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| Author | : Jaroslaw Konopka |
| Publisher | : |
| Total Pages | : 306 |
| Release | : 2008 |
| Genre | : |
| ISBN | : |
| Author | : Patrick Joseph Welton |
| Publisher | : |
| Total Pages | : 188 |
| Release | : 1975 |
| Genre | : Acoustic surface waves |
| ISBN | : |
The scattering of acoustic waves by randomly rough surfaces is studied both theoretically and experimentally. A new formulation of the scattering integrals, based on the potential method, is developed. Although the formal solution of scattering problems based on the potential method includes both the singly scattered and multiply scattered field components, only the expression for the singly scattered field is specialized to a form suitable for scattering calculations. Upon taking the ensemble average of the scattered pressure, a very general result is obtained which shows that, except for a proportionality constant, the mean scattered pressure and the probability density function of surface heights are Fourier transform pairs. The mean scattered pressure is calculated for both a Gaussian and a Laplacian probability density function.
| Author | : James Joseph Truchard |
| Publisher | : |
| Total Pages | : 149 |
| Release | : 1974 |
| Genre | : Electro-acoustics |
| ISBN | : |
The parametric reception of a low frequency plane wave by the use of nonlinear interactions between acoustic waves is examined both theoretically and experimentally. The parametric reception of a low frequency wave is accomplished by the use of a high frequency acoustic pump wave which interacts with the low frequency signal wave to produce sound waves at the sum and difference frequencies. These sound waves are received by a second transducer placed on the axis of the pump transducer. This type of parametric array allows for the possibility of narrowbeam detection of a low frequency acoustic signal wave. (Modified author abstract).
| Author | : |
| Publisher | : |
| Total Pages | : 994 |
| Release | : |
| Genre | : Aeronautics |
| ISBN | : |
| Author | : S. V. Sankar |
| Publisher | : |
| Total Pages | : 9 |
| Release | : 1987 |
| Genre | : |
| ISBN | : |
| Author | : Supriyo Datta |
| Publisher | : |
| Total Pages | : 144 |
| Release | : 1979 |
| Genre | : |
| ISBN | : |
| Author | : Theodore Mason Wong |
| Publisher | : |
| Total Pages | : 202 |
| Release | : 1971 |
| Genre | : |
| ISBN | : |
| Author | : Joe Don Jones |
| Publisher | : |
| Total Pages | : 156 |
| Release | : 1964 |
| Genre | : Underwater acoustics |
| ISBN | : |
| Author | : Mamadou Sanou Diallo |
| Publisher | : |
| Total Pages | : |
| Release | : 2005 |
| Genre | : |
| ISBN | : |
| Author | : Ken-Ya Hashimoto |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 352 |
| Release | : 2000-06-21 |
| Genre | : Technology & Engineering |
| ISBN | : 9783540672326 |
Surface acoustic wave (SAW) devices are widely used in mobile communications, a rapidly evolving market. This book gives an overview on the latest SAW technologies with an emphasis on the design and simulation of devices, such as resonator-based devices employing the SH-type leaky SAW.
