reflected waves
Pipeline network features and leak detection by cross-correlation analysis of reflected waves
... This article describes progress on a new technique to detect pipeline features and leaks using signal processing of a pressure wave measurement. Previous work (by the present authors) has shown that the analysis of ...
30
Part I: Lower limit of the total energy of earthquakes and partitioning of energy among seismic waves. Part II: Reflected waves and crustal structures
... possible the pres e nt knowledge regardin g the velocity-density structure in the Earth, the attenuation of seismic waves , the radiation pattern of the source and [r] ...
251
Effect on Reflection of Rayleigh Waves due to Size of Plane Barrier in Shallow Ocean
... Rayleigh waves due to the barrier of different ...The reflected waves are obtained by Wiener-Hopf technique and Fourier ...the reflected Rayleigh waves. The reflected ...
6
Wave propagation in a transversely isotropic microstretch elastic solid
... surface waves in isotropic microstretch elastic materials are studied by many ...plane waves in an isotropic microstretch elastic solid and discussed a prob- lem on reflection of the plane waves from ...
10
Evidence for the use of reflected self generated seismic waves for spatial orientation in a blind subterranean mammal
... detect reflected/diffracted energy through at least two of its paws (we used left forepaw and left ...diffraction waves detected by the forepaw and hindpaw (whether left or right), there would be no ...
14
The use of reflected Rayleigh waves to study rough contact interfaces
... Bulk waves that travel through a component and are reflected from an interface can be used to measure parameters such as contact stress and lubricant film ...Rayleigh waves that propagate along the ...
20
Non Destructive Evaluation of Material System Using Highly Nonlinear Acoustic Waves
... solitary waves for the detection of defects and im- purities in granular ...the reflected waves from the interface depend on the wall’s mechanical ...solitary waves can be useful are sound ...
168
Non-destructive evaluation of moisture content in wood using ground-penetrating radar
... found: the propagation velocities, as well as the amplitudes of the reflected waves, were always smaller when the electric field was longitudinal to the grain rather than transverse to it. However, when the ...
7
The amplitude of waves reflected from a vertical circular cylinder
... the solution to calculate the anplitude of the reflected waves in different directions and at different distances from the cylinder, for a number of different values of the ratio of the [r] ...
23
Ultrasonic Rayleigh wave enhancements from angled defects in aluminium
... surface waves such as Rayleigh waves will interact with a surface defect, and measuring the properties of the transmitted and reflected waves can help to characterise the defect ...
9
Wave propagation in a sandwiched layer of transversely isotropic magnetothermoelastic with elastic solids
... Amplitude ratio : Fig.7 shows the trends of variations of amplitude ratio with angle of incidence . We notice that initially the values are steady state for all the cases but as approaches , the values of amplitude ratio ...
18
RFID G Based Navigation System For Visually Impaired To Work at Industry
... The Transmitter emits ultrasonic waves, which are reflected on encountering any obstacle in the user’s path. The echo is received by the ultrasonic receiver, which is weak signal and is hence fed to a ...
8
Speed of Reflected Electromagnetic Waves
... ray reflected from a perfectly conducting reflector equals the speed of the approaching light ray, both with respect to the ...the reflected light rays has no (or very little) effect on the measured ...
33
New Method in Calculating the Trajectory of Sound Waves at Stratified Ocean
... two waves, reflection and re- ...jections reflected and refracted waves at the boundary of the medium is none other than the Snell’s law, which determines the direction of propagation of refracted ...
9
The signature of subsurface Kondo impurities in the local tunnel current
... When eV < 0 (Fig. 1b) a wave incident to the contact (trajectory 2) is partially reflected from the contact. The electron moving along the trajectory 3 from the contact to the defect is partially scattered ...
13
04-TransmissionMedia.ppt
... • Source placed at focus will produce waves reflected from parabola in parallel to axis. — Creates (theoretical) parallel beam of light/sound/radio[r] ...
47
Non contact ultrasonic characterisation of angled surface defects
... ultrasonic waves have been shown to have many uses in non-destructive testing, in particular for gauging the depth of surface ...of reflected and mode-converted waves, the delay in the transmission ...
9
Analysis of Wave Propagation at an Imperfect Boundary between Micropolar Elastic Solid and Micropolar Porous Elastic Solid
... various reflected wave and refracted waves has been derived for the normal force stiffness, transverse force stiffness and welded ...of waves in more realistic models of micropolar elastic solid pr ...
18
A STUDY ON SMART LIBRARY MANAGEMENT SYSTEM
... Smart Library Management System using RFID Author: Dr.Annaraman1, P. Thamarai*2,Dr. T.V.U. Kiran Kumar3Year : 2015.Applicability of Radio Frequency Identification (RFID) system which is a new generation of Auto ...
6
Reflection and Refraction of Wave in two welded contact infinite unbounded half Spaces
... reflected coupled transverse and microrotational wave, transmitted P-wave and transmitted SV-wave with angle of incidence of coupled transverse and microrotational wave. The porous effect is shown in these ...
17