搜索结果: 1-15 共查到“理学 Attenuation”相关记录57条 . 查询时间(0.178 秒)
A review of nonparametric attenuation functions computed for different regions of Italy
Seismic attenuation S waves non-parametric inversio acceleration spectra
<
2015/10/8
We used a set of previously published nonparametric attenuation functions to calculate average functions for the Italian region. These nonparametric functions describe the spectral amplitude decay of ...
REAL-TIME AUDIO SOURCE SEPARATION BY DELAY AND ATTENUATION COMPENSATION IN THE TIME DOMAIN
REAL-TIME AUDIO SOURCE SEPARATION ATTENUATION COMPENSATION TIME DOMAIN
<
2015/9/29
There is increased interest in using microphone arrays in a variety of audio source separation and consequently speech processing applications. In particular, small arrays of two to four microphones a...
An attenuation study in Southern Italy using local and regional earthquakes recorded by seismic network of Basilicata
seismic attenuation Southern Italy Q
<
2015/9/15
We determined a set of empirical functions that describe the spectral amplitude decay of S-waves with distance in Southern Italy. We analyzed 32 earthquakes with magnitudes ML 2.0-5.4 and hypocentral ...
Bayesian analysisof a probability distribution for local intensity attenuation
Beta distribution binomial distribution power law random intensity decay validation
<
2015/9/15
Intensity attenuation and its variation as a function of the distance and earthquake size is still a critical issue in evaluating seismic hazard. We present a method that allows us to incorporate addi...
The attenuation of seismic intensity in the Etna region and comparison with other Italian volcanic districts
macroseismic intensity attenuation Mt. Etna Italian volcanic areas
<
2015/9/8
A detailed analysis of the intensity attenuation in the Etna and other Italian volcanic districts, was performed using the most recent and complete intensity datasets. Attenuation laws were derived th...
The intensity attenuation of Colfiorito and other strong earthquakes:the viewpoint of forecasters and data gatherers
Attenuation Forecast Macroseismic intensity Seismic scenario Validation criteria
<
2015/9/1
This article has been originated by thoughts on previous analyses related to the proba- bilistic treatment of the macroseismic attenuation, from which it turns out that in Italian territory the intens...
In several recent reports, we have explained the frequency dependence of the apparent seismic quality-factor (Q) observed in many studies according to the effects of geometrical attenuation, which was...
Attenuation of electromagnetic waves at the frequency ~1.7 kHz in the upper ionosphere observed by the DEMETER satellite in the vicinity of earthquakes
Waves and wave analysis Wave propagation
<
2015/8/24
The DEMETER satellite was the first satellite specifically dedicated to the recording of electromagnetic phenomena connected with seismic activity. Almost 6.5 years of measurements provide good opport...
Frequency dependent attenuation of seismic waves for Delhi and surrounding area, India
Delhi and surrounding area seismic waves
<
2015/8/17
The attenuation properties of Delhi and surrounding region have been
investigated using 62 local earthquakes recorded at nine stations. The frequency
dependent quality factors Qa (using P-waves) and...
Frequency dependent attenuation of seismic waves for Delhi and surrounding area, India
Coda Intrinsic Scattering Attenuation Frequency
<
2015/8/14
The attenuation properties of Delhi & surrounding region have been investigated using 62 local earthquakes recorded at nine stations. The frequency dependent quality factors Qa (using P-waves) and Qb ...
Role of Sulfate-Reducing Bacteria in the Attenuation of Acid Mine Drainage through Sulfate and Iron Reduction
acid mine drainage attenuation iron reduction sulfate-reducing bacteria sulfate reduction
<
2015/1/28
Acid mine drainage (AMD) is an acidic, iron-rich leachate that causes the dissolution of metals. It constitutes a worldwide problem of environmental contamination detrimental to aquatic life and water...
Evidence of magma activation beneath the Harrat Lunayyir basaltic field (Saudi Arabia) from attenuation tomography
Seismic attenuation model and the earth's crust Cenozoic basalt the earthquake happened S wave seismograms damping structure
<
2015/1/6
We present a seismic attenuation model for the crust beneath the Cenozoic basaltic field of Harrat Lunayyir (western Saudi Arabia), where a strong seismic swarm occurred in 2009. The tomography invers...
Visceral adiposity is negatively associated with bone density and muscle attenuation
analytic morphomics bone density computed tomography muscle attenuation visceral adiposity
<
2018/12/20
Background: The storage of adipose tissue in ectopic compartments is a hallmark attribute linking greater body mass index (BMI) with cardiometabolic diseases. Despite ample evidence to confirm that in...
Visceral adiposity is negatively associated with bone density and muscle attenuation
analytic morphomics bone density computed tomography muscle attenuation visceral adiposity
<
2018/12/20
Background: The storage of adipose tissue in ectopic compartments is a hallmark attribute linking greater body mass index (BMI) with cardiometabolic diseases. Despite ample evidence to confirm that in...
Acoustic ray tracing in the atmosphere: with gravitational effect and attenuation considered
Acoustic ray tracing Dissipative dispersion relation Gravity effect Attenuation
<
2015/8/18
An acoustic ray tracing model is developed to take into account the impacts of gravitational field and realistic atmospheric attenuation. Ray tracing equations are deduced from the real part of the di...