eit waves and moreton waves

... real and odd Let and refer to real and imaginary, and to even and odd, and lower-case and upper-case letters to time and frequency functions A summary...1.1 SAMPLED DATA AND ... TRANSFORMS AND WAVES: in four lectures Jon F. Clærbout Cecil and Ida Green Professor of Geophysics Stanford University c January 18, 1999 Contents 1 Convolution and Spectra 1 1.1 SAMPLED DATA AND ... Gaussian, and the spectrum is also a Gaussian random Random numbers have an autocorrelation that is an impulse surrounded by some short grass The spectrum is positive random numbers smoothed random...

Ngày tải lên: 17/12/2013, 06:15

... real and odd Let and refer to real and imaginary, and to even and odd, and lower-case and upper-case letters to time and frequency functions A summary...1.1 SAMPLED DATA AND ... TRANSFORMS AND WAVES: in four lectures Jon F. Clærbout Cecil and Ida Green Professor of Geophysics Stanford University c January 18, 1999 Contents 1 Convolution and Spectra 1 1.1 SAMPLED DATA AND ... Gaussian, and the spectrum is also a Gaussian random Random numbers have an autocorrelation that is an impulse surrounded by some short grass The spectrum is positive random numbers smoothed random...

Ngày tải lên: 22/12/2013, 21:17

... world-view, it is vibrations and waves that are fundamental, and the formation of matter is just one of the tricks that waves can do Vibrations 1.1 Period, Frequency, and Amplitude Figure ... Transmission, and Absorption 77 Reflection and transmission, 77.— Inverted and uninverted reflections, 79.— Absorption, 79... bit of its potential and kinetic energy into heat and sound, ... 72 waves, 92.—Standing-wave patterns of air columns, 93 Summary Problems 95 96 Appendix 1: Exercises 98 Appendix 2: Photo Credits 100 Appendix 3: Hints and Solutions 101 4 Bounded Waves...

Ngày tải lên: 19/01/2014, 14:34

... SAU ĐẠI HỌC  TIỂU LUẬN TÀI CHÍNH QUỐC TẾ ĐỀ TÀI: SURFING THE WAVES OF GLOBALIZATION: ASIA AND FINANCIAL LOBALIZATION IN THE CONTEXT OF THE TRILEMMA + GVHD : Ts Nguyễn ... kinh tế vĩ mô cũng như các chuyên gia tài chính. Bài nghiên cứu ‘’Surfing the Waves of Globalization: Asia and Financial Globalization in the Context of the Trilemma’’ của Joshua Aizeman ... chính quốc tế cố gắng để đạt được sự kết hợp 2 trong 3 mục tiêu chính sách, như là hệ thống Gold Standard - sự thay đổi của vốn được đảm bảo và tỷ giá hối đoái ổn định; Hệ thống Bretton Woods -...

Ngày tải lên: 15/03/2014, 11:21

... Vibrations and Waves Benjamin Crowell Book 3 in the Light and Matter series of introductory physics textbooks www.lightandmatter.com Vibrations and Waves The Light and Matter series of ... Conservation Laws 3 Vibrations and Waves 4 Electricity and Magnetism 5 Optics 6 The Modern Revolution in Physics Vibrations and Waves Benjamin Crowell www.lightandmatter.com Light and Matter Fullerton, ... 37 3 Free Waves 39 3.1 Wave Motion 40 3.2 Waves on a String 44 3.3 Sound and Light Waves 48 3.4 Periodic Waves 50 3.5 The Doppler Effect 54 Summary 58 Homework Problems 59 4 Bounded Waves 61 4.1...

Ngày tải lên: 24/04/2014, 16:53

... Atomic Vibrations and Propagation of Acoustic Waves in Heterogeneous Systems 103 Alexander Feher, Eugen Syrkin, Sergey Feodosyev, Igor Gospodarev, Elena Manzhelii, Alexander Kotlar and Kirill Kravchenko ... Scattering of Elastic Waves in Granular Media: Theory and Experiments 127 Leonardo Trujillo, Franklin Peniche and Xiaoping Jia Chapter 6 Interface Waves 153 Hefeng Dong and Jens M. Hovem Chapter ... Waves in Layered Media 53 I. Djeran-Maigre and S. V. Kuznetsov Chapter 3 Surface and Bulk Acoustic Waves in Multilayer Structures 69 V. I. Cherednick and M. Y. Dvoesherstov Chapter 4 The Features...

