of spectrogram methods Short-Time Fourier Transform (STFT) and Continuous Wavelet Transform (CWT) have been selected in order to analyze transients in non-stationary tremor signals. Depending on the properties of the tremor signal a more suitable representation of the signal is gained by the CWT. Three selected broadband tremor signals from the volcanos Mt. Stromboli, Mt. Semeru and Mt. Pinatubo have been analyzed using both methods. The CWT can also be used to extend the deenition of coherency into a time-varying coherency spectro-gram. An example is given using array data from the volcano Mt. Stromboli. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.lnt.de/~thorsten/99_bartosch_seidl.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Array data structure Complex wavelet transform Continuous wavelet Gain N-gram Short-time Fourier transform Spectrogram Stationary process Tremor gram volcano |
| Content Type | Text |
| Resource Type | Article |
