منابع مشابه
Synthesis of Seismogram Envelopes in Heterogeneous Media
SUMMARY Wave trains in high-frequency seismograms of local earthquakes are mostly composed of incoherent waves that are scattered by distributed heterogeneities. Their waveforms are very complex and significantly different from those computed for conventional layered structures; however, their envelopes are repeatable, frequency dependent, and vary regionally. Well-logs obtained from deep boreh...
متن کاملInvestigating the S Wave Velocity Structure Beneath Southwest North America through Seismogram Comparison of C052297B Earthquake
In this research the investigation concerning the earth structure beneath the Southwest North America landmass is carried out, which covers a small area, i.e. between Mexico and California. S speed models for this area are obtained by carrying out seismogram fitting in time domain and three simultaneous Cartesian components. Seismogram data are the effect of earthquake C052297B in Guererro, Mex...
متن کاملTemporal Envelopes in Sine-Wave Speech Recognition
There is a long debate on the relative importance of spectral and temporal cues in speech perception theories. On the one hand, the highly-intelligible sine-wave speech (SWS) has been viewed as a representation of the global spectral structure of the speech signal. On the other hand, there is accumulating evidence showing that the temporal aspects of speech without spectral details provide suff...
متن کاملSecondary Wave (s-wave)
Discussion S waves are seismic body waves meaning they travel through the Earth’s interior. Their velocity is slower than that of P waves, and they are normally the second major phase to be observed on a seismogram, and are therefore also referred to as secondary waves. In the Earth’s crust, S wave velocities are typically 3–4 km/s. S waves are usually larger in amplitude than P waves and may c...
متن کاملThe Protein Translocon of the Plastid Envelopes*□S
The Toc and Tic translocon facilitate import of preproteins into chloroplasts. In the past, it was speculated that several translocon subunits act specifically for different types of precursor proteins or in different tissues. To generate a comprehensive picture of the expression and tissue-specific localization of the translocon subunits, their transcript levels were analyzed in roots and leav...
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ژورنال
عنوان ژورنال: Zisin (Journal of the Seismological Society of Japan. 2nd ser.)
سال: 2001
ISSN: 0037-1114,1883-9029,2186-599X
DOI: 10.4294/zisin1948.54.1_159