Ngày tải lên: 19/06/2014, 12:20

... 12 20xx axx a   , (73) and the roots of equation (64) corresponding to qP- and qSV -waves, P   and S   , satisfy the equations Waves in Fluids and Solids 16     ... 1996; Ursin and Stovas, 2002; Stovas and Ursin, 2003; Stovas and Arntsen, 2003). Physical experiments were performed by Marion and Coudin (1992) and analyzed by Marion et al (1994) and Hovem ... 2. Propagating and evanescent regions for qP  and qSV  waves in the   12 ,bb domain. The points  1 1, 1N  and   2 1, 1N denote the crossings between 21 12bb  and 2 21 bb...

Ngày tải lên: 19/06/2014, 12:20

... with seismic data and seismic modelling. This problem was first studied in the now classical paper by O'Doherty and Anstey (1971) and further investigated by Shapiro and Treitel (1997). In ... 1684-2189 (in Russian)... Kliakhandler, Porubov, and Verlande (2000), Planat and Hoummady (1989), Porubov et al (1998), Samsonov (2001), our soliton-like waves are described by linear vectorial ... Stovas and Roganov (2009). The slowness-surface approximations for qSV waves (similar to acoustic approximation for qP waves) are used for processing (in particular, phase-shift migration) and...

Ngày tải lên: 19/06/2014, 12:20

... 1 E1 Waves in Fluids and Solids 92 Let us denote the mechanical displacements and the electric potential on the lower free surface as (1) (1) (1) (1) 123 ,,,uuu  and the same values ... influences on both TCF and a resonance frequency, when it is placed between electrodes. [...]... Atomic Vibrations and Propagation of Acoustic Waves in Heterogeneous Systems Alexander Feher1, ... membrane type resonator) and for thickness of SiO2 and Mo layers in a Bragg reflector 0.71 m and 0. 75 m respectively The AlN layer thickness remains 1.9 m and a resonance frequency...

Ngày tải lên: 19/06/2014, 12:20

... Granular Media: Theory and Experiments Media: Theory and Experiments Multiple Scattering of Elastic Waves Elastic Waves in Granular 135 9 3.1.1 Local disorder and randomness Apart from ... contacts and not via air, we have Multiple Scattering of in Granular Media: Theory and Experiments Media: Theory and Experiments Multiple Scattering of Elastic Waves Elastic Waves ... another (longitudinal wave   ab l s ~ 11 C and two transverse waves) . One of the transverse waves is polarized in the basal plane (  ab s  ~ 66 C ) and another one is polarized along the c...

Ngày tải lên: 19/06/2014, 12:20

... 158 Waves in Fluids and Solids surface of a solid medium and has... to introduce interface waves and their properties Section 4 presents techniques for using interface waves ... (26) and (27). To do so we first recall that the extinction time of mode n is given by 1/τ n = −2ImΣ n (ω) and replace in Eq. (27) the integers n and m by ik i and jk j , respectively, where i and ... δK of operator (19) so that K = K 0 + δK, (21) 140 Waves in Fluids and Solids Multiple Scattering of Elastic Waves in Granular Media: Theory and Experiments 15 Fig. 4. Transmitted ultrasonic signal...

Ngày tải lên: 19/06/2014, 12:20

... identify and Waves in Fluids and Solids 172 separate different modes and obtain higher resolution. By combining both v z and v x dispersion data the final dispersion data are extracted and ... acoustic and elastic waves, their wave equations and propagation, a detailed presentation on interface waves and their properties is given. The experimental set up for excitation and reception ... collected in underwater and seismic experiments. Waves in Fluids and Solids 166 4.1 Experimental setup and data collection In conventional underwater experiments both the source and receiver array...

Ngày tải lên: 19/06/2014, 12:20

... 21(a), and 22(a), show that the wavefronts of P and S waves are a circle in the VTI medium, whereas other snapshots in Figures 20, 21, and 22 show that the wavefronts of P and S waves ... λ2=11.0 GPa, μ2=15.0 GPa and ρ2=2.0g/cm3, corresponding to the P- and S-wave velocities of 2.082 km/s and 1.291 km/s in the top layer medium, and 4.528 km/s and 2.739 km/s in the ... domain, and ∂f/∂x and ∂f/∂z are set to be zero in this example and other experiments in the following section. The spatial and temporal increments are chosen by h=Δx=Δy=Δz=25 m and Δ t=1.5×10...

