P waves (primary)
Detection of seismic events triggered by P waves from the 2011 Tohoku Oki earthquake
... teleseismic waves provides a clue to understanding its mechanism because it is possible to directly investigate the stress/strain changes that excite NVT by distinguishing be- tween incoming seismic waves ...
7
Axial kinematic response of end bearing piles to P waves
... Kinematic pile-soil interaction under vertically impinging seismic P waves is revisited through a novel continuum elastodynamic solution of the Tajimi type. The proposed model simulates the steady-state ...
27
P-Waves Interaction with Crack at Orthotropic Interface
... An interfacial crack problem with a Griffith Crack between two dissimilar orthotropic media has been solved and numerical computation has been done with a pair of composite materials. The SIF(K) and COD have been obtained ...
13
Seismic Signal and Data Analysis of Rock Media with Vertical Anisotropy
... seismic waves is the so-called P-wave, which stands for primary ...elastic waves, e.g. S-waves and surface waves. P-waves can travel through various media, including the ...
8
Measurements of mantle velocities of P waves with a large array
... The multichannel Wiener filtering formulation differs from the other two methods in that it does not assume that the signal is a plane wave crossing the array with a fixed velocity.. Thu[r] ...
112
Attenuation of P, S and Coda Waves in the NW Himalayas, India
... of P- and S-wave attenuation in the upper crust of NW Himalayas have been estimated using local earthquakes for a frequency range of ...for P-waves (Q P ) and ...
13
A Machine Learning Approach for Locating Acoustic Emission
... detect P- wave ...160 P-waves to be tested in each ...all P-waves in these data ...visible P-wave. The training feature vectors for P-waves and noise sets were ...
14
Pham, Nguyen Dinh (2009): Rotational Motions in Seismology: Theory, Observation, Modeling. Dissertation, LMU München: Fakultät für Geowissenschaften
... the P coda is hidden in the ...visible P-coda rotations (Figure ...the P-coda time window, with clear visibility of transverse acceleration, an increase of correlation between rotation rate and ...
118
Parametrizations of three-body hadronic B- and D-decay amplitudes
... and P waves are im- plemented via analytical and unitary S - and P-wave ππ, πK and K K ¯ form factors entering in hadronic final states of our amplitude ...
6
Reflection and transmission of seismic waves under initial stress at the earth's core mantle boundary
... for the reflected and incident P waves we may calculate the actual value of the initial stress near the core-mantle boundary... FORMULATION AND SOLUTION OF THE PROBLEM..[r] ...
8
ELECTROCARDIOGRAM IN 679 HEALTHY INFANTS AND CHILDREN
... P Waves: Flat, diphasic or inverted P waves never occurred in Lead I in the 679 ECGs.. The.[r] ...
14
m- Pg. 11 - EQ Time Travel.pdf
... The study of how seismic waves change as they travel through Earth has revealed that?. (1) P -waves travel more slowly than S -waves through Earth’s crust.[r] ...
5
Why Energy and Mass Can Be Converted between Each Other? A New Perspective Based on a Matter Wave Model
... ∂ . (4) We propose that this is the basic wave equation for all types of excitation waves of the vacuum medium. ψ can have different solutions, which may represent different types of free particle. (Note: Even ...
9
ELECTROCARDIOGRAPHIC PARAMETERS OF THE SPORT HORSE
... ECG waves: the biphasic aspect of wave P, the sS-type aspect of the QRS complex, the monophasic aspect of the T ...of P 2 biphasic wave increased by ...
5
Strongly nonlinear, simple internal waves in continuously-stratified, shallow fluids
... nonlinear waves with contin- uous stratification and fully-nonlinear waves in a two-layer ...simple waves for general initial conditions and general stratification profiles do not seem possible at ...
12
Machine-Learning Prediction of Underwater Shock Loading on Structures
... Abstract: Due to the complex physics of underwater explosion problems, it is difficult to derive analytical solutions with accurate results. In this study, a machine-learning method to train a back-propagation neural ...
11
Propagation of P and SV Waves through Loosely Bonded Solid/Solid Interface
... γ = 0.5 and dashed dotted line for smooth interface i.e. γ = 0. In Figures (2)-(11), there is P wave incident whereas in figures (12)-(21), SV wave is incident. In the figures (2)-(6) and (12)-(16), medium –I is ...
13
A New Method for Modeling Bottom Shear Stress under Irregular Waves
... irregular waves of experimental result is examined by a new calculation method of bottom shear stress based on incorporating velocity and acceleration terms ...
10
A Contribution to the Theory of High Frequency Elastic Waves, with Applications to the Shadow Boundary of the Earth's Core
... The diffraction of P an d S waves by various obstacles is studied theoretically, in order to evaluate frequency dependent corrections to ray theory for elastic w[r] ...
290
Fpga Implementation Of A Marginalized Particle Filter For Delineation Of P And T Waves Of Ecg Signal
... P and T-wave detection: Unlike most of the approaches found in the literature, no rigid amplitude threshold is used to determine whether waves are significant or not. The posterior distribution of wave ...
6