Ngày tải lên: 19/06/2014, 12:20

... (1) of the electric potential and the presence of a supplementary force due to the 242 Waves in Fluids and Solids Studies on the Interaction Between an Acoustic Wave and Levitated Microparticles ... initial position and velocity. One could say that, within the stability domains, a potential 244 Waves in Fluids and Solids Studies on the Interaction Between an Acoustic Wave and Levitated Microparticles ... 260 Waves in Fluids and Solids Thereby it follows that the energy converted into shear waves is insignificant as the incident... displayed in Table 4 Numerical result 254 14 Waves...

Ngày tải lên: 19/06/2014, 12:20

... (21). The T-matrix method handles the effect of the sphere’s layers and the Sommerfeld’s method handles the singularity of the point-source and unifies the cases of interior and exterior excitation. ... (cos θ), r < r q where j n and h n are the n-th order spherical Bessel and Hankel function of the first kind and P n is a Legendre polynomial. 298 Waves in Fluids and Solids [...]... scholar ... Electromagnetic and Acoustic Scattering... J S Alves, and P M C Ribeiro, Crack detection using spherical incident waves and near-field measurements Boundary Elements XXI, edited by C A Brebbia and...

Ngày tải lên: 19/06/2014, 12:20

... Materials 1 Leonardo Sandrolini, Ugo Reggiani and Marcello Artioli Chapter 2 Features of Electromagnetic Waves Scattering by Surface Fractal Structures 17 O. Yu. Semchuk and M. Willander Chapter ... Transactions on Instrumentation and Measurement 39(2): 387–394 Inan, U S and Inan, A S (2000) Electromagnetic Waves, ... of Materials Leonardo Sandrolini, Ugo Reggiani and Marcello Artioli Department ... Lech and Jerzy Mazur Chapter 4 The Eigen Theory of Electromagnetic Waves in Complex Media 53 Shaohua Guo Chapter 5 Electromagnetic Waves in Cavity Design 77 Hyoung Suk Kim Chapter 6 Wide-band...

Ngày tải lên: 19/06/2014, 19:20

... the second and third columns on fig.2) Will notice that with an increase N , M , D and q increases and spatial homogeneity of surface on grand the scale: large-scale "hills" disappear, and finely ... scales Since natural surfaces are generally neither purely random nor purely periodic and often anisotropic, the above proposed function is a good candidate for modeling natural surfaces The phases ... of both deterministic periodic and random structures This function is anisotropic in the two directions if M and N are not too large It has a large derivative and is self similar It is a multi-scale...

Ngày tải lên: 19/06/2014, 19:20

... geophysical probing and subsurface studied of the moon and other planets (Bui et al., 1991), High power and ultra-wide-band radar systems, in which it is necessary to model ultra-wide-band electromagnetic ... Behaviour of Electromagnetic Waves in Different Media and Structures 4 The Eigen Theory of Electromagnetic Waves in Complex Media Shaohua Guo Zhejiang University of Science and Technology P. R. ... electric and magnetic ordering coexists, and in two-phase composites where the participating phase are pizoelectric and piezomagnetic (Bracke & Van Vliet,1981; Van Run et al., 1974) . Agyei and...

Ngày tải lên: 19/06/2014, 19:20

... εμ =+  (2) Hm 7 0 410 / μπ − =× and Fm 9 0 1 10 / 36 ε π − =× (3) , where E and H are the electric and magnetic field vectors, in volts/meter and ampere- turns/meter, respectively. ... the magnetic flux and the magnetic flux links the current, as required by the laws of Faraday, Biot and Savart. Behaviour of Electromagnetic Waves in Different Media and Structures 80 ... distances of 5.7 and 9.4mm. In the figure, the electric field is enhanced and fairly uniform due to the presence of resonator grid1 and resonator grid2. The grid structure in beam inlet and beam outlet...

Ngày tải lên: 19/06/2014, 19:20

... standard material PTFE, air, and methanol Wide-band Rock and Ore Samples Complex Permittivity Measurement 111 We first test this technique with PTFE whose thickness is 10.50mm in this paper and ... between the flange and the sample The main reasons of producing air gap are that the upper surface and down surface are not parallel and clean enough, and the upper surface and the down surface ... tuffaceous sandstone, and dacite The high-grade ore, pyrite, and the medium-grade ore are distinguishable from each other and the others Rocks Ores Rock or Ore names tuffaceous fine-grained sandstone...

Ngày tải lên: 19/06/2014, 19:20